7Baggers

Kopin Corporation
(NASDAQ:KOPN) 

KOPN stock logo

Kopin Corporation, together with its subsidiaries, invents, develops, manufactures, and sells components, subassemblies, and head-worn and hand-held systems in the United States, the Asia-Pacific, Europe, and internationally. It offers miniature active-matrix liquid crystal displays, liquid crystal ...

Founded: 1984
Full Time Employees: 153
Sector: Technology
Industry: Electronic Components

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Quarterly
Annual
    Unit: USD2025-12-27 2025-09-27 2025-06-28 2025-03-29 2024-12-28 2024-09-28 2024-06-29 2024-03-30 2023-12-30 2023-09-30 2023-07-01 2023-04-01 2022-12-31 2022-09-24 2022-06-25 2022-03-26 2021-12-25 2021-09-25 2021-06-26 2021-03-27 2020-12-26 2020-09-26 2020-06-27 2020-03-28 2019-12-28 2019-09-28 2019-06-29 2019-03-30 2018-12-29 2018-09-29 2018-06-30 2018-03-31 2017-12-30 2017-09-30 2017-07-01 2017-04-01 2016-12-31 2016-09-24 2016-06-25 2016-03-26 2015-12-26 2015-09-26 2015-06-27 2015-03-28 2014-12-27 2014-09-27 2014-06-28 2014-03-29 2013-12-28 2013-09-28 2013-06-29 2013-03-30 2012-12-29 2012-09-29 2012-06-30 2012-03-31 2011-12-31 2011-09-24 2011-06-25 2011-03-26 2010-12-25 2010-09-25 2010-06-26 2010-03-27 2009-12-26 2009-09-26 2009-06-27 2009-03-28 2008-12-27 2008-06-28 2008-03-29 2007-12-29 2007-09-29 2007-06-30 2007-03-31 2006-12-30 2006-09-30 2006-07-01 2006-04-01 2005-12-31 2005-09-24 2005-06-25 2005-03-26 2004-12-25 2004-09-25 2004-06-26 2004-03-27 2003-12-31 2003-09-27 2003-06-28 2003-03-29 2002-12-31 2002-09-28 2001-12-31 2000-12-31 
                                                                                                   
      revenues:
                                                                                                   
      net product revenues
    5,644,788 10,922,470 11,054,030 9,025,366 12,574,857 5,506,193 6,011,393 7,654,716 6,764,868 8,254,686 9,003,658 7,654,716 8,654,525 8,254,686 9,003,658 7,568,845 8,792,756 6,487,581 6,670,303 7,568,845 9,440,784 6,487,581 4,435,401 4,613,856 6,279,569 4,955,062 4,435,401 4,613,856 6,050,608 3,643,619 4,472,079 5,044,809 10,392,860 5,589,402 4,979,400 3,933,142 3,899,311.75 5,522,584           4,509,219 4,888,791 5,608,778 5,568,023 -36,151,560 21,013,668 21,781,518 24,654,794 34,433,542 28,512,486 29,597,668 32,920,991 32,446,700 31,169,701 29,129,931 23,876,360 30,740,621 30,638,292 26,152,447 20,586,911  24,151,350 27,015,881        16,945,935    17,265,298    22,132,996         
      research and development revenues
    1,245,475 2,268,072 1,170,329 899,965 1,657,996 4,956,386 3,884,225 2,896,451 1,717,804 3,374,873 2,806,109 2,896,451    3,560,743    3,560,743         890,835.25 1,482,711 1,471,819 608,811 1,003,866 549,765 948,069 444,985 855,469 272,222 258,746 141,004 183,015 881,781 1,369,883 1,456,622 1,881,095 465,995 2,036,624 467,010 1,040,712 61,257 469,867 751,061 757,541 926,690 1,066,519 592,691 779,154 1,053,964 1,833,289 2,013,501 693,793 432,430 1,059,226 1,577,625 2,230,155 1,340,698 2,076,844 888,789  1,688,119 2,149,291 1,515,968 1,597,158 591,534 252,988 676,291 1,960,151 808,759 1,743,927 1,445,669 1,409,084 555,616 1,638,634 1,081,478  761,553 225,000 969,106 300,000 400,000  391,705 653,933   
      license and other revenues
    220,665 129,066 112,064 107,310                                                                                            
      total revenues
    8,367,931 13,319,608 12,336,423 10,032,641 14,646,495 10,598,497 10,459,856 10,758,191 8,577,633 11,729,379 11,909,032 10,758,191 12,184,357 11,729,379 11,909,032 11,676,369 13,197,320 9,512,752 8,814,646 11,676,369 6,551,500.75 9,512,752 9,110,133 5,542,925                                                                        
      yoy
    -42.87% 25.67% 17.94% -6.74% 70.75% -9.64% -12.17% 0.00% -29.60% 0.00% 0.00% -7.86% -7.68% 23.30% 35.11% 0.00% 101.44% 0.00% -3.24% 110.65%                                                                            
      qoq
    -37.18% 7.97% 22.96% -31.50% 38.19% 1.33% -2.77% 25.42% -26.87% -1.51% 10.70% -11.70% 3.88% -1.51% 1.99% -11.52% 38.73% 7.92% -24.51% 78.22% -31.13% 4.42% 64.36%                                                                         
      expenses:
                                                                                                   
      cost of product revenues
    4,733,103 8,316,904 8,685,328 8,541,574 10,620,314 5,437,953 5,697,063 6,624,101 7,193,314 7,987,154 7,906,250 6,624,101 8,882,465 7,987,154 7,906,250 6,396,671 7,465,994 4,825,032 4,779,577 6,396,671 6,145,925 4,825,032 5,242,514 5,877,077 5,092,003 4,689,944 5,242,514 5,877,077 4,611,700 3,659,800 3,497,750 4,062,191 6,738,951 4,144,884 4,117,226 3,117,357 3,464,117.25 4,573,581           3,864,598 4,622,252 6,203,960 5,964,409 -27,673,042 15,834,791 15,919,471 17,398,279 22,003,011 19,045,648 19,115,190 21,946,612 20,715,794 21,115,832 21,854,777 17,537,947 21,286,571 20,652,628 19,433,214 14,610,281  18,675,332 20,332,271 21,929,820 22,654,347 18,801,078 15,230,103 12,831,978 10,733,895 12,792,330 12,916,305 15,140,063 15,610,942 13,191,709 10,903,669 15,468,882 17,833,237 19,841,086 19,083,813 15,292,131 14,764,386 14,838,784  12,114,726 15,387,140   
      research and development
    1,641,086.25 2,596,649 1,839,663 2,100,753 1,634,266.25 3,089,935 3,132,259 2,312,217 2,133,602.75 3,441,405 5,145,375 2,312,217 3,498,848.25 3,441,405 5,145,375 3,563,300 2,763,820.5 2,715,868 2,221,154 3,563,300 1,819,192.5 2,715,868 3,330,202 4,966,716 2,671,622.75 2,389,573 3,330,202 4,966,716 3,394,268.75 4,599,266 4,526,156 4,451,653 3,553,487.5 5,253,860 4,678,221 4,281,870 3,070,655 4,123,268 4,119,401 4,039,951 3,438,148.25 4,008,391 4,884,010 4,860,192 3,763,930.75 4,832,469 5,137,033 5,086,284 3,373,063.25 5,586,745 3,657,952 4,247,556 4,129,798.25 6,399,053 4,991,145 5,128,996 4,976,349.5 6,381,089 7,139,559 6,384,749 3,479,417 4,762,893 4,858,868 4,295,907 2,623,469.75 3,556,440 3,786,041 3,151,398  3,753,104 5,033,374 2,041,443 2,994,122 2,729,275 2,435,833 2,033,122.25 2,676,931 2,541,393 2,897,460 2,148,310.25 2,488,272 2,705,638 3,399,331 2,741,269.75 3,542,350 3,502,294 3,920,435 2,274,641.75 3,294,887 2,922,503  2,769,113.5 3,664,545   
      selling, general and administration
    2,807,387.25 5,206,880 7,267,868 7,231,865 4,926,653.25 4,798,598 6,466,120 4,648,130 3,978,212 4,320,117 4,327,468 4,648,130 3,278,033.25 4,320,117 4,327,468 5,905,706 3,495,670.5 3,079,567 2,909,366 5,905,706 2,355,256 3,079,567 5,375,671 6,282,803 4,197,123.25 5,130,019 5,375,671 6,282,803 5,252,762.5 7,166,137 6,913,503 6,931,410 4,046,736.5 5,344,999 5,200,261 5,641,684 3,005,929.25 3,980,605 4,282,264 3,760,849 3,513,262.5 4,558,609 5,108,229 4,386,215 3,733,356 5,015,367 4,921,194 4,996,802 3,912,895.25 5,049,936 4,852,533 5,749,113 3,897,775.25 5,466,289 5,025,467 5,097,707 3,373,647.25 4,351,794 4,697,648 4,445,146                                    
      litigation damages
       24,800,000                                                                                            
      total expenses
    8,948,003.25 16,120,433 17,792,859 42,674,192 19,146,871 13,326,486 15,295,442 13,584,448 10,551,594 15,748,676 17,379,093 13,584,448 12,695,952.25 15,748,676 17,379,093 15,865,677 10,656,088.25 10,620,467 9,910,097 15,865,677 7,987,562.5 10,620,467 13,948,387 17,126,596                                                                        
      income from operations
    -5,017,922 -2,800,825 -5,456,436 -32,641,551 -2,210,014 -2,727,989 -4,835,586 -2,826,257 -6,787,672 -4,019,297 -5,470,061 -2,826,257 -6,223,237 -4,019,297 -5,470,061 -4,189,308 -3,619,480 -1,107,715 -1,095,451 -4,189,308 980,829 -1,107,715 -4,838,254 -11,583,671 -3,556,189 -6,401,548 -4,838,254 -11,583,671 -10,882,709 -10,298,873 -8,993,511 -9,791,634 -4,962,374 -8,604,576 -8,068,239 -8,662,784 -6,279,552 -6,882,648 -1,028,714 -6,328,703 -7,957,552 -5,923,291 -5,495,413 -5,945,149 -6,072,345 -5,519,938 -7,268,679 -9,613,765 -7,341,017 -10,308,885 -8,635,800 -9,641,994 -7,076,714 -5,759,775 -4,792,816 -2,377,497 -3,193,798 -212,081 478,560 2,157,985 3,514,520 1,837,341 -739,489 -22,403 4,400,619 4,274,303 2,452,497 -738,872  -2,343,668 -43,751 -680,353 -677,074 -4,134,576 -4,450,210 -4,666,307 -1,725,576 -347,429 -691,340 2,572,891 4,618,077 1,232,249 819,440 -7,387,165 -1,384,032 -2,523,288 -3,662,573 -956,544 -3,039,354 -1,024,907  -2,530,487 269,911   
      yoy
    127.05% 2.67% 12.84% 1054.94% -67.44% -32.13% -11.60% 0.00% 9.07% 0.00% 0.00% -32.54% 71.94% 262.85% 399.34% 0.00% -469.02% 0.00% -77.36% -63.83% -127.58% -82.70% 0.00% 0.00% -67.32% -37.84% -46.20% 18.30% 119.30% 19.69% 11.47% 13.03% -20.98% 25.02% 684.30% 36.88% -21.09% 16.20% -81.28% 6.45% 31.05% 7.31% -24.40% -38.16% -17.28% -46.45% -15.83% -0.29% 3.73% 78.98% 80.18% 305.55% 121.58% 2615.84% -1101.51% -210.17% -190.87% -111.54% -164.71% -9732.57% -20.14% -57.01% -130.15% -96.97%  -282.38% -5705.58% 8.60%  -43.32% -99.02% -85.42% -60.76% 1090.05% 543.71% -281.36% -137.37% -128.19% -184.37% -134.83% -433.67% -148.84% -122.37% 672.28% -54.46% 146.20%  -62.20% -1226.06%       
      qoq
    79.16% -48.67% -83.28% 1376.98% -18.99% -43.59% 71.10% -58.36% 68.88% -26.52% 93.54% -54.59% 54.83% -26.52% 30.57% 15.74% 226.75% 1.12% -73.85% -527.12% -188.55% -77.11% -58.23% 225.73% -44.45% 32.31% -58.23% 6.44% 5.67% 14.51% -8.15% 97.32% -42.33% 6.65% -6.86% 37.95% -8.76% 569.05% -83.75% -20.47% 34.34% 7.79% -7.56% -2.09% 10.01% -24.06% -24.39% 30.96% -28.79% 19.37% -10.44% 36.25% 22.86% 20.18% 101.59% -25.56% 1405.93% -144.32% -77.82% -38.60% 91.28% -348.46% 3200.85% -100.51% 2.96% 74.28% -431.92%   5256.83% -93.57% 0.48% -83.62% -7.09% -4.63% 170.42% 396.67% -49.75% -126.87% -44.29% 274.77% 50.38% -111.09% 433.74% -45.15% -31.11% 282.90% -68.53% 196.55%   -1037.53%    
      operating margin %
    -59.97% -21.03% -44.23% -325.35% -15.09% -25.74% -46.23% -26.27% -79.13% -34.27% -45.93% -26.27% -51.08% -34.27% -45.93% -35.88% -27.43% -11.64% -12.43% -35.88% 14.97% -11.64% -53.11% -208.98% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% NaN% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% NaN% -Infinity% Infinity%   
      other income
    -82,546 6,176 18,867 -43 -5,011 31,608 35,765 37,030 140,831 -3,225 -3,586 37,030        -1,150    -109,735 556,438 -109,614 -111,472 -109,735 -505,716 241,466 18,101 1,101,255 31,408 -109,546 65,018 534,411 -32,823 -257,384 3,718 37,907 40,108 42,137 25,758 19,510 94 10,862 200,754 59,828 12,767.25 33,164 195,073 -177,168   88,463 52,780    -33,557 30,571.5 4,008 38,346 79,932      92,054 818 8,664 31,574 26,748 18,331 148,684 287,773 26,782  52,638 17,741 2,962 2,364             
      interest income
    70,103 220,017 226,677 172,840 197,646 299,506 222,700 101,765 205,631 21,663 12,552 101,765 35,682 21,663 12,552 8,744 8,898 12,751 34,030 8,744 12,455 12,751 154,310 163,361 105,443 120,645 154,310 163,361 153,820 160,875 165,513 159,851 164,094 191,613 186,142 233,777 126,199 191,472 175,765 164,948 173,789 175,803 198,898 209,664 296,969 237,957 193,305 238,172 196,269 326,684 285,227 310,437 297,316 300,690 294,782 233,555 318,352 357,581 365,611 263,692 943,972 392,052 426,701 429,609 414,607 501,269 643,257 621,545  774,642 985,115 1,036,791 1,099,818 1,148,078 1,165,936 1,205,914 1,211,360 1,194,943 1,179,029 1,063,699 931,121 823,437 777,249             
      loss on impairment of investments
    -118,152.5 -903,609 -734,286  -409,473.75  -3,327,347                                                                                         
      foreign currency transaction gains
    311,691 142,899 23,180 -79,461 89,291 -14,438 -236,911 97,907    97,907 -95,992 -112,315 -150,094 28,991 38,417 183,795 9,995 28,991 272,873 183,795 -183,608 236,135   -183,608 236,135 -63,653.75 -227,447 -235,776 208,608 -657,686 224,370 556,539  909,235 -1,124,526 27,503  -565,356 623,999 529,138 -179,589 338,204 246,227 -674,456 181,751   371,215 220,708 -376,254 -525,674 67,684                   -115,479 96,679 -156,091.75 -143,442 -143,357  -8,009.5 130,458 7,678              
      total other income
    198,162.75 -534,517 -465,562 93,336 -226,685.75 316,676  236,702 -688,103.75 -2,093,877 -141,128 236,702 626,487.25 -2,093,877 -141,128 36,585    36,585                                                                            
      income before provision for income taxes
    6,858,111 -3,335,342 -5,921,998 -32,548,215 -10,451,388.75 -2,411,313 -8,141,379 -2,589,555                                                                                        
      tax provision
    -39,000 -125,000   -45,000 -39,000 -39,000 -39,000 -39,000 -36,000 -36,000 -39,000 -36,000 -36,000 -36,000 -33,000 -32,000 -29,000 -42,000 -33,000 -29,000 -29,000 -26,000 -26,000               -1,963,000 -141,000             -333,875 -470,500 -549,000 -468,000 -73,250 -97,500 -97,500  21,000 -180,000 -180,000  107,800 -162,000 -367,000 -269,000  -208,000 -211,000            -32,240             
      net income
    6,806,111 -3,460,342 -5,921,998 -32,548,215 -1,947,341 -2,450,313 -8,180,379 -2,628,555 -6,488,972 -6,149,174 -5,647,189 -2,628,555 -6,157,238 -6,149,174 -5,647,189 -4,185,723 -3,305,082 -968,769 -1,143,183 -4,185,723 1,238,018 -968,769 -4,237,024 -11,319,910 -7,311,924 -6,505,364 -4,237,024 -11,319,910 -11,291,819 -9,807,979 -9,246,673 -5,472,104 -1,877,058 -8,302,639 -7,260,540 -7,939,879 -5,154,545 -8,187,086 -2,784,728 -6,818,788 -7,074,614 -4,661,650 706,280 -3,813,086 -5,445,646 -5,103,908 -9,027,916 -9,093,319 -9,843,875 -9,015,198 -8,111,338 21,364,390 -4,333,496 -7,066,286 -5,124,794 -2,057,631 406,734 1,050,768 757,952 2,044,180 4,623,224 1,271,788 2,087,413 973,373 5,271,350 8,418,106 3,480,997 2,099,700  -1,674,253 950,235 281,508 -387,168 -3,151,609 -3,298,825 -2,882,009 -884,036 1,875,563 78,080 3,241,328 5,385,404 1,873,307 1,171,190 -6,993,566 -1,120,543 -2,336,000 -3,381,908 -614,268 -3,026,243 -1,000,700  -15,113,568 591,534   
      yoy
    -449.51% 41.22% -27.61% 1138.26% -69.99% -60.15% 44.86% 0.00% 5.39% 0.00% 0.00% -37.20% 86.30% 534.74% 393.99% 0.00% -366.97% 0.00% -73.02% -63.02% -116.93% -85.11% 0.00% 0.00% -35.25% -33.67% -54.18% 106.87% 501.57% 18.13% 27.36% -31.08% -63.58% 1.41% 160.73% 16.44% -27.14% 75.63% -494.28% 78.83% 29.91% -8.67% -107.82% -58.07% -44.68% -43.39% 11.30% -142.56% 127.16% 27.58% 58.28% -1138.30% -1165.44% -772.49% -776.14% -200.66% -91.20% -17.38% -63.69% 110.01% -12.30% -84.89% -40.03% -53.64%  -602.80% 266.33% 645.88%  -46.88% -128.81% -109.77% -56.20% -268.04% -4324.93% -188.91% -116.42% 0.12% -93.33% -146.35% -580.61% -180.19% -134.63% 1038.52% -62.97% 133.44%  -95.94% -611.59%       
      qoq
    -296.69% -41.57% -81.81% 1571.42% -20.53% -70.05% 211.21% -59.49% 5.53% 8.89% 114.84% -57.31% 0.13% 8.89% 34.92% 26.65% 241.16% -15.26% -72.69% -438.10% -227.79% -77.14% -62.57% 54.81% 12.40% 53.54% -62.57% 0.25% 15.13% 6.07% 68.98% 191.53% -77.39% 14.35% -8.56% 54.04% -37.04% 194.00% -59.16% -3.62% 51.76% -760.03% -118.52% -29.98% 6.70% -43.47% -0.72% -7.62% 9.19% 11.14% -137.97% -593.01% -38.67% 37.88% 149.06% -605.89% -61.29% 38.63% -62.92% -55.78% 263.52% -39.07% 114.45% -81.53% -37.38% 141.83% 65.79%   -276.19% 237.55% -172.71% -87.72% -4.46% 14.46% 226.01% -147.13% 2302.10% -97.59% -39.81% 187.48% 59.95% -116.75% 524.12% -52.03% -30.93% 450.56% -79.70% 202.41%   -2654.98%    
      net income margin %
    81.34% -25.98% -48.00% -324.42% -13.30% -23.12% -78.21% -24.43% -75.65% -52.43% -47.42% -24.43% -50.53% -52.43% -47.42% -35.85% -25.04% -10.18% -12.97% -35.85% 18.90% -10.18% -46.51% -204.22% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% NaN% -Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% NaN% -Infinity% Infinity%   
      net income per share
                                                -0.08 -0.08 -0.14 -0.15 -0.16 -0.14 -0.13 0.34                                            
      basic
    0.04 -0.03                                  -0.12 -0.08 -0.13 -0.05 -0.11 -0.03 -0.07 0.01 -0.06         -0.058 -0.11 -0.08 -0.03  0.01 0.01 0.03 0.08 0.02 0.03 0.02 0.08 0.13 0.06 0.03  -0.02 0.01            0.02    -0.05     -0.22 0.01   
      diluted
    0.04 -0.03                                  -0.12 -0.08 -0.13 -0.05 -0.11 -0.03 -0.07 0.01 -0.06         -0.058 -0.11 -0.08 -0.03  0.01 0.01 0.03 0.07 0.02 0.03 0.02 0.08 0.13 0.05 0.03  -0.02 0.01            0.02    -0.05     -0.22 0.01   
      weighted-average number of common shares outstanding
                                                                                                   
      basic
    171,254,421 124,318,056                                  64,538,686 64,045,675 64,047,852 64,011,571 63,978,048 63,465,797 63,068,321 63,066,031 63,083,652 62,638,675 62,646,757 62,643,506 62,530,202 62,347,852 63,542,348 62,492,352 63,935,508 63,617,680 63,415,345 63,078,510 64,225,456 64,405,776 64,292,212 64,528,623 64,736,842 66,019,847 66,114,557 66,625,637 66,587,941 66,849,890 66,214,047 66,704,092 68,152,946 67,876,385 67,731,514 67,741,957 67,543,957 67,547,233 67,526,233 67,467,996 68,064,262 67,798,463 68,268,009 68,783,066 69,333,508 68,917,786 69,520,488 70,038,749 70,051,520 70,048,767 70,065,958 70,060,233 69,540,201 69,549,645 69,407,418  69,318 70,014,745   
      diluted
    175,149,755 124,318,056                                  64,538,686 64,045,675 64,047,852 64,011,571 63,978,048 63,465,797 63,068,321 63,300,781 63,083,652 62,638,675 62,646,757 62,643,506 62,530,202 62,347,852 63,542,348 62,492,352 63,935,508 63,617,680 63,415,345 63,078,510 64,225,456 65,234,212 65,441,378 65,774,967 65,655,074 66,711,501 66,778,781 67,357,297 67,310,636 67,457,751 67,028,547 67,549,673 68,524,533 68,163,759 67,731,514 67,746,937 67,543,957 67,547,233 67,526,233 67,467,996 68,064,262 67,798,463 68,565,497 69,165,103 70,222,597 70,460,669 69,722,261 70,244,593 70,051,520 70,048,767 70,065,958 70,060,233 69,540,201 69,549,645 69,407,418  69,318 70,014,745   
      net income per share
                                                -0.08 -0.08 -0.14 -0.15 -0.16 -0.14 -0.13 0.34                                            
      basic and diluted
      -0.05 -0.27 0.01 -0.02 -0.07 -0.03 -0.06 -0.07 -0.06 -0.03 -0.07 -0.07 -0.06 -0.05 -0.04 -0.01 -0.01 -0.05 0.02 -0.01 -0.05 -0.15 -0.09 -0.08 -0.05 -0.15 -0.15 -0.13 -0.13 -0.08 -0.02 -0.11 -0.1                                                             
      weighted-average number of common shares outstanding
                                                                                                   
      basic and diluted
      121,400,739 120,114,985 132,875,913 110,360,814 109,911,244 105,036,382 108,976,245 93,516,231 90,300,999 105,036,382 91,429,106 93,516,231 90,300,999 87,378,288 88,903,658 82,596,416 82,569,379 87,378,288 82,347,741 82,596,416 81,950,352 74,968,981 80,282,126 82,053,698 81,950,352 74,968,981 73,156,545 73,135,253 73,095,253 73,078,344 69,914,956 72,187,688 70,626,542                                                             
      other income:
                                                                                                   
      other revenues
        87,110 135,918 564,238 207,024 226,795 99,820 99,265 207,024    546,781    546,781                                                                            
      total other expense
          -3,305,793                                                                                         
      gain on investments
            -831,836.75 -2,000,000    -2,000,000         768,000  -4,626,453  768,000     2,849,816 1,726,000                                                               
      foreign currency transaction losses
            -38,360.5 -112,315 -150,094              -9,080 -88,847              -551,940         -45,280 -773,044      -198,344                -18,066.25 -53,464                       
      loss before provision for income taxes and net loss attributable to noncontrolling interest
            -3,285,561.75 -6,113,174 -5,611,189 -2,589,555 -3,265,256.75 -6,113,174 -5,611,189 -4,152,723 -2,516,572.25 -939,769 -1,101,183 -4,152,723 -1,417,235.75 -939,769 -4,211,024 -11,293,910   -4,211,024                                                                     
      net loss attributable to the noncontrolling interest
              257  68  257 39,485 -3,896 11,329 21,642 39,485 25,370 11,329 -23,367 -11,017         74,410 55,217 -71,431 81,438 -35,331 69,782 -344,374  113,557 -13,690 74,690  143,401 134,468 221,973 -41,097 184,040 243,747 201,492 269,419 472,042 344,274 -72,738 -151,582 -473,393 -253,713 43,872 21,527 52,447 88,924 -226,636 63,618 56,725 100,779 199,842                             
      net loss attributable to kopin corporation
            -6,488,972 -6,149,174 -5,646,932 -2,628,555 -6,157,170 -6,149,174 -5,646,932 -4,146,238 -3,308,978 -957,440 -1,121,541 -4,146,238 1,263,388 -957,440 -4,260,391 -11,330,927 -7,289,476 -6,625,458 -4,260,391 -11,330,927 -11,301,007 -9,791,383 -9,240,957 -5,536,278                                                                
      research and development and other revenues
                2,862,740.25 3,474,693 2,905,374  2,844,820.5 3,025,171 2,144,343  4,480,882 3,025,171 4,674,732 929,069 2,446,850 1,184,270 4,674,732 929,069                                                                    
      other expense
                -1,988 -3,225 -3,586 -1,150 -8,393.5 -28,600 -49,757  -16,420 -28,600 -111,472                                                                         
      total other income and expense
                    22,316.75 167,946 -5,732  18,826 167,946 627,230 289,761                                                                        
      impairment of goodwill
                             331,344                           426,192.5  1,704,770                                         
      revenues: - sum
                            5,198,097.5 6,139,332 9,110,133 5,542,925 4,180,962 5,126,330     5,927,469 4,378,127 6,373,347 5,794,806  6,119,138 6,860,631 8,000,926 10,856,606 8,584,991       6,078,645 6,319,084 -35,394,019 21,940,358 22,848,037 25,247,485 35,212,696 29,566,450 31,430,957 34,934,492 33,140,493 31,602,131 30,189,157 25,453,985 32,970,776 31,978,990 28,229,291 21,475,700  25,839,469 29,165,172 28,929,096 29,220,507 21,870,028 18,129,481 17,832,114 15,704,192 18,926,438 18,689,862 24,938,896 25,415,891 21,037,578 18,903,932 18,453,367 22,911,095 23,558,991 22,357,996 21,121,282 17,513,912 19,868,288  15,076,172 21,886,820   
      expenses: - sum
                            10,903,965.75 12,540,880 13,948,387 17,126,596 11,451,966.5 15,425,203     13,995,708 13,040,911 12,652,899 12,677,454  12,447,841 11,201,593 13,924,217 16,352,019 14,530,140       14,714,445 15,961,078 -28,317,305 27,700,133 27,640,853 27,624,982 38,406,494 29,778,531 30,952,397 32,776,507 29,625,973 29,764,790 30,928,646 25,476,388 28,570,157 27,704,687 25,776,794 22,214,572  28,183,137 29,208,923 29,609,449 29,897,581 26,004,604 22,579,691 22,498,421 17,429,768 19,273,867 19,381,202 22,366,005 20,797,814 19,805,329 18,084,492 25,840,532 24,295,127 26,082,279 26,020,569 22,077,826 20,553,266 20,893,195  19,026,799 21,616,909   
      other income: - sum
                            209,793.75 -77,816 627,230 289,761 1,110,565.5 174,894     807,699                                                             
      loss before tax benefit and net loss attributable to noncontrolling interest
                            -5,496,074.5 -6,479,364                                                                      
      tax benefit
                            -30,000 -26,000   -145,000 316,000 -201,000  1,821,500 -4,500  1,146,000 -912,000 -114,000   -12,500 62,500 -12,500 -12,500 118,000 -44,000 -37,000 143,000 54,209 33,000 -194,000 13,040,000        -98,000    87,000                                
      net loss attributable to noncontrolling interest
                            -38,619.5 -120,094 -23,367  -10,465.5 16,596 5,716 -64,174                                                                
      provision for income taxes
                              -26,000 -26,000                                            -127,176.75 -418,349         75,988              
      loss before provision for income taxes and net income attributable to noncontrolling interest
                               -11,293,910                                                                    
      net income attributable to noncontrolling interest
                               -11,017                                                                    
      loss before benefit for income taxes and net loss attributable to noncontrolling interest
                                -6,160,439 -10,123,979 -9,045,673 -5,472,104 -6,161,139.25 -8,298,139 -7,260,540 -9,085,879                                                            
      gain on sale of property and plant
                                        -1,925,130.5  -7,700,522                                                         
      net loss attributable to the controlling interest
                                    -1,802,648 -8,247,422 -7,331,971 -7,858,441 -5,189,876 -8,117,304  -6,917,461 -6,961,057 -4,675,340  -3,837,992                                                    
      other income and expense:
                                                                                                   
      foreign currency transaction
                                       -1,191,283                                                            
      other income and expense: - sum
                                       -423,095 2,037,007 -1,190,438  -349,085 2,401,334.5 1,199,141 6,214,193 2,192,006       851,515 -2,131,416 -195,223 -633,733 450,929 944,161 -140,851 1,409,945 420,491 94,834 1,318,354 -198,490 3,096,760 1,001,504 761,640 3,533,379 1,537,516 3,256,214  1,227,382 1,382,565                         
      gain on sale of investments
                                            1,990,005.5 357,202 5,460,399 2,142,421     474,822.75 1,899,291   214,042.5   856,170 92,160.25  368,641  649,376.25  1,911,255 686,250                                
      loss before benefit for income taxes, equity loss in unconsolidated affiliate and net loss attributable to noncontrolling interest
                                        -3,914,650 -8,073,086   -1,939,627.5 -4,724,150   -5,756,817.25 -5,024,892 -8,868,363 -9,134,014    -11,773,410                                            
      loss before equity loss in unconsolidated affiliate and net loss attributable to noncontrolling interest
                                        -4,469,150 -8,187,086   -1,930,252.5 -4,661,650   -5,741,317.25 -5,068,892 -8,905,363                                                 
      equity loss in unconsolidated affiliate
                                            -11,860.75   -47,443 -64,968.5 -35,016 -122,553 -102,305    -99,088    -156,295 -50,958.5 -49,596 -43,599 -110,639   -89,858    -142,016 -148,642  -142,040 -23,861 -74,499 -113,637  -45,608 -118,960.75 -97,740                   
      weighted-average number of common shares outstanding:
                                                                                                   
      basic
    171,254,421 124,318,056                                  64,538,686 64,045,675 64,047,852 64,011,571 63,978,048 63,465,797 63,068,321 63,066,031 63,083,652 62,638,675 62,646,757 62,643,506 62,530,202 62,347,852 63,542,348 62,492,352 63,935,508 63,617,680 63,415,345 63,078,510 64,225,456 64,405,776 64,292,212 64,528,623 64,736,842 66,019,847 66,114,557 66,625,637 66,587,941 66,849,890 66,214,047 66,704,092 68,152,946 67,876,385 67,731,514 67,741,957 67,543,957 67,547,233 67,526,233 67,467,996 68,064,262 67,798,463 68,268,009 68,783,066 69,333,508 68,917,786 69,520,488 70,038,749 70,051,520 70,048,767 70,065,958 70,060,233 69,540,201 69,549,645 69,407,418  69,318 70,014,745   
      diluted
    175,149,755 124,318,056                                  64,538,686 64,045,675 64,047,852 64,011,571 63,978,048 63,465,797 63,068,321 63,300,781 63,083,652 62,638,675 62,646,757 62,643,506 62,530,202 62,347,852 63,542,348 62,492,352 63,935,508 63,617,680 63,415,345 63,078,510 64,225,456 65,234,212 65,441,378 65,774,967 65,655,074 66,711,501 66,778,781 67,357,297 67,310,636 67,457,751 67,028,547 67,549,673 68,524,533 68,163,759 67,731,514 67,746,937 67,543,957 67,547,233 67,526,233 67,467,996 68,064,262 67,798,463 68,565,497 69,165,103 70,222,597 70,460,669 69,722,261 70,244,593 70,051,520 70,048,767 70,065,958 70,060,233 69,540,201 69,549,645 69,407,418  69,318 70,014,745   
      net component revenues
                                          4,096,529 5,978,134 4,428,880 7,119,145 9,486,723 7,128,369 8,756,290 9,066,028 4,906,663 4,227,760                                                
      cost of component revenues
                                          4,682,846 4,647,041 4,609,097 5,357,217 6,359,780 5,283,733 6,054,836 5,204,125 4,153,739 4,225,449                                                
      income before provision for income taxes, equity loss in unconsolidated affiliate and net loss attributable to noncontrolling interest
                                          -821,728                                                         
      income before equity loss in unconsolidated affiliate and net loss attributable to noncontrolling interest
                                          -2,784,728    706,280     -8,991,014    1,266,590                                            
      net income attributable to the controlling interest
                                          -3,129,102    780,970  -5,727,449.75 -4,969,440 -8,805,943 -9,134,416 -9,659,835 -8,771,451 -7,909,846 21,633,809 -3,861,454 -6,722,012 -5,197,532 -2,209,213 -66,659 797,055 801,824 2,065,707 4,675,671 1,360,712 1,860,777 1,036,991 5,328,075 8,518,885 3,680,839 1,915,571                            
      loss before provision for income taxes, equity loss in unconsolidated affiliate and net income attributable to noncontrolling interest
                                           -6,677,788                                                        
      loss before equity loss in unconsolidated affiliate and net income attributable to noncontrolling interest
                                           -6,818,788    -3,765,643                                                    
      net income attributable to the noncontrolling interest
                                           -98,673    -24,906                        -184,129                            
      impairment of equity and cost investments
                                                  -1,319,287                                                 
      income before benefit for income taxes, equity loss in unconsolidated affiliate and net loss attributable to noncontrolling interest
                                              718,780                                                     
      loss before benefit for income taxes, equity loss in unconsolidated affiliate and net income attributable to noncontrolling interest
                                               -3,753,143                                                    
      loss from continuing operations
                                                -5,445,646 -5,103,908 -9,027,916  -9,843,875 -9,015,198 -8,061,982                                             
      income from discontinued operations, net of tax
                                                      -49,356 20,196,888                                            
      net income per share
                                                -0.08 -0.08 -0.14 -0.15 -0.16 -0.14 -0.13 0.34                                            
      basic:
                                                                                                   
      continuing operations
                                                -0.08 -0.08 -0.14 -0.15 -0.16 -0.14 -0.13 0.02                                            
      discontinued operations
                                                       0.32                                            
      diluted:
                                                                                                   
      weighted-average number of common shares
                                                                                                   
      basic
    171,254,421 124,318,056                                  64,538,686 64,045,675 64,047,852 64,011,571 63,978,048 63,465,797 63,068,321 63,066,031 63,083,652 62,638,675 62,646,757 62,643,506 62,530,202 62,347,852 63,542,348 62,492,352 63,935,508 63,617,680 63,415,345 63,078,510 64,225,456 64,405,776 64,292,212 64,528,623 64,736,842 66,019,847 66,114,557 66,625,637 66,587,941 66,849,890 66,214,047 66,704,092 68,152,946 67,876,385 67,731,514 67,741,957 67,543,957 67,547,233 67,526,233 67,467,996 68,064,262 67,798,463 68,268,009 68,783,066 69,333,508 68,917,786 69,520,488 70,038,749 70,051,520 70,048,767 70,065,958 70,060,233 69,540,201 69,549,645 69,407,418  69,318 70,014,745   
      diluted
    175,149,755 124,318,056                                  64,538,686 64,045,675 64,047,852 64,011,571 63,978,048 63,465,797 63,068,321 63,300,781 63,083,652 62,638,675 62,646,757 62,643,506 62,530,202 62,347,852 63,542,348 62,492,352 63,935,508 63,617,680 63,415,345 63,078,510 64,225,456 65,234,212 65,441,378 65,774,967 65,655,074 66,711,501 66,778,781 67,357,297 67,310,636 67,457,751 67,028,547 67,549,673 68,524,533 68,163,759 67,731,514 67,746,937 67,543,957 67,547,233 67,526,233 67,467,996 68,064,262 67,798,463 68,565,497 69,165,103 70,222,597 70,460,669 69,722,261 70,244,593 70,051,520 70,048,767 70,065,958 70,060,233 69,540,201 69,549,645 69,407,418  69,318 70,014,745   
      impairment of cost based investment
                                                    -621,348.25   -2,485,393                                            
      income from continuing operations
                                                   -9,093,319    1,167,502                                            
      impairment of intangible assets and goodwill
                                                                                                   
      loss on investment in ikanos
                                                         -557,594                                          
      loss before benefit for income taxes, equity losses in unconsolidated affiliates and net loss attributable to noncontrolling interest
                                                    -7,095,119.75 -8,822,790 -7,784,285                                             
      loss before equity losses in unconsolidated affiliates and net loss attributable to noncontrolling interest
                                                    -3,875,369.75 -8,789,790 -7,978,285                                             
      equity losses in unconsolidated affiliates
                                                    -216,904 -225,408 -83,697  -148,120 -202,278 -233,907                                         
      other income net
                                                        72,528.5 148,845                                          
      impairment of marketable debt securities
                                                            -37,661 -150,644                                      
      gain on sale of patents
                                                            38,914.5   155,658 39,949.25   159,797 92,085 2,119,064 1,515,051 2,597,734                            
      income before provision for income taxes, equity losses in unconsolidated affiliates and net loss attributable to noncontrolling interest
                                                        -3,183,199 -6,393,508 -4,341,887                                         
      income before equity losses in unconsolidated affiliates and net income of noncontrolling interest
                                                        -3,517,074 -6,864,008                                          
      income before equity loss in unconsolidated affiliate and net loss of noncontrolling interest
                                                          -4,890,887 -1,901,336 1,014,183.25 1,100,364 801,551 2,154,819   2,177,271    3,623,013                             
      loss before provision for income taxes, equity loss in unconsolidated affiliate and net loss of noncontrolling interest
                                                           -1,433,336                                        
      other income and (expense)
                                                            47,553 190,453 33,316                                     
      foreign currency gains
                                                            93,629.75 1,012,555 -347,077    720,458 -354,084 -189,265 -889,643 -731,449 864,032  369,728 405,732                         
      income before provision for income taxes, equity loss in unconsolidated affiliate and net loss of noncontrolling interest
                                                            1,087,433.25 1,197,864 899,051    2,357,271    3,990,013                             
      foreign currency losses
                                                               -290,959 -57,044 -594,550                 -337,568                 
      income before benefit for income taxes, equity loss in unconsolidated affiliate and net loss of noncontrolling interest
                                                               2,252,819                                    
      selling, general, and administration
                                                                2,935,900 3,886,065 4,215,001 3,642,534 3,630,431 3,495,619 2,557,539 4,452,893  5,054,701 3,843,278        3,567,437    3,263,590             
      gain on remeasurement of investment in ktc
                                                                     599,328                              
      gain on loans to ktc
                                                                     1,187,937                              
      other-than-temporary impairment on marketable debt securities
                                                                    -231,657.5                               
      income before provision for income taxes, equity earnings in unconsolidated affiliates and net loss of noncontrolling interest
                                                                1,243,805.75 1,638,851   3,578,759.25 7,807,682                              
      income before equity earnings in unconsolidated affiliates and net loss of noncontrolling interest
                                                                4,853,874 1,458,851   5,270,059 7,645,682                              
      equity earnings in unconsolidated affiliates
                                                                -230,650 -187,063   1,291 772,424                              
      income before provision for income taxes, equity losses in unconsolidated affiliate and net loss of noncontrolling interest
                                                                   979,101                                
      income before equity losses in unconsolidated affiliate and net loss of noncontrolling interest
                                                                   1,066,101                                
      equity losses in unconsolidated affiliate
                                                                   -92,728                                
      other income and
                                                                    56,403.5 15,424                              
      impairment of investment in kenet
                                                                                                   
      other income and expense
                                                                      110,657 99,533                            
      impairment on kenet
                                                                                                   
      other-than temporary impairment on marketable debt securities
                                                                       -926,630                            
      income before provision for income taxes, net income of noncontrolling interest and equity loss in unconsolidated affiliate
                                                                       2,517,342                            
      income before net income and equity loss in unconsolidated affiliate
                                                                       2,248,342                            
      impairment charge
                                                                         700,000                          
      interest and other expense
                                                                         -9,042 -9,100 -15,489 -8,837 -8,489 -35,192 -11,601 -10,155 -23,780 -11,128 -16,654 -70,053 -2,973 -31,994 987,137 -258,613 -300,012 -498,084 -336,314 -711,992 -389,031  -154,032 -121,668   
      income before income taxes, minority interest in loss of subsidiary and equity loss in unconsolidated affiliate
                                                                         -1,116,286  -1,474,040.5 392,016 -3,083,718 -3,204,456                     
      loss before minority interest in loss of and equity loss in unconsolidated affiliate
                                                                         -1,324,286                          
      minority interest in loss of subsidiary
                                                                         -207,927  -79,672 -247,199 18,121 -3,582 -87,936 144,817  168,810                 
      income before income taxes, minority interest in income of subsidiary and equity loss in unconsolidated affiliate
                                                                          1,338,814                         
      income before minority interest in income of subsidiary and equity loss in unconsolidated affiliate
                                                                          1,127,814                         
      minority interest in income of subsidiary
                                                                          -153,718       80,852  -9,269 -267,687 -114,058 -43,947 325,143 -124,109 -202,366 -104,678 -214,934 -166,588 -217,916  -202,844 -346,539   
      product revenues
                                                                           16,694,584.25 27,623,349 21,278,494 17,876,493 12,186,601.25 13,744,041 18,117,679  15,438,516.75 24,006,807 20,481,962  16,960,382.25 22,911,095 22,797,438  13,682,736.5 17,213,912 19,468,288  16,104,607 21,232,887   
      selling, general, and administrative
                                                                           3,405,325.75 4,249,112 4,474,251 4,913,755                     
      gain on sale of micrel common stock
                                                                               302,000  1,208,000                  
      income before minority interest in loss of subsidiary and equity loss in unconsolidated affiliate
                                                                           -1,601,217.25 -26,333 -3,128,897                      
      income per share:
                                                                                                   
      basic
                                                                           -0.025 -0.01 -0.05  0.003 -0.01 0.03  0.03 0.08 0.03      -0.023 -0.04       
      diluted
                                                                           -0.025 -0.01 -0.05  0.003 -0.01 0.03  0.03 0.08 0.03      -0.023 -0.04       
      benefit for income taxes
                                                                             -45,179 -45,179 -130,785.25 -551,073 -14,068  -15,991.5 44,262               
      equity loss in unconsolidated affiliates
                                                                             -40,833    -106,380 -271,723 -42,005.75 -18,515  -149,508             
      income before minority interest in (income) of subsidiary and equity loss in unconsolidated affiliate
                                                                              -3,249,635                     
      loss per share:
                                                                                                   
      basic
                                                                              -0.05         -0.025 -0.02 -0.03    -0.01      
      diluted
                                                                              -0.05         -0.025 -0.02 -0.03    -0.01      
      selling, general and administrative
                                                                               2,941,845.25 4,018,942 3,940,144  2,467,542.75 2,698,600 3,907,982  2,108,690 2,679,540 2,738,899 3,016,321 2,001,188.75 2,373,777 3,011,692  1,741,877 2,509,724   
      asset impairment
                                                                                   129,475.5                
      income before income taxes; minority interest in loss of subsidiary and equity loss in unconsolidated affiliate
                                                                               334,260 -380,040                   
      income before minority interest in loss subsidiary and equity loss in unconsolidated affiliate
                                                                               203,474.75 -931,113                   
      income before minority interest in income of subsidiary, income taxes and equity losses in unconsolidated affiliates
                                                                                 1,915,159 138,993 2,271,895.75 5,627,344 2,063,353 1,396,885             
      income before income taxes and equity losses in unconsolidated affiliates
                                                                                 1,996,011 307,803 2,165,472.5 5,359,657 1,949,295 1,352,938             
      income before equity losses in unconsolidated affiliates
                                                                                 1,981,943 349,803 2,149,481 5,403,919 1,873,307 1,320,698             
      impairment
                                                                                      517,902             
      income tax benefit
                                                                                  42,000                 
      other
                                                                                        240,000   120,216 120,216 120,216  55,650 55,500   
      foreign currency transaction loss
                                                                                      -170,174             
      interest and other income
                                                                                       554,826 646,211 689,666 883,427 893,524 891,691 631,154  467,687 789,830   
      loss before minority interest in income of subsidiary
                                                                                       -1,601,824.5 -996,434 -2,133,634 -3,277,230   -782,784      
      income before minority interest in income of subsidiary
                                                                                           -1,401,483.5 -2,859,655   -844,973.25 938,073   
      income before cumulative effect of accounting change
                                                                                           -1,565,997.5 -3,026,243   -15,113,951 591,534   
      cumulative effect of accounting change
                                                                                               383    
      income before cumulative effect of accounting change per share:
                                                                                                   
      basic
                                                                                           -0.023 -0.04   -0.22 0.01   
      diluted
                                                                                           -0.023 -0.04   -0.22 0.01   
      cumulative effect of accounting change per share:
                                                                                                   
      basic
                                                                                                   
      diluted
                                                                                                   
      loss before cumulative effect of accounting change
                                                                                             -1,000,700      
      loss before cumulative effect of accounting change per share:
                                                                                                   
      basic
                                                                                             -0.01      
      diluted
                                                                                             -0.01      
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-27 2025-09-27 2025-06-28 2025-03-29 2024-12-28 2024-09-28 2024-06-29 2024-03-30 2023-12-30 2023-09-30 2023-07-01 2023-04-01 2022-12-31 2022-09-24 2022-06-25 2022-03-26 2021-12-25 2021-09-25 2021-06-26 2021-03-27 2020-12-26 2020-09-26 2020-06-27 2020-03-28 2019-12-28 2019-09-28 2019-06-29 2019-03-30 2018-12-29 2018-09-29 2018-06-30 2018-03-31 2017-12-30 2017-09-30 2017-07-01 2017-04-01 2016-12-31 2016-09-24 2016-06-25 2016-03-26 2015-12-26 2015-09-26 2015-06-27 2015-03-28 2014-12-27 2014-09-27 2014-06-28 2014-03-29 2013-12-28 2013-09-28 2013-06-29 2013-03-30 2012-12-29 2012-09-29 2012-06-30 2012-03-31 2011-12-31 2011-09-24 2011-06-25 2011-03-26 2010-12-25 2010-09-25 2010-06-26 2010-03-27 2009-12-26 2009-09-26 2009-06-27 2009-03-28 2008-12-27 2008-09-27 2008-06-28 2008-03-29 2007-12-29 2007-09-29 2007-06-30 2007-03-31 2006-12-30 2006-09-30 2006-07-01 2006-04-01 2005-12-31 2005-09-24 2005-06-25 2005-03-26 2004-12-25 2004-09-25 2004-06-26 2004-03-27 2003-12-31 2003-09-27 2003-06-28 2003-03-29 2002-12-31 2002-09-28 2001-12-31 
                                                                                                     
        assets
                                                                                                     
        current assets:
                                                                                                     
        cash and cash equivalents
      36,350,083 26,508,140 24,369,310 15,331,914 14,160,120 14,530,593 10,042,847 14,118,762 5,710,685 9,599,675 10,106,668 8,583,146 8,258,878  13,630,219 21,867,492 26,787,931    17,112,869    6,029,247 8,757,699 12,134,526 16,583,525 14,326,347 19,367,048 22,742,575 24,167,900 24,848,227                                                               
        restricted cash and cash equivalents
      25,277,063                                                                                               
        marketable securities, at fair value
        2,417,877 16,204,336 21,419,658 21,712,243                                                       61,112,843    59,713,757 57,414,269 49,952,188 49,755,255 42,066,542 49,940,927 49,325,067 59,019,928 62,556,257 74,745,348 76,839,111 79,581,506 77,452,635 84,236,308 85,428,632 88,113,516 88,254,220 89,525,712 86,239,230 91,162,902 94,083,971 88,852,006 88,912,600 94,763,206 91,188,610 78,102,240 78,165,878  82,693,673 50,573,997 30,009,300 
        accounts receivable
      10,726,776 6,357,343 9,481,332 7,190,410 11,850,654 9,233,935 7,406,272 6,801,658 9,706,036 7,118,214 6,171,241 5,612,935 6,537,891 8,531,835 7,048,635 6,777,310 12,113,070 7,348,721 7,443,210 7,807,465 9,260,865 6,507,138 6,682,329 5,929,983 6,023,250 4,910,375 4,904,247 3,800,689 3,088,360 2,628,139 2,785,081 2,457,904 3,955,123 2,023,618 1,943,272 2,390,660 1,664,488 1,666,306 1,326,341 1,661,113 1,487,633 2,306,504 8,315,054 4,420,993 3,758,832 3,621,055 3,771,733 2,367,728 2,388,461 2,824,609 2,697,482 2,934,384 5,254,549 12,293,195 12,417,196 12,828,022 16,510,851 15,183,533 15,034,313 12,986,011 14,539,664 14,952,056 15,203,721 11,482,358 14,637,510 18,545,514 12,237,574 11,811,205 14,394,306 13,368,293 14,699,713 14,530,566 10,600,794 11,831,967 9,392,923 9,094,201 9,691,937 7,899,075 9,718,290 7,145,822 7,937,397 10,230,642 5,984,029 7,674,283 8,641,703 10,502,434 9,440,101 9,554,445 6,771,391 9,185,756 8,705,290     
        contract assets
      6,032,913 9,948,216 6,840,887 9,347,871 7,074,020                                                                                           
        inventory
      5,505,775 6,293,750 6,685,225 6,059,123 6,134,096 6,555,359 5,649,665 6,120,355 7,601,806 9,074,492 7,878,018 6,817,754 6,426,400 6,660,810 6,926,489 7,132,617 6,581,139 6,739,017 6,249,403 5,455,134 4,455,756 3,999,107 3,712,047 3,427,507 3,768,696 3,442,490 3,700,174 4,174,350 4,797,238 4,953,908 4,257,702 3,773,305 5,080,797 5,949,010 4,412,962 4,194,821 3,302,112 3,197,984 2,935,699 2,705,857 2,512,473 2,577,750 3,065,712 3,654,213 4,081,886 3,922,395 3,294,840 2,361,018 3,078,055 2,842,735 3,668,934 4,757,286 5,789,753 19,684,989 19,913,736 23,012,921 21,415,517 19,354,884 19,114,320 22,039,589 21,462,871 18,844,185 17,531,074 17,192,488 16,453,869 15,537,285 12,754,260 13,364,978 13,269,486 13,987,264 16,799,098 16,919,219 16,732,060 17,786,230 15,173,852 12,119,000 11,848,499 9,550,303 8,010,543 8,373,985 9,256,739 8,413,457 9,003,860 8,531,178 7,934,955 10,585,952 10,794,678 7,946,404 5,920,364 6,292,604 7,818,072  4,773,333 5,823,644 8,713,740 
        other receivable, at fair value
      5,057,974                                                                                               
        prepaid expenses and other current assets
      2,855,383 3,018,271 1,795,521 1,935,609 1,153,852 1,561,710 1,972,872 1,483,049 1,124,635 1,478,375 1,917,503 1,584,669 1,074,867 1,586,620 2,091,509 2,095,034 1,758,079 1,763,904 2,166,578 1,811,003 1,263,688 2,042,159 1,298,914 1,403,729 1,164,927 766,688 802,398 855,780 784,790 1,044,374 1,177,022 1,155,303 978,677 1,089,948 1,393,741 1,147,074 853,757 986,126 895,741 695,419 920,410 785,580 698,319 787,121 802,837 1,365,118 1,425,891 563,570 1,178,643 979,109 1,146,153 884,341 917,841 1,052,351 1,267,288 889,614 1,294,368 1,851,584 2,265,253 1,085,513 2,060,833 2,101,682 2,496,058 1,226,705 1,482,408 3,460,760 2,645,826 1,539,869 1,160,497 2,035,536 1,465,164 2,019,094 1,107,151 1,694,257 1,767,175 1,790,836 1,345,658 1,944,472 1,706,683 2,121,615 1,900,479 2,469,985 1,705,211 2,011,947 1,572,307 2,253,109 1,662,936 2,245,754 1,451,374 1,448,619 1,573,359  1,118,944 1,060,514 3,573,736 
        total current assets
      91,805,967 53,175,720 52,640,152 57,119,263 62,842,400 63,003,263 40,320,105 41,988,647 39,830,543 45,368,252 45,921,054 46,795,910 30,860,673 36,527,768 40,063,523 44,994,905 52,207,745 50,644,174 50,003,253 52,048,454 39,456,180 29,860,085 29,563,201 29,879,502 33,764,641 36,783,303 42,288,905 48,016,999 49,404,025 56,898,144 64,124,799 71,009,531 79,739,496 86,690,569 92,796,884 75,600,045 83,394,104 90,072,791 96,881,884 96,110,673 101,156,222 108,405,724 115,663,788 111,183,809 99,924,620 103,175,843 107,548,113 111,711,725 119,608,002 129,647,801 138,277,465 146,861,904 126,967,069 131,106,634 133,050,948 141,790,105 146,428,257 141,549,993 141,447,622 141,747,770 152,624,762 152,872,771 156,942,356 155,088,128 152,217,064 149,438,783 137,143,098 133,481,921 134,257,161 130,416,322 124,988,163 129,634,606 127,145,743 130,528,382 129,427,448 129,929,328 131,337,433 132,914,196 136,670,879 141,323,062 143,928,898 138,313,124 133,353,906 134,142,681 136,281,753 133,460,330 132,943,251 135,319,593 134,476,317 131,383,020 132,380,736  130,564,127 132,847,731 124,162,838 
        property, plant and equipment
      2,616,803 2,750,197 2,684,545 2,382,508 2,099,708 2,016,452 2,143,235 2,212,691 2,163,417 1,794,832 1,800,346 1,826,093 1,831,641 1,627,468 1,738,962 1,939,506 1,888,963 1,855,451 1,860,899 1,662,315 1,626,930 1,288,722 1,328,207 1,450,328 1,473,341    2,598,842 5,075,602 5,125,629 5,304,135 5,077,043 3,660,925 3,708,747 2,999,590 2,976,006 2,936,621 2,728,951 2,712,658 2,677,103 3,641,729 4,107,309 4,246,687 4,589,421 5,157,660 5,311,666 5,350,375 6,034,963 6,191,163 6,429,706 6,948,694 8,486,406 33,710,208 32,962,113 33,786,477 32,369,441 34,061,023 35,810,203 34,428,709 32,613,961 25,621,025 21,279,574 19,822,436 20,752,558 20,803,370 16,935,743 18,060,314 19,359,874 20,577,427 21,665,006 22,239,522 21,927,061 21,476,529 20,423,339 19,360,671 17,354,527 16,217,262 14,774,009 13,071,949 11,250,453 10,305,812 10,190,697 10,826,396 11,615,633 24,945,126 27,242,096 29,234,955  32,847,928 33,820,307   37,394,857  
        operating lease right-of-use assets
      1,488,231 2,015,472 2,212,679 1,950,150 2,134,898 2,305,433 2,477,774 2,328,152 2,504,909 2,670,116 2,847,836 3,005,772 3,168,520 3,540,073 3,766,602 3,630,555 3,828,066 1,719,089 1,258,001 1,521,315 1,780,039 2,018,685 2,260,319 2,506,159 2,753,963 3,073,651 3,242,146 3,496,947                                                                    
        other assets
      123,822 123,822 123,822 123,822 123,822 124,925 124,925 124,925 124,925 169,132 169,132 169,132 170,132 170,932 170,932 170,932 170,932 170,932 162,473 162,473 162,473 161,473 253,750 253,750 517,411 844,049 1,325,163 1,697,599 1,649,401 2,096,578 2,173,428 4,194,219 3,842,068 968,083 938,791 823,746 618,139 618,563 716,679 711,317 461,416 1,713,671 2,943,350 2,366,581 1,900,828 1,614,286 1,193,571 2,783,726 3,024,458 19,056,956 21,102,843 22,235,778 8,607,882 9,287,486 10,471,571 9,902,139 7,946,087 4,456,197 5,575,816 7,404,305 6,857,675 7,466,222 7,078,840 10,196,664 10,254,846 8,418,941 6,510,908 6,172,473 6,060,460 9,301,579 11,333,571 12,131,373 11,981,173 12,548,617 13,050,569 12,741,183 12,721,358 12,630,883 10,760,578 12,284,189 11,152,666 11,009,757 11,007,490 10,157,820 7,934,527 7,692,396 8,594,358 8,073,544 9,335,749 8,322,062 8,938,520  8,773,040 8,201,699 24,943,792 
        equity method investment, at fair value
      8,900,000                                                                                               
        equity investments
      3,459,434 3,151,255 3,523,632 3,460,669 3,564,938 3,129,434 3,982,385 4,611,510 4,688,522 4,603,014 4,626,081 7,727,789 7,721,206 7,612,065 9,831,592 9,553,628 4,912,022 4,559,756 4,540,210 4,522,445 4,523,525 4,330,060 4,222,896 4,346,642 4,537,159 9,029,417 9,141,133 5,650,099 5,565,499 5,572,816 5,708,816                                                                 
        total assets
      108,394,257 61,216,466 61,184,830 65,036,412 70,765,766 70,579,507 49,048,424 51,265,925 49,312,316 54,605,346 55,364,449 59,524,696 43,752,172 49,478,306 55,571,611 60,289,526 63,007,728 58,949,402 57,824,836 59,917,002 47,549,147 37,659,025 37,628,373 38,436,381 43,046,515 51,352,347 58,358,097 61,427,273 59,549,111 71,625,185 79,343,029 86,872,600 91,322,490 95,052,700 101,633,856 84,052,693 87,832,272 94,497,959 101,215,026 101,323,464 106,060,086 114,876,501 124,006,985 119,207,097 122,941,414 126,724,530 131,091,314 137,093,896 146,131,723 159,325,530 170,418,609 180,593,180 176,208,802 180,546,703 181,937,983 192,988,489 194,563,529 188,751,945 192,014,959 193,607,043 192,096,398 185,960,018 185,300,770 185,107,228 183,224,468 178,661,094 160,589,749 157,714,708 159,677,495 160,295,328 157,986,740 164,005,501 161,053,977 164,553,528 162,901,356 162,031,182 161,413,318 161,762,341 162,205,466 166,679,200 166,332,017 159,628,693 154,552,093 155,126,897 155,831,913 166,097,852 168,779,705 172,628,092 174,820,469 172,673,227 175,379,996  174,566,394 179,380,653 203,648,969 
        liabilities, redeemable convertible preferred stock, and stockholders’ equity
                                                                                                     
        current liabilities:
                                                                                                     
        accounts payable
      5,315,998 6,125,584 4,129,863 3,428,357 5,941,470 4,385,635 5,713,542 8,993,894 7,076,759 7,187,025 6,506,987 3,836,276 5,438,980 4,936,931 4,860,573 5,865,030 5,483,970 3,635,708 5,099,714 5,594,876 5,606,910 2,805,944 3,068,657 3,925,184 3,998,234 3,018,906 4,116,685 4,492,572 3,921,880 4,229,387 3,894,049 3,210,639 4,918,605 3,965,760 4,182,746 3,878,123 4,355,462 3,888,707 4,327,008 4,439,780 3,959,704 3,708,908 4,778,554 3,524,566 5,503,734 4,560,754 4,361,832 4,147,886 3,868,865 4,295,137 3,143,715 3,106,207 5,121,324 9,503,243 8,800,613 11,501,836 12,384,870 8,959,881 8,092,099 8,701,673 11,317,865 9,517,132 9,717,942 6,933,231 9,615,939 9,788,836 6,765,111 6,844,350 7,744,005 8,606,144 7,428,847 12,892,498 10,295,340 11,933,493 12,670,304 10,097,123 7,688,865 6,739,051 6,695,552 7,212,024 7,299,696 5,869,026 4,720,120 6,223,774 4,715,094 9,199,679 11,005,797 11,430,567 10,442,184 7,364,537 10,484,133  7,414,774 12,968,746 12,040,426 
        accrued payroll and expenses
      2,231,848 2,247,619 2,345,847 2,372,010 2,409,468 1,724,776 1,945,532 1,826,176 1,701,506 1,717,584 1,912,188 1,778,133 2,879,139 2,661,645 2,319,713 2,760,369 2,413,744 2,414,462 1,979,311 2,074,043 1,977,851 1,880,192 1,630,783 1,699,527 2,203,773 2,536,640 2,198,416 2,117,370 3,038,005 2,169,492 1,722,559 1,920,873 1,636,512 2,755,150 1,968,389 2,393,195 1,443,976 1,815,618 1,791,883 1,466,094 1,631,292 1,433,206 1,828,292 1,268,813 1,985,691 1,612,161 1,725,197 1,384,419 1,436,391 1,511,781 1,707,275 1,468,259 2,147,512 3,037,011 3,074,176 2,238,125 4,182,505 3,131,265 2,583,068 2,565,397 2,741,004 3,081,815 2,318,143 2,619,554 2,569,187 3,025,597 1,875,675 2,116,760 2,304,210 3,271,022 2,520,128 3,380,468 2,926,176 3,324,649 2,666,119 2,639,922 2,102,447 2,515,775 1,972,934 2,878,236 2,902,909 2,822,039 2,535,285 2,020,687 2,549,057 1,861,938 2,386,350 2,218,809 2,224,928 2,550,427 2,517,726  2,105,206 1,733,730 861,733 
        accrued warranty
      1,165,000 2,069,000 2,016,000 2,434,000 2,557,000 2,675,000 2,674,000 2,160,000 2,160,000 2,161,000 2,165,000 2,166,340 1,966,000 1,966,000 969,000 970,000 517,000 515,000 977,000 906,000 508,000 508,000 508,000 508,000 509,000 645,000 535,000 584,000 571,000 587,000 615,000 599,000 649,000 585,000 854,220 736,000 518,000 518,000 516,000 516,000 518,000 716,000 716,000 716,000 716,000 716,000 716,000 716,000 716,000 718,000 716,000 716,000 716,000 1,015,000 1,031,000 1,357,881 1,318,000 1,380,000 1,368,413 1,371,490 1,300,000 1,600,000 1,600,000 1,600,000 1,600,000 1,600,000 1,600,000 1,250,000 1,250,000 1,250,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000 1,030,000  830,000   
        contract liabilities
      1,168,009 1,365,819 275,053 24,439 87,752                                                                                           
        deferred grant income
      2,688,627                                                                                               
        operating lease liabilities
      648,469 775,814 765,559 614,359 639,642 653,546 672,038 628,019 651,503 762,521 796,073 790,567 786,928 761,734 767,440 658,298 701,204 889,076 762,139 886,609 982,375 1,064,903 1,077,756 1,059,429 1,041,695 1,081,252 1,017,234 1,002,309                                                                    
        accrued post-retirement benefits
      40,000 40,000 40,000 40,000 40,000 227,500 415,000 602,500 790,000 790,000 790,000 790,000 790,000                                                                                   
        other accrued liabilities
      422,440 1,623,656 648,287 423,682 685,946 1,971,681 1,460,402 1,440,364 1,702,681 1,765,544 1,642,432 1,118,969 1,182,346 2,893,502 1,698,129 2,108,625 1,202,635 2,294,564 2,008,173 1,543,146 1,809,495 2,400,234 1,891,756 1,684,547 2,235,217 2,961,609 3,259,119 3,006,409 1,901,547 2,095,098 1,716,612 2,106,782 2,066,025 4,792,347 3,601,399 3,358,760 2,560,144 3,152,649 2,662,518 2,651,836 2,553,282 3,468,730 3,111,810 2,864,213 3,169,028 2,769,194 3,041,570 2,545,953 3,157,394 3,354,822 3,301,947 3,231,469 2,563,797 4,925,003 3,492,389 3,561,546 2,126,954 2,023,522 2,861,931 3,671,841 1,956,642 2,522,228 1,172,728 1,431,357 1,149,857 2,893,617    2,855,472        1,563,235 1,205,070 951,029 1,145,731 2,007,362 1,942,521 1,956,325 1,436,888 3,148,686 2,706,560 2,807,997 2,893,502 3,290,664 3,026,372  3,259,200 5,141,770 4,829,868 
        accrued legal expenses
      185,475 1,850,000 5,961,506 6,389,756 6,367,900 6,666,717 6,666,717                                                                                         
        deferred tax liabilities
      422,458 465,403 447,498 415,957 414,118 470,884 470,884 470,884 470,884 450,480 462,985 466,246 482,739 424,433 472,569 497,102 513,417 514,000 540,617 538,826 554,000    525,000 507,000 527,000 535,000 546,000 547,266 863,000 523,529 520,000 2,606,312 2,623,679 2,686,000 2,571,000 2,547,717 2,570,000 1,330,000 1,207,000 1,207,000 1,282,000 1,282,000 1,282,000 1,409,764 1,418,442 1,390,761 1,512,771 1,612,295 1,556,592 1,296,534 1,304,513                                           
        accrued litigation damages
      19,700,000  24,800,000 24,800,000 24,800,000 24,800,000 24,800,000 24,800,000                                                                                        
        total current liabilities
      33,988,324 36,272,437 41,429,613 40,944,234 43,943,296 43,946,688 45,348,172 42,510,046 15,878,315 16,061,703 14,909,515 11,752,358 14,456,632 15,120,365 14,940,672 17,073,122 17,533,104 13,699,561 16,083,742 15,502,428 16,882,509 11,934,957 10,978,741 10,609,083 11,309,713 12,181,235 12,880,652 12,927,432 10,367,365 10,058,458 9,289,934 8,744,896 12,103,513 16,157,538 14,987,242 15,123,502 13,365,707 13,197,517 13,843,305 11,733,696 11,276,844 12,018,990 15,239,072 11,999,512 13,242,924 11,413,369 11,552,533 10,850,191 11,239,102 13,274,203 12,356,379 10,883,388 20,176,436 20,695,146 18,815,639 21,105,215 22,479,790 17,957,649 17,510,285 19,388,367 20,526,406 19,213,421 17,405,845 15,897,680 18,019,045 20,302,826 16,228,231 16,070,454 17,416,075 19,956,952 17,431,160 21,690,303 19,214,402 22,602,540 21,837,455 18,185,344 15,218,500 13,739,577 12,568,098 15,329,936 14,793,732 13,450,892 12,294,843 12,882,129 12,865,380 17,207,862 18,542,286 18,858,093 17,969,584 16,192,958 17,970,261  14,717,360 19,844,246 17,732,027 
        noncurrent contract liabilities and asset retirement obligations
      3,675 378,453 388,240 367,471 358,292 372,903 356,560 361,779 278,112 267,226 260,242 252,971 248,284 225,210 250,844 273,913 288,634 301,826 277,846 313,632 276,409 255,050 248,384 251,935 268,440                                                                       
        operating lease liabilities, net of current portion
      831,507 1,230,109 1,436,276 1,322,730 1,479,976 1,634,390 1,786,021 1,680,063 1,832,982 2,008,077 2,182,886 2,378,248 2,576,883 2,753,885 2,973,259 2,946,994 3,108,236 812,351 488,392 643,043 821,306 992,712 1,236,818 1,513,520 1,791,590 2,077,245 2,314,032 2,585,906                                                                    
        accrued post-retirement benefits, net of current portion
      190,696 190,646 190,646 190,646 230,646 279,996 279,996 279,996 319,996 507,496 694,996 882,500 1,110,000                                                                                   
        other long-term liabilities, net of current portion
      1,706,411 1,822,341 1,700,221 1,530,337 1,471,994    1,494,016    1,369,758    2,450,897                                                                               
        total liabilities
      36,720,613 39,893,986 45,144,996 44,355,418 47,484,204 47,852,993 49,264,765 46,325,900 19,803,421 20,235,623 19,438,344 16,627,219 19,761,557 19,269,853 20,180,665 21,588,779 23,380,871                                                                               
        commitments and contingencies
                                                                                                     
        series a redeemable convertible preferred stock, par value 0.01, stated value 7,000 per share; 1,000 shares authorized, 1,000 issued, and outstanding at december 27, 2025; no shares issued and outstanding as of december 28, 2024; aggregate liquidation preference of 7,000,000 as of december 27. 2025
      7,556,481                                                                                               
        stockholders’ equity:
                                                                                                     
        preferred stock, par value .01 per share: authorized, 3,000 shares; no shares issued and outstanding as of 2025 and 2024
                                                                                                     
        common stock
      1,776,753 1,571,180 1,570,086 1,564,308 1,564,308 1,532,589 1,156,484 1,154,220 1,123,220 1,104,668 1,103,765 1,099,715 929,540 926,270 918,025 902,235 900,691 895,464 890,138 889,538 880,075 871,096 871,096 870,496 870,496 865,669 865,669 858,004 785,220 776,485 776,485 775,920 775,720 767,009 767,009 766,409 766,409 761,502 761,415 760,815 760,796 756,016 753,992 751,909 751,832 747,510 747,458 746,278 745,935 739,041 739,041 737,966 736,966 732,754 732,765 732,263 732,263 726,367 726,328 725,565 725,708 723,244 722,975 722,492 722,678 719,269 718,552 718,230 718,732 714,120 713,470 713,574 713,574 711,627 711,417 711,392 710,434 712,728 712,728 712,702 712,350 706,756 705,373 703,896 701,306 701,140 701,085 700,996 700,449 697,056 694,201  693,913 693,801 690,455 
        additional paid-in capital
      463,150,835 424,708,822 423,604,168 422,862,229 422,087,837 420,066,150 394,032,205 393,358,051 385,411,542 383,898,603 382,941,171 381,753,964 360,567,631 360,673,851 359,552,311 357,585,686 356,931,157 356,489,085 351,418,984 350,417,361 341,512,893 345,094,687 344,776,079 344,615,002 344,456,537 344,248,350 344,998,149 343,738,809 335,692,879 334,985,791 333,794,962 332,518,555 331,119,340 331,008,801 330,161,572 329,337,949 328,524,644 328,339,749 327,754,462 327,141,664 326,558,527 326,911,252 326,425,178 325,499,893 324,625,694 324,315,282 323,230,037 321,941,313 320,511,458 321,232,145 320,105,369 319,192,748 318,928,495 318,515,179 317,551,126 316,681,104 315,710,160 315,488,121 314,791,169 313,823,247 313,311,889 313,115,527 312,400,695 311,729,843 311,299,712 311,430,268 310,915,985 310,503,034 310,241,805 309,543,036 309,042,275 308,382,729 307,900,357 307,744,128 307,160,531 306,548,720 305,650,043 304,885,791 266,547,210 265,872,882 267,565,043 264,964,513 264,404,698 264,398,793 263,460,874 263,429,934 263,403,418 263,361,676 263,165,884 261,496,823 260,367,792  260,253,567 260,323,088 259,141,718 
        treasury stock
      -1,389,174 -484,717 -459,669 -370,012 -370,012 -103,181 -103,127 -103,127 -103,127 -103,127 -103,127 -103,127 -103,127   -461,723 -366,110  -257,652 -610,332 -9,793,946 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -17,238,669 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,741,551 -42,442,932 -40,437,799 -36,681,821 -34,450,978 -34,450,978 -34,450,978 -34,450,978 -32,267,486 -30,995,449 -29,640,979 -28,488,147 -27,148,468 -26,580,823 -25,242,297 -19,852,316 -19,852,316 -19,852,316 -19,852,316 -19,852,316 -15,440,338 -14,552,865 -14,552,865 -14,552,865 -14,552,865 -14,552,865 -14,552,865 -14,552,865 -14,552,865 -14,552,865 -14,005,965 -12,117,004 -9,938,532 -7,398,868 -7,030,124 -5,346,407 -1,626,126 -671,235 -378,319          
        accumulated other comprehensive income
       1,759,687 1,638,345 1,770,932 2,032,359 1,316,545 1,323,344 1,234,130 1,232,294 1,135,641 1,200,045 1,182,295 1,176,068 1,030,591 1,193,695 1,300,445 1,414,351 1,428,087 1,408,387 1,464,878 1,484,434 1,600,980 1,705,520 1,658,552 1,757,184 1,883,090 1,872,372 1,651,904 1,554,587 3,036,681 3,046,191 3,294,916 3,564,779 2,346,909 2,642,260 3,132,503 1,570,971 3,307,825 1,766,202 1,797,607 771,774 1,883,399 3,528,254 3,620,914 3,126,239 3,508,858 3,647,019 2,801,837 3,441,997 2,056,283 2,541,654 4,921,414 6,512,792 6,380,602 5,178,857 6,143,114 4,146,024 1,852,620 6,062,264 6,633,564 5,985,345 5,192,074 3,237,918 7,009,782 4,556,813 2,957,602 -775,727  -168,303 261,340 2,141,348 2,969,520 3,767,256 4,300,074 3,920,994 3,058,633 2,945,098 2,308,040 1,519,889 3,608,461 2,122,241 1,955,901 2,630,712 1,054,598 2,370,967 1,270,178 1,369,193 2,995,901 3,213,838 2,566,808 1,897,468  1,013,040  -2,369,677 
        accumulated deficit
      -399,421,251 -406,232,492 -410,313,096 -405,146,463 -402,032,930 -400,085,589 -396,625,247 -390,703,249 -358,155,034 -351,666,062 -349,215,749 -341,035,370 -338,406,815 -332,249,645 -326,100,471 -320,453,539 -319,080,898 -315,771,920 -313,643,130 -309,794,263 -305,648,025 -306,911,413 -305,953,973 -304,832,432 -301,236,913 -293,947,437 -288,523,461 -284,263,070 -272,932,143 -261,631,136 -251,839,754 -242,598,797 -240,121,901 -238,319,253 -230,071,829 -221,901,228 -214,042,787 -208,852,911 -200,655,234 -197,526,132 -190,608,671 -183,647,614 -178,972,274 -179,753,247 -175,915,255 -170,613,010 -165,643,570 -156,837,627 -147,703,211 -138,043,376 -129,269,632 -121,359,786 -142,993,595 -139,132,141 -132,408,520 -126,217,486 -124,008,273 -123,941,614 -124,738,669 -125,540,493 -127,606,200 -132,281,871 -133,642,583 -135,503,360 -136,540,351 -141,868,426 -150,387,311 -155,841,862 -157,757,433 -159,569,627 -161,067,931 -159,393,678 -160,343,913 -160,625,422 -160,238,248 -157,086,639 -153,787,813 -150,905,803 -112,128,254 -114,003,817 -114,081,897 -117,323,225 -122,708,629 -124,581,936 -125,753,126 -118,759,560 -117,639,018 -115,303,018 -111,921,110 -111,306,842 -108,280,600  -105,042,852  -73,131,534 
        total stockholders’ equity
      64,117,163 21,322,480 16,039,834 20,680,994 23,281,562 22,726,514 -216,341 4,940,025 29,508,895    23,990,615    39,626,857    28,298,595 23,305,215   28,591,612 35,816,428 41,859,391 44,608,942 47,712,821 59,225,387 67,849,238 76,100,436 77,379,847 78,627,094 86,385,946 68,678,005 74,219,643 81,041,038 87,097,687 89,307,008 94,484,779 102,553,328 108,453,101 106,910,276 109,387,303 114,985,269 119,198,240 125,911,203 134,563,186 145,729,577 157,757,445 169,405,794 155,085,910 158,706,784 161,939,970 170,566,446 170,788,069 169,510,370 173,220,320 173,264,216 170,625,375 165,812,351 166,971,053 168,296,044 164,302,290 157,464,177 143,476,469 140,768,247 138,481,936 136,396,004 136,276,297 138,119,280 137,484,409 137,577,542 137,001,829 138,679,241 140,964,897 142,994,791 144,534,569 146,251,696 146,460,360 141,996,384 138,253,070 138,320,517 139,185,840 145,199,199 146,665,039 150,459,784 153,737,157 153,453,845 154,678,861  156,917,668 156,908,378 184,330,962 
        total liabilities, redeemable convertible preferred stock, and stockholders’ equity
      108,394,257                                                                                               
        restricted cash
       1,050,000 1,050,000 1,050,000 1,050,000 1,050,000 1,050,000 750,000 500,000 500,000                                                                                      
        liabilities and stockholders’ equity
                                                                                                     
        customer deposits
       9,542  1,674  102,481 331,766 701,777 408,156 559,503 78,883 87,283  378,201 806,040 2,457,496 2,638,103 2,167,228 2,640,321 2,782,056 3,950,031 2,177,330 608,386                                                                         
        accrued litigation liability
       19,700,000                                                                                              
        total liabilities and stockholders’ equity
       61,216,466 61,184,830 65,036,412 70,765,766 70,579,507 49,048,424 51,265,925 49,312,316 54,605,346 55,364,449 59,524,696 43,752,172 49,478,306 55,571,611 60,289,526 63,007,728 58,949,402 57,824,836 59,917,002 47,549,147 37,659,025 37,628,373 38,436,381 43,046,515 51,352,347 58,358,097 61,427,273 59,549,111 71,625,185 79,343,029 86,872,600 91,322,490 95,052,700 101,633,856 84,052,693 87,832,272 94,497,959 101,215,026 101,323,464 106,060,086 114,876,501 124,006,985 119,207,097 122,941,414 126,724,530 131,091,314 137,093,896 146,131,723 159,325,530 170,418,609 180,593,180 176,208,802 180,546,703 181,937,983 192,988,489 194,563,529 188,751,945 192,014,959 193,607,043 192,096,398 185,960,018 185,300,770 185,107,228 183,224,468 178,661,094 160,589,749 157,714,708 159,677,495 160,295,328 157,986,740 164,005,501 161,053,977 164,553,528 162,901,356 162,031,182 161,413,318 161,762,341 162,205,466 166,679,200 166,332,017 159,628,693 154,552,093 155,126,897 155,831,913 166,097,852 168,779,705 172,628,092 174,820,469 172,673,227 175,379,996  174,566,394 179,380,653 203,648,969 
        preferred stock, par value .01 per share: authorized, 3,000 shares; no shares issued and outstanding as of 2024 and 2023
                                                                                                     
        contract assets and unbilled receivables
           8,274,538 6,523,002 5,687,165 3,409,809 5,882,340 4,108,406 3,043,076 4,068,364 4,605,889 5,268,754 2,552,201 2,299,392 2,792,901 3,196,477 1,115,419 3,521,753 1,584,171 2,509,258 1,394,633 921,082 1,045,939 1,222,605 2,141,677 3,089,663 1,935,262 2,384,307                                                                 
        prepaid taxes
           84,885 88,433 86,578 85,572 104,671 176,085 127,280 105,495 139,605 170,124 119,163 160,599 235,944 163,305 225,751 205,568 114,151 98,137 82,088 104,442 601,608 104,726 172,061 399,611 133,445 96,983 102,462 264,352 166,461 138,365 116,921 341,144 94,623 119,543 145,524 437,586 157,695 155,010 65,157 378,637 262,282 156,806 273,587 233,642 253,545 268,832 304,685 683,032 878,320 631,199 611,986 412,068 368,423 515,980 732,971 664,320 734,046 787,787 1,120,726 469,199   165,059 206,471 350,262 486,917 553,614 874,807 1,085,525 791,928 1,020,054 799,336 143,023                544,650  
        contract liabilities and billings in excess of revenues earned
           268,468 198,291 886,432 916,826 668,046 554,967 718,544  1,097,919 3,047,208 1,756,202  1,269,523 2,076,467 1,176,872  576,419 1,687,403 1,229,396                                                                        
        other long-term obligations, net of current portion
           1,619,016 1,494,016 1,494,016  1,391,121 1,390,705 1,361,142                                                                                    
        preferred stock, par value .01 per share: authorized, 3,000 shares; none issued
                                                                                                     
        marketable debt securities, at fair value
            7,587,014 6,941,080 11,692,000 11,610,485 15,563,133 21,027,050 4,388,778 5,377,595 4,927,793 4,451,088 2,507,535 3,413,889 3,424,592 3,430,371 3,635,681 4,988,853 6,485,696 9,307,959 15,752,997 17,258,504 19,420,229 20,288,917 22,918,016 26,835,968 30,681,129 36,873,595 43,907,457 51,454,910 54,367,251 49,357,503 61,375,401 63,034,380 65,709,596 63,248,313 60,942,891 72,361,974 71,843,061 74,685,260 76,223,135 76,955,910 85,593,516 91,334,212 95,972,535 97,457,410 97,584,160 98,612,717 65,349,962 69,273,996 65,166,873 58,568,406 62,323,387 63,096,164 66,156,933 61,116,641  63,171,109 72,164,967 59,190,527                                
        total kopin corporation stockholders’ equity
              29,508,895 34,369,723 35,926,105 42,897,477 24,163,297 30,381,067 35,563,560 38,873,104 39,799,191 43,040,716 39,816,727 42,367,182 28,435,431 23,416,681 24,160,053 25,072,949 28,608,635 35,811,003 41,974,060 44,746,978 47,861,874 59,929,152 68,539,215 76,751,925 78,099,269 78,564,797 86,260,343 68,594,082 74,077,686 80,814,614 86,885,294 89,432,403 94,740,875 103,161,502 108,993,599 107,377,918 109,846,959 115,217,089 119,239,393 125,910,250 134,553,247 145,546,294 157,434,611 169,041,364 148,733,680 152,045,416 156,603,250 165,071,509 165,584,725 164,484,515 168,352,945 168,493,415 165,835,919 161,506,677 162,866,689 164,106,441 160,186,536 153,386,397 140,619,183 138,029,086                            
        noncontrolling interest
                  -172,682 -172,614 -172,614 -172,357 -172,334 -176,230 -176,337 -176,321 -136,836 -111,466 -100,137 -78,495 -17,023 5,425 -114,669 -138,036 -149,053 -703,765 -689,977 -651,489 -719,422 62,297 125,603 83,923 141,957 226,424 212,393 -125,395 -256,096 -608,174 -540,498 -467,642 -459,656 -231,820 -41,153 953 9,939 183,283 322,834 364,430 6,352,230 6,661,368 5,336,720 5,494,937 5,203,344 5,025,855 4,867,375 4,770,801 4,789,456 4,305,674 4,104,364 4,189,603 4,115,754 4,077,780 2,857,286 2,739,161                            
        contract liabilities and billings in excess of revenue earned
                  930,500    4,063,031    1,493,847    796,794 1,430,828 1,227,198 1,189,772 388,933 428,642 317,094                                                                 
        cash and equivalents
                   9,625,414    28,349,798 27,359,688 32,203,311  10,624,506 8,776,820 8,333,603          25,882,554 30,541,293 18,393,066 15,822,495 20,998,402 25,812,429 27,635,331 19,767,889 14,977,483 16,477,501 12,460,936 14,635,801 17,049,083 13,305,327 14,811,610 16,756,666 25,290,393 32,799,552 38,851,936 27,135,387 25,263,239 31,160,196 43,391,619 43,095,163 40,163,342 33,170,411 37,993,639 49,834,547 47,334,222 43,171,214 59,869,501 54,832,744 50,104,709 55,848,215 54,301,472 57,949,449 42,027,317 32,491,480 29,717,962 30,748,060 19,322,410 22,775,444 23,392,262 27,907,656 24,456,852 26,338,066 29,408,105 31,502,645 21,594,132 26,655,736 16,663,712 17,816,495 21,266,829 22,132,936 20,809,784 29,144,578 36,353,801 36,118,137  35,297,639 67,684,252 74,425,853 
        other long-term obligations
                   1,170,393  1,294,750  1,271,178 1,334,466 1,267,038  1,171,091 1,104,514 1,067,389  1,031,523 1,049,926 1,044,147  1,925,911 1,785,775 1,484,713                                                                
        other long-term liabilities
                    2,015,890      1,270,328    1,085,160    1,197,533    1,195,082                                                               
        taxes payable
                           521,935 506,000 503,000                                                                        
        goodwill
                                331,344 331,344 331,344 1,761,136 1,768,539 1,801,988 1,780,247 2,376,577 2,359,979 2,326,948 844,023 869,984 887,512 928,066 946,082 961,187 984,158 947,450 976,451 1,005,788 1,039,246 1,022,399 1,016,132 1,080,502 1,080,502 684,788 684,789 1,140,787  1,640,416 1,664,457 4,570,368 4,741,510 5,734,544                                   12,582,383 
        plant and equipment
                               1,621,927 2,029,406 2,234,285                                                                    
        asset retirement obligations
                               245,916 254,096 260,846 254,098 260,660 264,238 280,348 269,877 268,068 260,668 251,186 246,922 259,404 274,034 282,760 298,463 304,183 314,812 297,309 311,187 325,892 340,541 332,502 329,435 321,750 304,785 303,998 322,477 1,144,773 1,182,374 1,316,828 1,295,670 1,283,926 1,284,354 954,460 944,617 934,246 923,872 913,504 903,133 894,091 885,049 876,007 866,965 857,923 848,881 839,839 805,797 797,397 788,997 780,597 772,197 764,148 756,099 748,050 740,000               
        intangibles
                                      883,636                                                               
        income tax payable
                                   1,573 161,620  1,416,892 724,688 729,582 936,866 935,364                                                           
        contract liabilities, noncurrent
                                  17,294                                                                   
        intangible assets
                                   220,909 441,818 662,727  1,356,546 1,829,455 2,302,364      154,190 308,380 462,570 616,759 854,286 1,098,716 1,342,337 1,581,502 3,349,108 3,528,093 3,862,016 2,316,924 1,829,151 1,833,094 1,948,951 1,953,660 4,114,364 4,439,808 4,291,715                              120,217 240,433  480,866 936,366 1,146,716 
        deferred revenue, net of current portion
                                   154,769 153,844 262,207 374,171                                                               
        contract assets - unbilled receivables
                                     2,479,062                                                                
        equity investment
                                     3,900,000                                                                
        contract liabilities - billings in excess of revenue earned
                                     384,073                                                                
        unbilled receivables
                                      704,863 124,068   34,707 94,970 82,535 19,116 87,340 255,399 142,460 160,126 43,492      112,352 428,911 178,036 587,652 457,601 117,256 36,115 71,298 977,185 1,561,690 391,171 728,793 707,411 676,128 1,638,683 1,791,355 1,833,417 987,141 2,395,963 2,088,104 1,728,389 1,518,617 905,151 1,401,691 294,925 851,908 830,594 2,221,364 1,696,760 2,201,977 2,037,406 1,423,912 505,922 674,962            
        billings in excess of revenue earned
                                      896,479 728,281 1,027,227 1,134,558 981,761 1,274,826 1,254,694 1,329,986 1,407,566 1,485,146 3,522,416 2,343,920 586,471 345,496 289,492 665,172 547,681 1,782,168 1,930,850 1,064,919 1,220,395 2,214,889 2,417,461 2,445,827 2,467,461 2,462,981 2,604,774 3,077,966 3,210,895 2,492,246 2,597,032 3,313,538 3,084,062 2,994,776 3,017,030 2,965,198 3,127,923 2,600,378 2,600,378 173,851 173,851 400,762 159,267 175,920 159,267 1,006,966 1,063,092 1,031,517 1,080,810 991,245 941,018 941,018 1,240,347    1,378,970       
        note receivable
                                              15,000,000                                                       
        property and plant held for sale
                                             860,750 819,263                                                       
        accrued income taxes
                                            721,202                                                         
        notes receivable
                                               14,983,339 14,966,671 14,950,003 14,933,335 14,916,667 14,900,002 14,883,334 14,866,666                                               
        accounts receivable from unconsolidated affiliates
                                                         87,644 84,780 2,072,892 2,036,859 2,370,281 1,340,788 1,460,765 4,213,227 4,231,716 2,558,513 5,006,678 4,880,124 4,329,695        4,655,606 3,621,463 2,660,954 2,392,090 2,079,561 1,461,118 2,462,799 3,771,905 3,958,042 3,040,012               
        current assets held for sale
                                                          21,573,729                                           
        noncurrent assets held for sale
                                                          29,145,732                                           
        current liabilities held for sale
                                                          7,102,895                                           
        noncurrent liabilities held for sale
                                                          623,979                                           
        deferred tax assets
                                                           3,472,437 3,620,257 3,920,401 4,201,627                                       
        accounts receivable from unconsolidated affiliates, net of allowance of 0 and 507,000 in 2009 and 2008, respectively
                                                                      2,988,894                               
        accounts payable to unconsolidated affiliates
                                                                        990,664 918,827 992,990  1,195,541 1,866,101 2,084,491 1,412,302 952,877 884,704 616,194 635,550 504,450 2,120,130 1,034,586               
        accounts receivable from unconsolidated affiliates, net of allowance of 321,000 and 507,000 in 2009 and 2008, respectively
                                                                       2,584,891                              
        accounts receivable from unconsolidated affiliates, net of allowance of 291,000 and 507,000 in 2009 and 2008, respectively
                                                                        1,871,618                             
        other accrued liabilities and professional fees
                                                                        1,979,751 1,975,319 1,996,947  2,656,266 2,347,385 2,704,544 4,501,334 4,358,888 3,357,675 3,621,727                   
        accounts receivable from unconsolidated affiliates, net of allowance of 1,007,000 and 507,000 in 2009 and 2008, respectively
                                                                         1,556,942                            
        accumulated other comprehensive loss
                                                                         -1,909,978                          -14,179,545  
        accounts receivable from unconsolidated affiliates, net of allowance of 507,000 in 2008
                                                                          2,814,447                           
        minority interest in subsidiary
                                                                          2,912,519 3,084,449 3,430,402 3,356,079 3,549,369 3,576,049 3,273,075 4,386,000 4,457,724 4,263,825 4,346,700 4,349,518 4,337,925 4,181,417 4,004,180 3,924,251 3,780,693 3,690,791 3,572,380 3,310,215 3,113,728 3,026,424 2,730,874     
        accounts receivable from unconsolidated affiliates, net of allowance of 813,000 and 0 in 2008 and 2007, respectively
                                                                           5,107,942                          
        notes receivable from unconsolidated affiliates
                                                                           1,510,677                          
        accounts payable to unconsolidated affiliate
                                                                           1,373,936                          
        preferred stock
                                                                                                     
        accounts receivable from unconsolidated affiliates, net of allowance of 685,000 in 2008 and 0 in 2007
                                                                            6,992,335                         
        notes receivable from unconsolidated affiliate
                                                                            1,000,000 700,000                        
        deferred tax asset
                                                                                                     
        deferred compensation
                                                                                      -2,458,509 -1,277,437 -1,432,677 -1,628,708 -922,946 -1,064,174 -1,169,639 -1,295,771 -1,421,904       
        accrued tax
                                                                                   249,000 97,000 107,000 300,000    700,000           
        optical equipment to be transferred to joint venture
                                                                                         5,267,598 5,785,500           
        accounts receivable from related parties
                                                                                       3,155,284 2,144,488 2,156,099            
        optical equipment and receivables from transfer to joint venture
                                                                                       1,500,000 1,115,430             
        accounts payable to related parties
                                                                                       731,220 1,125,899 710,325            
        accounts receivable from kopin taiwan corp.
                                                                                          446,822           
        accounts payable to kopin taiwan corp.
                                                                                          1,193,994           
        billings in excess of revenues earned
                                                                                           1,967,559 1,413,579 1,370,720        
        property, plant and equipment:
                                                                                                     
        land
                                                                                              805,528    802,171  727,081 
        buildings
                                                                                              2,130,400    2,016,474  1,744,151 
        equipment
                                                                                              61,442,351    55,552,926  54,052,463 
        leasehold improvements
                                                                                              13,396,112    13,304,865  13,515,758 
        furniture and fixtures
                                                                                              284,894    185,002  570,603 
        equipment under construction
                                                                                              257,404    1,259,690  1,237,053 
        property, plant and equipment: - sum
                                                                                              78,316,689    73,121,128   
        accumulated depreciation and amortization
                                                                                              -47,308,286    -38,372,767  31,033,869 
        unearned revenue
                                                                                               1,957,330 912,030  1,108,180   
        preferred stock, par value .01 per share: authorized, 3,000 shares; none issued and outstanding
                                                                                                     
        liabilities and stockholders' equity
                                                                                                     
        minority interest
                                                                                                  2,931,366 2,628,029 1,585,980 
        stockholders' equity:
                                                                                                     
        billed
                                                                                                  6,680,538 7,160,674 7,210,570 
        unbilled
                                                                                                    33,975 
        preferred stock, par value .01 per share: authorized, 3,000 shares;
                                                                                                     
        none issued and outstanding
                                                                                                     
        deficit
                                                                                                   -89,928,966  
        refundable taxes
                                                                                                    195,664 
        equipment and improvements:
                                                                                                     
        equipment and improvements: - sum
                                                                                                    71,847,109 
        current portion of long-term obligations
                                                                                                     
        long-term obligations, less current portion
                                                                                                     
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-27 2025-09-27 2025-06-28 2025-03-29 2024-12-28 2024-09-28 2024-06-29 2024-03-30 2023-12-30 2023-09-30 2023-07-01 2023-04-01 2022-12-31 2022-09-24 2022-06-25 2022-03-26 2021-12-25 2021-09-25 2021-06-26 2021-03-27 2020-12-26 2020-09-26 2020-06-27 2020-03-28 2019-12-28 2019-09-28 2019-06-29 2019-03-30 2018-12-29 2018-09-29 2018-06-30 2018-03-31 2017-12-30 2017-09-30 2017-07-01 2017-04-01 2016-12-31 2016-09-24 2016-06-25 2016-03-26 2015-12-26 2015-09-26 2015-06-27 2015-03-28 2014-12-27 2014-09-27 2014-06-28 2014-03-29 2013-12-28 2013-09-28 2013-06-29 2013-03-30 2012-12-29 2012-09-29 2012-06-30 2012-03-31 2011-12-31 2011-09-24 2011-06-25 2011-03-26 2010-12-25 2010-09-25 2010-06-26 2010-03-27 2009-12-26 2009-09-26 2009-06-27 2009-03-28 2008-12-27 2008-09-27 2008-06-28 2008-03-29 2007-12-29 2007-09-29 2007-06-30 2007-03-31 2006-12-30 2006-09-30 2006-07-01 2006-04-01 2005-12-31 2005-09-24 2005-06-25 2005-03-26 2004-12-25 2004-09-25 2004-06-26 2004-03-27 2003-12-31 2003-09-27 2002-12-31 
                                                                                                   
          cash flows from operating activities:
                                                                                                   
          net income
                                       -5,472,104              -5,103,908 -9,027,916 -9,093,319 -9,843,875 -9,015,193 -8,111,338 21,364,390 -4,333,496 -7,067,896 -5,535,249 -2,057,631 406,734 1,050,767 757,952 2,044,180 4,623,224 1,271,788 2,087,413 973,373 5,271,350 8,418,106 3,480,997 2,099,700 1,812,197   950,235 281,508 -387,174   -2,882,009 -1,221,108 1,875,563 78,080 3,241,328 5,385,404 1,873,307 1,171,190        
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                   
          depreciation and amortization
        190,262 194,431 225,360 219,501 165,953 138,472 136,756 195,399 110,034 110,409 163,205 224,574 56,807 129,964 267,663 267,590 102,599 154,061 207,008 205,023 176,646 132,694 170,938 170,805 195,130 158,797 173,905 264,389 269,965 558,546 575,202 554,967 623,528 735,857 699,332 443,174 43,767 298,167 316,209 335,478 278,682 669,887 508,514 681,899 414,463 807,957 846,620 932,974 588,669 922,598 1,040,256 1,095,202 1,477,768 2,501,385 2,605,872 2,526,918 2,601,754 2,183,920          1,504,564  1,199,911 1,373,482 1,383,552  851,257 851,939 857,097 353,012 542,820 859,170 868,281 1,093,159 948,580 891,353 944,846 2,179,069 2,417,858 2,460,162 2,466,102 2,009,592 2,508,690 4,553,268 
          stock-based compensation
        404,438 1,105,748 747,717 774,392 710,379 1,212,946 676,418 734,928 1,531,491 958,333 1,191,259 194,190 -102,949 297,548 417,033 656,073 650,563 642,184 514,509 2,610,166 182,372 318,608 161,677 158,465 251,401 451,683 538,474 815,842 912,435 1,190,830 1,288,374 1,399,415 -694,026 1,022,029 676,023 1,292,105 945,845 528,428 894,599 56,454 358,985 764,451 1,024,579 997,464 1,272,318 1,193,008 1,235,489 1,126,957 554,504 1,229,376 913,696 1,505,832 713,684 1,549,478 1,139,771 1,084,057 1,746,808 706,296 911,391 559,133 693,948 715,686 670,210 503,884 354,088 773,003 410,156 347,093 1,015,038 548,663 538,801 638,347 439,156   619,757 659,203               
          non-cash loss on equity investments
                                                                                                   
          gain on sale of equity investment
                                                                                                 
          gain on deconsolidation of subsidiary
                                                                                                   
          income taxes
        52,228 52,229 52,227 52,228 45,642     39,106 39,105 39,105    35,836                                                                            
          foreign currency gains
                   -118,697    -16,351 -12,729                              665,434 -157,642                   731,449 -864,032                        
          loss on disposal of property and equipment
        49,736                                                                                           
          provision for credit losses
            81,842                                                                                       
          noncash provision for excess inventory
        42,714 171,264 202,380 551,758 876,207 478,759 252,129 771,580                                                                                    
          accrued litigation damages
           24,800,000                                                                                    
          changes in assets and liabilities, net of deconsolidation of subsidiary:
                                                                                                   
          accounts receivable
        -4,319,788 2,882,446 -2,442,317 4,775,817 -2,609,879 -1,963,583 -87,745 3,082,659 -3,134,303 -572,120 -1,144,421 -420,919 3,050,396 -2,350,552 329,426 5,777,308 -5,513,932 -475,957 1,366,129 1,258,770 -3,139,821 298,530 -374,014 260,602 -2,158,172 358,012 -1,191,346 -953,353 -651,055 816,232 -773,898 1,461,884 -2,447,993 -169,813 452,036 -210,823 484,455 -669,160 268,149 -123,073 1,452,787 5,786,885 -3,692,508 -696,222 -156,493 -111,276 -1,141,583 122,945 567,652 -64,190 753,682 3,595,929 1,212,922 88,766 474,426 2,587,333 -1,102,136 3,424,219 -1,486,258 -579,635    1,591,256 4,116,046 -3,953,977 -893,439 4,435,210 -535,751 2,262,384 -4,182,379 -5,803,499 -334,271 -3,747,664 719,770 -279,055 135,861 2,626,328 -1,867,878 16,774 2,401,391 -6,124,716 1,811,610 -1,899,936 1,528,392 -1,088,511 166,149 -2,711,081 2,264,856 -344,084 479,479 
          contract assets
        3,816,392 -3,115,626 2,515,281 -2,273,850          823,465 -2,873,628 -252,809  291,915 -2,081,058 2,406,334  925,087 -1,114,625 -473,551  176,666 919,072 947,986  304,853 190,388 1,124,634                                                            
          inventory
        -441,712 187,406 -755,729 -444,726 -532,162 -1,302,585 217,209 694,949 689,320 -1,258,711 -1,020,372 -665,589 -66,172 -51,642 -736,474 -1,156,461 44,144 -568,623 -805,575 -1,398,350 -55,122 -380,234 -540,017 -356,766 546,068 -28,406 -688,845 -620,982 -104,337 -946,705 -406,193 -198,961 886,170 -1,740,957 -528,900 -249,340 -295,897 -535,000 -390,274 -306,431 -97,337 199,178 30,485 -140,810 -423,848 -578,871 -1,005,261 487,156 -95,345 788,009 469,642 1,100,241 3,169,295 268,088 1,860,450 -1,831,265 -1,993,823 -629,797 2,711,169 75,026 -1,548,612 -1,350,779 -128,001 -1,260,325 -529,539 -2,069,765 497,808 -564,694 707,354 3,017,239 136,978 -669,005 970,788 -2,572,000 -2,988,149 -291,364 -2,172,831 -1,162,694 392,412 707,843 -759,873 528,949 -486,861 -551,533 2,822,250 177,956 -2,792,697 -1,963,583 277,396 1,597,420 1,081,836 
          prepaid expenses and other current assets
                     121,493 -79,578 -314,361  314,261 -306,624 -773,067  -751,072 48,675 -33,168  18,258 196,391 221,926  30,884 15,529 98,008  289,333 -253,906 -22,082 -164,733 -82,229 -196,198 491,455 -278,830 -106,434 9,192 168,651 409,308 -135,952 -660,433 578,444 -155,161 208,090 -521,688 288,901 -41,488 99,054 -158,439 227,453 590,105 510,161 -954,312 1,165,219 130,269 503,671 -958,396 -393,618 1,520,834 -109,351 -915,972 -363,053 993,432 -495,872 581,679 -655,533 1,270,014 -202,497 -225,848 -678,271 484,359 -476,699 336,103 -111,363 613,553 -1,172,901 -561,947 86,664 716,865 -595,114 593,299 -778,247 -199,873 139,512 480,534 
          other assets
        -240,768 2,605 -2,466 -17 152,926    48,038 15,139 -1,483 1,000 -2,893 19,465   -3,513 -28,267   -181,700 107,914 211,741 55,231 65,493 -5,714 -50,810 -50,000 -757 34,350 45,666 -87,632 -60,944 -42,620 -24,950 -12,346 88,594 179,845 -95,370 -92,276 -18,835 25,549 -236 -8,250 9,322 -11,001 -22,328 -14,127 71,252 -73,123   -33,819 4,194 -38,550 111,739 -16,013 52,574 374,658 -394,313 43,601 124,444 3,202 25,331 -25,506 -3,094 75,567 -88,748 67,949 -1,078 30,560 -61,060 -588 474 -6,094 -17,117 32,603 128,591 -15,825 -98,180 -113,239 -21,048 1,322 -48,947    101,153 -914,584 789,146 -3,089,096 
          accounts payable and accrued expenses
        -3,807,236 -1,108,451 779,928 -2,953,405 468,381 -1,367,981 2,791,568 1,682,980 36,594 402,604 3,380,144 -1,983,304 -2,208,230 1,645,039 -3,188,920 -107,657 3,082,174 -679,397 -1,325,266 -934,132 4,431,336 2,237,385 -355,176 -1,086,534 264,519 -732,558 -88,986 393,941 -544,324 1,353,658 625,872 -2,644,054 181,536 1,384,827 347,652 10,736 -107,585 -411,649 1,583,973 98,847 -282,956 -997,594 1,720,084 -3,071,919 1,187,906 -223,643 1,370,138 -504,810 -680,777 912,783 172,380 -1,177,857 -998,169 1,540,813 -414,266 -3,124,717     -804,266 1,252,344 1,045,978 -1,155,193 -2,540,886 -284,864 -294,496 -1,108,555 -1,436,598 2,821,557 -5,447,927 1,732,797 -2,990,770 459,012 4,323,597 1,397,063 3,242,226 623,862 -3,996,873 530,597 1,060,959 1,777,096 -570,331 289,068 -3,118,936 -1,854,909 -399,972 792,944 1,990,489 -1,908,746 -5,759,616 
          accrued warranty
        -901,234 53,542 -418,870 -122,389                                                                                        
          contract liabilities
        2,489,870                                                                                           
          net cash from operating activities
        -7,855,283 -110,433 -4,158,569 -3,414,201 -1,586,052 -6,456,651 -3,076,952 -3,106,950 -3,468,995 -3,799,609 -3,817,522 -4,174,551 -2,084,514 -4,165,624 -9,154,449 -2,282,663 -1,693,553 -3,453,625 -5,355,324 -245,280 1,858,987 483,161 -2,890,850 -3,868,455 -4,211,762 -5,436,312 -3,531,977 -7,846,803 -7,983,156 -6,974,901 -7,148,808 -6,059,044 -6,071,896 -7,163,203 -6,058,664 -6,618,935 -6,138,004 -7,841,090 -6,642,278 -5,553,323 -6,778,748 -1,283,487 -3,380,165 -5,477,149 -2,215,716 -4,348,469 -6,896,010 -6,144,801 -6,060,466 -5,645,862 -3,924,403 -3,269,674 2,292,868 261,784 1,862,752 -629,203 8,136,170 7,584,713 3,032,024 499,194 8,131,069 4,664,611 -1,420,744 2,558,405     6,320,922 12,739,384 -5,192,573 -2,196,801 1,573,810 -4,355,472   -863,322 1,853,710 -2,905,392 2,804,305 8,574,109 1,217,100 3,893,253 739,557 2,047,407 -1,076,498 -1,637,702 -5,053,212 6,259,506 -361,315 205,250 
          cash flows from investing activities:
                                                                                                   
          proceeds from sale of marketable securities
        2,420,054 13,716,549 20,243,677 2,798,264                                                            4,183,418 5,621,564 11,519,351 10,003,803 14,740,370 7,505,499 13,721,313 15,554,382 17,619,751 3,903,669 7,196,120 3,300,616 8,847,109 15,477,604 10,124,946 8,999,968 10,650,195 6,031,204 7,790,470 4,567,363        
          proceeds from sale of equity investment
                                                                                                 
          capital expenditures
        -96,975 -106,613 -733,259 -500,492 -494,426 -10,273 -65,171 -245,429 -471,205 -127,651 -134,013 -216,618 -190,566 -37,202 -80,576 -524,368 -168,086 -191,842 -327,125 -346,450 -248,267 -88,468 -50,197 -155,930 -57,177 6,806 -44,895 -74,920 -223,643 -219,316 -186,379 -553,793 -1,452,723 -270,002 -773,759 -297,983 -65,483 -24,355 -81,539 -223,520 -129,509 -341,485 -337,414 -314,400 54,070 -566,019 -533,665 -444,372 -222,220 -5,543 -205,850 -307,930 -1,367,891 -2,715,626 -3,972,462 -1,775,988 -1,401,622 -1,865,544 -2,683,089 -1,182,116 -6,156,994 -5,375,961 -3,488,143 -828,725     -490,301 -578,485 -1,391,494 -873,799 -1,914,611 -1,851,244   -2,416,793 -1,549,618 -1,315,826 -2,585,492 -1,617,179 -1,137,097 -291,567 -61,580 -125,786 -127,828 -408,793 -596,464 -171,353 -1,262,021 -1,775,623 
          free cash flows
        -7,952,258 -217,046 -4,891,828 -3,914,693 -2,080,478 -6,466,924 -3,142,123 -3,352,379 -3,940,200 -3,927,260 -3,951,535 -4,391,169 -2,275,080 -4,202,826 -9,235,025 -2,807,031 -1,861,639 -3,645,467 -5,682,449 -591,730 1,610,720 394,693 -2,941,047 -4,024,385 -4,268,939 -5,429,506 -3,576,872 -7,921,723 -8,206,799 -7,194,217 -7,335,187 -6,612,837 -7,524,619 -7,433,205 -6,832,423 -6,916,918 -6,203,487 -7,865,445 -6,723,817 -5,776,843 -6,908,257 -1,624,972 -3,717,579 -5,791,549 -2,161,646 -4,914,488 -7,429,675 -6,589,173 -6,282,686 -5,651,405 -4,130,253 -3,577,604 924,977 -2,453,842 -2,109,710 -2,405,191 6,734,548 5,719,169 348,935 -682,922 1,974,075 -711,350 -4,908,887 1,729,680     5,830,621 12,160,899 -6,584,067 -3,070,600 -340,801 -6,206,716   -3,280,115 304,092 -4,221,218 218,813 6,956,930 80,003 3,601,686 677,977 1,921,621 -1,204,326 -2,046,495 -5,649,676 6,088,153 -1,623,336 -1,570,373 
          deconsolidation of subsidiary cash
                                                                                                   
          payments to equity method investee
                                                                                                   
          purchases of marketable securities
        -15,156,585 -2,311,549                                                                     -1,300,407 -4,662,220 -5,202,961  -16,631,436 -4,696,840 -9,209,662  -9,794,713 -2,139,223 -2,659,496        
          net cash from investing activities
        -2,183,919 2,316,046 13,280,824 4,586,583 145,215 -14,254,504 -704,165 4,524,619 -423,167 3,795,164 5,331,421 -16,840,397 806,565 -517,749 -1,076,237 -2,524,398 728,401 -220,109 -308,167 -146,450 920,033 1,521,013 3,160,594 6,196,801 1,508,316 2,166,092 -1,595,705 2,664,219 3,776,194 3,653,904 6,058,717 5,268,430 5,967,680 2,597,946 -6,301,827 9,012,928 2,131,869 2,663,268 4,807,062 13,231,177 12,300,217 108,893 7,613,210 3,280,038 741,513 8,172,672 5,376,581 4,364,494 735,027 1,719,945 180,873 18,825,839 52,996 -6,312,664 -11,713,211 2,042,307 -2,908,470 940,225 -6,706,931 -11,726,591 -4,208,957 4,739,185 -15,136,342 2,402,755 -3,992,992 -7,536,057 738,003 -9,680,581 10,024,433 -2,466,894 7,564,781 2,163,274 10,418,637 752,492   4,495,774 -2,024,922 1,596,455 -2,893,366 695,693 -4,921,654 9,861,002 -1,202,660 -6,113,584 548,787 2,830,770 -3,674,191 -13,457,026 -765,324 -32,652,636 
          cash flows from financing activities:
                                                                                                   
          issuance of common stock and pre-funded warrants, net of costs
            8,585,662     21,335,000                                                                                
          issuance of preferred stock, net of costs
                                                                                                   
          settlements of restricted stock for tax withholding obligations
        -904,457 -25,049           -103,127 -95,613 -569,375 -32,705     -38,385 -7,128 -196,612 -1       -501,443 -7,653 -1,500 -612,776 -276,350           -527,958 -3,759   -957,193 -9,305 -4,651 -58,418 -427,865 -585 -103,433 -585,391 -7,639 -6,726 -86,367                        
          net cash from financing activities
        44,106,691 -65,049   1,076,196 25,197,050 7,242,581 21,335,000 -103,127 832,236 2,027,105 -95,613 -569,375 4,690,895 840,394 15,487,379     -38,387 -90,000 678,531 7,442,872 -833,590 -1   -1,563,060   -501,443 -7,653 -1,500 -612,776 -276,351   -919,583 -46,914 -170,178 -3,186,030 -3,755,978 -2,230,843 -3,673,849 -527,958 -3,759 -2,280,409 -1,272,037 -2,311,664 -1,162,137 -1,282,385 -615,563 -1,721,707 -5,390,566 1,125 -73,939 -481,235 -298,264 -4,408,860 -973,840 -346,991    -280,980   279,878 -444,141 -1,888,961 -1,965,181 -2,475,193 294,420 -1,148,019 -3,689,529 -903,141 -268,095 -351,748 41,831 196,339 230,929 1,131,886 -69,409 
          effect of exchange rate changes on cash
        1,517 -1,734 4,798 -588 -5,832 1,851 5,202 -2,173 3,172 -2,548 9,623 4,216 14,540 -153,668 -33,692 -17,765 -27,340 -27,051 -20,526 -5,207 19,807 11,512 5,473 -23,990 13,381 -16,607 152 -3,110 -149 -54,529 -323,832 110,287 632,949 -93,482 -155,532 176,578 -668,329 371,448 12,314 191,088 -118,287 -49,073 -119,269 22,246 -19,496 -33,533 13,146 5,429 -22,258 172,736 -78,011 -165,767 54,242 157,682 -100,555 155,389 15,784 -369,870 134,064 2,052 299,920 149,778 -142,326 149,536 -57,456 191,529 282,292 -256,402 -76,232 -868,138 401,310 -996,571 -285,817 149,946 375,519 -195,301 262,493 178,959 204,079 469,714 344,291 -209,031 -72,702 213,461 883,938 13,352 88,253 196,270 -242,632 230,417 130,182 
          net change in cash, cash equivalents and restricted cash
                                                                                                   
          cash, cash equivalents and restricted cash at beginning of year
                                                                                                   
          cash, cash equivalents and restricted cash at end of year
                                                                                                   
          supplemental disclosure of cash flow information:
                                                                                                   
          construction in progress included in accrued expenses
                                               136,000   78,000 150,000 203,500 13,500 -76,000 232,000       -1,320,000 1,681,000 -57,000 -469,000 -24,000 1,019,000   309,000 155,000    378,000 -245,196 -76,000 -495,000 1,075,000 -29,531 11,000 -749,000 1,578,000 -969,108               
          right-of-use asset obtained in exchange for lease liability
                                                                                                   
          interest paid, net of amounts capitalized
                                                                                                   
          cash paid for income taxes
                                                                                                   
          accrued dividends
                                                                                                   
          net loss
         4,080,604 -5,166,633 -3,113,533 -1,947,341 -3,460,342 -5,921,998 -32,548,215 -6,488,972 -2,450,313 -8,180,379 -2,628,555 -6,157,238 -6,149,174 -5,647,189 -1,372,664 -3,305,082 -2,128,683 -3,848,883 -4,185,723 1,238,018 -968,769 -1,143,183 -3,656,991 -7,311,924 -6,505,364 -4,237,024 -11,319,910 -11,291,819 -9,807,979   -1,877,058 -8,302,640 -7,260,538 -7,939,879 -5,154,545 -8,273,084 -2,784,728 -6,818,788 -7,074,614 -4,661,650 706,283 -3,813,086                                -3,298,825         -6,993,566 -1,120,542 -2,336,000 -3,381,908 -614,268 -3,026,242  
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                   
          investment impairment net of unrealized gains
         448,000 24,000                                                                                        
          foreign currency losses
         144,532 -47,282 -65,901 -74,924 -171,635 -27,499 66,132 64,313 -24,472   110,257 214,445     -96,735 -68,351 -280,137 -195,850 -6,557 193,073 -252,498 105,714 159,949 -233,180 -91,770 249,705   492,718 -256,071 -533,586 1,190,199 -1,004,545 1,152,353 28,254 535,294 557,290 -732,731 -417,247 137,074 -326,249    187,452 750,351 -394,681 -201,532 641,178 496,575 -99,903 198,344 340,615 -902,045 284,621 290,959 190,534 -138,198 12,290 354,084 185,402                           
          changes in assets and liabilities:
                                                                                                   
          prepaid expenses, other current assets and other assets
         -1,189,334 154,160 -773,832 480,511 430,547 -490,908 -366,540 258,861 467,721 -403,381 -525,705                                                                                
          payments of issuance costs
                                                                                                   
          net increase in cash, cash equivalents and restricted cash
         2,138,830 9,037,396 1,171,794 -370,473 4,487,746 -3,775,915 8,658,077                                                                                    
          cash, cash equivalents and restricted cash:
                                                                                                   
          beginning of period
         15,210,120  6,210,685  8,258,878  26,787,931  17,112,869  6,029,247  14,326,347  24,848,227  15,822,495  19,767,889  14,635,801  16,756,666  27,135,387  43,095,163  49,834,547  54,832,744 57,949,449 30,748,060 27,907,656 31,502,645 17,816,495    29,144,578    
          end of period
         2,138,830 9,037,396 16,381,914  4,487,746 -3,775,915 14,868,762  -6,993 1,523,522 8,583,146  -4,004,805 -8,237,273 21,867,492  990,110 -4,843,623 32,203,311  1,847,686 443,217 8,333,603  -3,376,827 -4,448,999 16,583,525  -3,375,527 -1,425,325 24,167,900  -4,658,739 12,148,227 18,393,066  -4,814,027 -1,822,902 27,635,331  -1,500,018 4,016,565 12,460,936  3,743,756 -1,506,283 14,811,610  -7,509,159 -6,052,384 38,851,936  -5,896,957 -12,231,423 43,391,619  6,992,931 -4,823,228 37,993,639  4,163,008 -16,698,287 59,869,501 4,728,035 -5,743,506 1,546,743 54,301,472 15,922,132 9,535,837 2,773,518 29,717,962 11,425,650 -3,453,034 -616,818 23,392,262 3,450,804 -1,881,214 -3,070,039 29,408,105 9,908,513 -5,061,604 9,992,024 16,663,712    20,809,784    
          unpaid equity issuance costs
                                                                                                   
          unpaid letter of credit debt issuance costs
                                                                                                   
          loss on sale of property and equipment
                                                                                                   
          contract liabilities and billings in excess of revenue earned
          236,391 -64,261 -173,251 66,257 -694,301 -43,746 247,756 131,311 -163,684 -211,815              -35,521                                                                  
          issuance of common stock, net of costs
             7,242,581     832,236   -16,904,173                                                                           
          accretion of discount on marketable securities
                                                                                                   
          net loss on remeasurement of investments
                                                                                                   
          changes in other non-cash items
            -117,870 765 513,372 184  -3,304 -1,806 200,000                                                                                
          purchase of equity investments
                                                                                                   
          (purchase) sale of treasury stock, net of costs
                                                                                                   
          cash and cash equivalents at beginning of year
                                                                                                   
          investment impairment
             1,053,609                                                                                     
          loss on sale of property and plant
                27,353                                                                                   
          contract assets and unbilled receivables
             -1,720,880 -1,176,196 -2,177,260 2,472,531 -1,554,514 -1,031,682 934,759                                                                                
          purchases of marketable debt securities
              -889,000 -230,012 -17,624,779 -500,012 -500,000 -3,000,030                                                                            
          proceeds from sale of marketable debt securities
              250,006 5,000,060 3,907,676 5,466,917 1,000,000 1,000,024 1,000,000 900,000 200,000 1,350,000 1,501,567 2,999,050 6,297,500 1,500,000 2,165,000 1,000,000 2,789,139 4,787,293 8,749,500 6,199,430 6,909,855 4,140,582 9,073,122 10,803,009 13,519,291 6,998,275 13,348,565 19,258,679 11,229,734 19,572,093 6,483,044 8,194,677 3,805,945 6,415,129 9,524,520 10,594,236 13,267,391 3,029,728 1,899,447 5,596,569 6,604,744 3,990,400 15,736,266 3,132,428 14,446,777                                    
          accretion of premium or discount on marketable debt securities
                    128 958 10,203 -5,178 1,534 1,579 1,783 2,056 2,344         1,160 1,356                                                          
          change in allowance for credit losses
                -16,692 -64,537 295,950 495,000                                                                                
          write-off of excess inventory
                851,217 292,405 407,757 216,305 866,513 588,175 95,945 67,902 15,389 408,939   248,616 676,063 -848,097 275,905 1,152,504 1,253,988                                                                
          change in warranty reserves
                                        74,325 -49,622                                                        
          sale of treasury stock, net of costs
                        840,394 15,520,084                                                                        
          equity investment purchase
                                                                                                  
          net increase in cash, cash equivalents, and restricted cash
                                                                                                   
          net increase in cash and cash equivalents
                  1,523,522 324,268 -1,366,536 -4,004,805 -8,237,273 -4,920,439 -1,561,867 990,110 -4,843,623 15,090,442 6,488,363 1,847,686 443,217 2,304,356    2,257,178 -5,040,701 -3,375,527 -1,425,325 -680,327                                                            
          cash and cash equivalents:
                                                                                                   
          gain on investment transactions
                                                                                                   
          net loss on investment transactions
                                                                                                   
          change in allowance for bad debt
                    157,866 10,348 20,705 -26,281 -97,256 1,432 -26,811 95,931 -95,176 -163,551 -353,932 -150,500 690,128 -387,169 83,202 246,970 178,889 -553,826 356,032 -136,095         -187,000 149,000 -74,500 -30,679 79,340 14,679 -114,229 62,607 -37,564 -18,508 -44,332 39,938 -57,218 -67,758 -116,918 252,649 -29,475 -330,900     -320,055 -292,530 -576,202 600,721 -213,367 60,635 888,555 -272,823                    
          cash and cash equivalents at end of year
                                                                                                   
          unrealized gains on investments, net of impairment
                                                                                                   
          loss on disposal of property and plant
                     -1 202,671                                                                            
          deferred income taxes
                     35,837    32,070    29,134    26,259   -66,618 -125,449   -1,251,023 -77 -978 -1,168,962 259,730 -170,872 1,240,000 123,000    -127,730 -7,733 27,097 -122,359 -96,013 48,000 260,000 40,700                                        
          provision for warranty
                                                                                                   
          billings in excess of revenue earned
                     -2,107,106 1,293,263 -2,317,122  -691,716 893,381 -284,515 920,147 -1,110,223 456,953 428,688    922,540 -53,916 -263,178 -66,978 379,330 168,198 -298,946 -107,331 152,797 -293,065 20,132 -75,292 -77,580 -271,428 -2,037,270 1,178,496 1,907,449 240,975 56,004 -375,680 117,491 -1,234,487 -148,682 865,931 -155,476 -994,494 -202,572 -28,366 -21,634 4,480 -141,793 -473,192 -132,929 718,649 -104,786 -716,506 229,476 89,286 -22,254 51,832 -162,725 527,545   -226,911   16,653 -847,699 -56,126 31,575 -49,293 89,565 50,227 -299,329    -8,250    
          unrealized losses on investments
                                                                                                   
          other non-cash items
                      -190 453,262  -461,354 56,054 412,161  -197 115 -985  114,075 -52,363 32,732 313,588 217,528 -141,192 442,691 -19,026 221,521 322,315 129,884 174,215 258,159 150,906 94,050 154,890 275,207 581,535 548,627 243,733 -68,736 81,257 233,078 -130,805 56,269 618,740 189,224                                        
          gain on investments
                       -4,700,000                                                                            
          impairment of goodwill
                                                                                                 
          equity investments purchase
                                                                                                   
          recovery of impairment on marketable debt securities
                                                                                                  
          loss on disposal of plant and equipment
                         56,450        235,993 70,983 180,308                                                                
          paycheck protection program loan receipt
                                                                                                  
          paycheck protection program loan repayment
                             -168,000                                                                      
          unrealized gain on investments
                                     -2,849,816                                                            
          fiscal year ended
                                                                                                   
          impairment of assets
                                                                                                   
          purchase of marketable debt securities
                                    -786,699    3,340,765 -6,162,554 -15,863,477 -948,637 -5,923,913 -10,840,787 -21,589,904 -13,474,384 -8,370,429 -6,688,034 -5,704,216 -2,073,061 -5,737,008 -1,024,828 -4,661,662 -8,444,398 -2,010,400 -1,998,125 -5,600,669 -39,720,697 -146,882 -19,431,370 -9,834,627 -10,440,958 -3,369,800 -19,122,017 -14,659,065 -5,195,053  -4,065,964 -21,826,216 -15,011,162                            
          sale of registered stock, net of costs
                                                                                                   
          distribution to noncontrolling interest holder
                                                                                                   
          income taxes paid
                                    74,000 -129,000 1,429,000     357,000    -7,000 7,000 50,000 -88,300 13,200 57,100   113,700 -122,000 197,000 23,000 24,000 17,000 122,000 11,000 10,000 200,000 480,000 412,000 176,000 236,000 45,000 45,000 54,000 94,000                    
          write-off of inventory
                                                                                                   
          cash paid for equity investment
                                    -1,000,000                                                            
          sale of registered stock
                                 -90,000 678,531 7,450,000                                                                
          issuance costs included in accounts payable and accrued expenses
                                  -50,000 140,000                                                                
          cash paid for interest
                                                                                                   
          cash paid for acquisition, net of cash acquired
                                        -442,650 -3,247,397                                                        
          sale of unregistered stock
                                                                                                 
          changes in assets and liabilities, net of acquired assets and liabilities:
                                                                                                   
          net decrease in cash and cash equivalents
                                 -3,376,827                                                                  
          net gain on investment transactions
                                                                                                  
          proceeds from sale of investments
                                                1,246,897 629,819 5,460,399 1,869,804        856,170                               
          proceeds from sale of iii-v product line
                                            15,000,000         188,020 55,000,000                                        
          proceeds from sale of property and plant
                                                                                                 
          foreign currency (gains) losses
                                       -218,943                                                            
          1.
                                                                                                   
          loss on disposal of equipment
                                                                                                   
          gain on sale of property and plant
                                                                                                 
          proceeds from exercise of stock options and warrants
                                                -1                                                  
          unrealized gain on warrant
                                         -274,000                                                        
          net increase in cash and equivalents
                                         -4,658,739 12,148,227 2,570,571  -4,814,027 -1,822,902 7,867,442  -1,500,018    3,743,756 -1,506,283 -1,945,056   -6,052,384 11,716,549    296,456    -11,840,908    5,036,757 4,728,035 -5,743,506   15,922,132        3,450,804 -1,881,214   9,908,513 -5,061,604    -866,107 1,323,152 -8,334,794 -7,209,223 235,664  
          cash and equivalents:
                                                                                                   
          accretion (amortization) of premium or discount on marketable debt securities
                                           27,256  26,021 40,290 37,971  -11,214              -82,424                                    
          deposits on property and plant held for sale
                                               791,623                                                    
          supplemental schedule of noncash investing activities:
                                                                                                   
          losses in unconsolidated affiliates
                                                            87,107 202,278                                      
          gain on sale of equipment
                                                                                                   
          impairment of investments
                                                                                                   
          proceeds from sale of equipment
                                                                                       1,500,000        
          treasury stock purchases
                                                    -298,619 -2,005,133 -3,755,978   -2,183,492 -1,272,037 -1,354,470 -1,152,832 -1,339,679 -567,645 -1,338,526    -4,411,978 -887,473         -326,802 -1,888,961 -2,178,472 -2,539,664 -368,826 -1,683,717 -3,720,281 -954,891        
          net decrease in cash and equivalents
                                                   -2,174,865     -8,533,727    1,872,148 -5,896,957   2,931,821 6,992,931    4,163,008      -3,647,977   2,773,518 -1,030,098  -3,453,034 -616,818 -4,515,394    -2,094,540    -1,152,783        
          beginning of year
                                                                                                   
          end of year
                                                                                                   
          gain on sale of investments
                                                 -357,202 -5,460,399 -2,142,421                 -1,835,912 -761,593                            
          non cash proceeds from exercise of warrants
                                                 1,330,000                                                
          impairment of intangible assets and goodwill
                                                                                                   
          gain on sale of iii-v product line
                                                                                                   
          cash paid to acquire emdt, net of cash acquired
                                                                                                 
          purchases of cost based investment
                                                                                                   
          purchase of noncontrolling interest in kowon
                                                        -3,662,400                                        
          non-cash proceeds from sale of iii-v product line
                                                          33,000 14,800,000                                        
          loss in unconsolidated affiliate
                                                     102,305  225,409 83,697 99,088    156,295                                    
          impairment of equity and cost based investments
                                                                                                  
          sale of equipment included in accounts receivable
                                                                                                   
          amortization of premium or discount on marketable debt securities
                                                   20,645  23,703 19,541 17,300  278,002 -37,156 -29,025  -80,539                                      
          proceeds from exercise of stock options
                                                    9,372 128,441         61,945 10,500 5,625 1,125 29,494 104,156 9,375      279,878 242,684 213,291 64,471 663,246 535,698 30,752 51,750 24,821 26,571 41,831 196,339 230,929 1,131,886 -69,409 
          loss on remeasurement of investment in intoware
                                                                                                   
          cash included in current assets held for sale
                                                                                                   
          cash paid to acquire intoware and fdd, net of cash acquired
                                                                                                   
          gain on the sale of equipment
                                                                                                   
          gain from sale of iii-v product line
                                                         -33,452,176                                        
          purchases of cost based investments
                                                         -700,000 -2,750,278                                        
          settlement of restricted stock for tax withholding obligations
                                                         -11,449                                        
          impairment of cost based investment
                                                         2,485,393                                        
          impairment on marketable debt securities
                                                                        -1 926,630                        
          release of valuation allowance on deferred tax assets
                                                                                                   
          loss on remeasurement of investment in ikanos
                                                                                                   
          cash paid to acquire ikanos, net of cash acquired
                                                                                                  
          cash paid to acquire fdd, net of cash acquired
                                                            94,351                                    
          investment in ktc as controlling interest was acquired
                                                                                                   
          issuance of ktc shares to noncontrolling interest
                                                                                                   
          net gain on sale of investments
                                                             -856,170                                    
          impairment on investments
                                                                                                   
          deferred income tax asset
                                                             147,820 300,144 281,226                                    
          impairment of marketable debt securities
                                                                                                   
          change in inventory reserves
                                                             121,002    137,264 -112,897 384,533  289,520 -284,753 553,503                           
          purchase of investments
                                                             -1,000,000 -1,249,784                                    
          change in other non-cash items
                                                               350,770                  -198,214 214,814 -85,355               
          gain on loans to ktc
                                                                                                   
          gain on remeasurement of investment in ktc
                                                                                                   
          net cash received from ktc equity interest investment
                                                                                                   
          purchase of cost based investment
                                                                                                   
          proceeds from sale of property and equipment
                                                                                                   
          accretion of discount on marketable debt securities
                                                                 -27,943 -53,979 -28,240                                
          equity loss in unconsolidated affiliate
                                                                 49,596         142,016 148,642   142,040 23,861  113,637                  
          accounts payable, accrued expenses and other accrued liabilities
                                                                 820,775 -83,921 -4,985,822                                
          proceeds from sale and maturity of marketable debt securities
                                                                 21,875,212 9,953,281 5,044,286  14,056,666 8,102,421 16,066,169                            
          investment in forth dimension displays, net of cash acquired
                                                                 -84,912 -9,999,395                                
          depreciation
                                                                   1,927,031 1,499,334 1,368,568 1,847,003 1,850,460 1,472,597 1,506,793                          
          equity losses in unconsolidated affiliate
                                                                   110,639   89,858 92,728                            
          proceeds from sale of investment
                                                                       2,151,142                            
          loss on disposal of unconsolidated affiliate
                                                                                                   
          loss on loans to ktc
                                                                                                  
          (gain) on remeasurement of investment in ktc
                                                                                                   
          purchase of marketable securities
                                                                        -6,801,212 -12,000,990 -10,769,170 -19,140,898 -7,027,653 -8,351,809 -4,495,598 -11,756,249                    
          cash paid to acquire ktc equity interest, net of cash acquired
                                                                                                   
          loans to unconsolidated affiliate
                                                                                                   
          amortization of premium (accretion of discount) on marketable debt securities
                                                                     166,973 -64,482 -19,630                            
          equity losses in unconsolidated affiliates
                                                                                   45,608   106,380 271,723  18,515 149,508        
          accounts receivable and unbilled
                                                                                                   
          cash paid to acquire ktc equity interest, net of ktc cash acquired
                                                                                                   
          proceeds from disposal of property, plant and equipment
                                                                                                   
          investment in ktc after controlling interest was acquired
                                                                                                   
          construction in progress included in accounts payable
                                                                                                   
          accounts receivable and unbilled receivables
                                                                                                   
          investment in kowon
                                                                                                   
          amortization of premium on marketable debt securities
                                                                         -395,829 113,867 40,211  17,061 41,435 68,040                    
          impairment on kenet
                                                                                                   
          net cash from in operating activities
                                                                                                   
          notes receivable from unconsolidated affiliate
                                                                              -300,000 -700,000                    
          net cash from (used) in operating activities
                                                                          4,935,308 7,262,846                        
          non cash change in estimates
                                                                           223,134                        
          minority interest in income of subsidiary
                                                                            86,354 235,154 207,927 153,718  247,200 -18,121 3,582  -144,818 -80,852 -168,810 9,269 267,687 114,059 43,947 -325,143 124,108 202,366 104,678 214,934 166,589 202,553 
          loan loss reserve unconsolidated affiliate
                                                                                                   
          deferred tax asset
                                                                                                  
          proceeds from insurance
                                                                                                   
          investments in equity and cost based affiliates
                                                                                                   
          impairment on unconsolidated affiliates and marketable debt securities
                                                                                                   
          loans to unconsolidated affiliates
                                                                                                   
          impairment charge
                                                                                        517,902        
          provision for excess and obsolete inventory
                                                                                                   
          foreign currency translation adjustment
                                                                                                   
          provision for excess and obselete inventory
                                                                               253,509                    
          minority interest in (losses) income of subsidiary
                                                                                                   
          cumulative effect of accounting change
                                                                                                  
          investments in equity and cost basis affiliates
                                                                                                   
          amortization of interest premium or discount
                                                                                 57,454 50,422 44,200  47,981 98,945 45,244 31,099 -23,102 89,402 104,233        
          net gain on investment activity
                                                                                                   
          investment in kobrite and other equity investments
                                                                                    -2,452,063              
          cash paid during the period for income taxes
                                                                                 28,000 21,000 41,000  126,632 102,368 243,000            
          stock based compensation
                                                                                      548,063 615,229            
          net cash from in financing activities
                                                                                                   
          net cash from provided by operating activities
                                                                                   -1,348,741                
          net cash from by investing activities
                                                                                   -3,251,230                
          net loss on investment activity
                                                                                                 505,546  
          loss on equipment disposal
                                                                                                   
          amortization of deferred compensation
                                                                                        761,888 180,740 172,661 182,997 122,713 130,265 126,132 126,133    
          change in other non cash income items
                                                                                                   
          change in allowance for doubtful accounts
                                                                                                   
          investment in ko-brite joint venture
                                                                                          -3,000,000        
          adjustments to reconcile net loss to net cash (used in) provided by operating activities:
                                                                                                   
          losses in kopin taiwan corp.
                                                                                                   
          equity loss in affiliate
                                                                                             178,411      
          billings in excess of revenues earned
                                                                                             553,980      
          marketable securities
                                                                                             676,715 4,514,888 -3,178,880 -13,280,892 -292,449 -32,228,300 
          equity investment
                                                                                             -100      
          purchase of minority interest in consolidated subsidiary
                                                                                                  
          common stock repurchased
                                                                                                   
          cash and equivalents, beginning of period
                                                                                                 
          cash and equivalents, end of period
                                                                                             -866,107    235,664  
          equity in loss in affiliate
                                                                                               300,000    
          adjustments to reconcile net loss to net cash from (used in) operating activities:
                                                                                                   
          facility closure charge
                                                                                                   
          net proceeds from issuance of common stock
                                                                                                   
          principal payments on long-term obligations
                                                                                                   
          supplementary cash flow information:
                                                                                                   
          interest paid in cash
                                                                                                   
          amortization of compensation from stock option grants
                                                                                                   
          in-process research and development costs
                                                                                                   
          unearned revenue
                                                                                                   
          investments
                                                                                                   
          supplementary cash flow information—
                                                                                                   
          amortization of stock option compensation
                                                                                                   
          intangible assets
                                                                                                   
          principal payment on long-term obligations
                                                                                                   
          supplementary information—interest paid in cash
                                                                                                   
          amortization of compensation relating to grant of stock options
                                                                                                   
          prepaid expenses, refundable taxes and other current assets
                                                                                                   
          repurchase of common stock