7Baggers

Vicor Corporation
(NASDAQ:VICR) 

VICR stock logo

Vicor Corporation, together with its subsidiaries, designs, develops, manufactures, and markets modular power components and power systems for converting electrical power in the United States, Europe, the Asia Pacific, and internationally. The company offers a range of brick-format DC-DC converters;...

Founded: 1981
Full Time Employees: 993
Sector: Technology
Industry: Electronic Components

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 
                                                                                             
      product revenue
    98,004,000 92,720,000 88,698,000 85,693,000 83,206,000                                                                                     
      royalty revenue
    14,965,000 14,544,000 21,725,000 10,353,000 10,762,000                                                                                     
      total net revenues
    112,969,000                                                                                         
      cost of product revenues
    50,603,000 47,841,000 46,910,000 48,918,000 49,603,000                                                                                     
      gross margin
    62,366,000 59,423,000 63,513,000 92,128,000 44,365,000 50,360,000 45,744,000 42,771,000 45,123,000 47,344,000 55,878,000 55,173,000 46,534,000 49,139,000 46,970,000 46,849,000 37,601,000 40,816,000 42,813,000 49,871,000 44,700,000 40,451,000 33,347,000 30,318,000 27,331,000 29,761,000 33,002,000 29,117,000 31,086,000 33,873,000 39,004,000 35,883,000 30,211,000 26,931,000 25,143,000 25,930,000 23,652,000 21,499,000 25,923,000 24,471,000 19,316,000 22,831,000 21,286,000 26,510,000 28,891,000 26,116,000 25,550,000 22,662,000 22,792,000 23,431,000 22,980,000 18,461,000 16,607,000 20,125,000 22,953,000 24,106,000 24,467,000 24,491,000 24,440,000 27,309,000 30,454,000 32,984,000 32,473,000 25,739,000 23,324,000 22,497,000 20,668,000 22,598,000 21,831,000 20,809,000 21,903,000 21,113,000 22,460,000 21,279,000 17,904,000 19,599,000 20,227,000 19,674,000 19,951,000 21,109,000 17,045,000 12,909,500 19,014,000 15,579,000 17,045,000 12,152,750 16,231,000 17,380,000 15,000,000 
      yoy
    40.57% 18.00% 38.84% 115.40% -1.68% 6.37% -18.14% -22.48% -3.03% -3.65% 18.97% 17.77% 23.76% 20.39% 9.71% -6.06% -15.88% 0.90% 28.39% 64.49% 63.55% 35.92% 1.05% 4.12% -12.08% -12.14% -15.39% -18.86% 2.90% 25.78% 55.13% 38.38% 27.73% 25.27% -3.01% 5.96% 22.45% -5.83% 21.78% -7.69% -33.14% -12.58% -16.69% 16.98% 26.76% 11.46% 11.18% 22.76% 37.24% 16.43% 0.12% -23.42% -32.12% -17.83% -6.08% -11.73% -19.66% -25.75% -24.74% 6.10% 30.57% 46.62% 57.12% 13.90% 6.84% 8.11% -5.64% 7.03% -2.80% -2.21% 22.34% 7.72% 11.04% 8.16% -10.26% -7.15% 18.67% 52.40% 4.93% 35.50% 0.00% 6.23% 17.15% -10.36% 13.63%     
      qoq
    4.95% -6.44% -31.06% 107.66% -11.90% 10.09% 6.95% -5.21% -4.69% -15.27% 1.28% 18.56% -5.30% 4.62% 0.26% 24.60% -7.88% -4.66% -14.15% 11.57% 10.50% 21.30% 9.99% 10.93% -8.17% -9.82% 13.34% -6.33% -8.23% -13.16% 8.70% 18.77% 12.18% 7.11% -3.04% 9.63% 10.01% -17.07% 5.93% 26.69% -15.40% 7.26% -19.71% -8.24% 10.63% 2.22% 12.74% -0.57% -2.73% 1.96% 24.48% 11.16% -17.48% -12.32% -4.78% -1.48% -0.10% 0.21% -10.51% -10.33% -7.67% 1.57% 26.16% 10.35% 3.68% 8.85% -8.54% 3.51% 4.91% -4.99% 3.74% -6.00% 5.55% 18.85% -8.65% -3.10% 2.81% -1.39% -5.49% 23.84% 32.03% -32.11% 22.05% -8.60% 40.26% -25.13% -6.61% 15.87%  
      operating expenses:
                                                                                             
      selling, general and administrative
    23,192,000 23,195,000 22,747,000 27,952,000 25,137,000 24,171,000 23,398,000 23,318,000 25,999,000 22,694,000 22,422,000 20,375,000 20,223,000 24,942,000 22,719,000 20,035,000 18,568,000 18,619,000 17,322,000 16,589,000 16,954,000 16,127,000 15,212,000 15,455,000 16,369,000 16,711,000 15,443,000 15,030,000 15,373,000 15,731,000 15,280,000 15,814,000 15,399,000 15,033,000 14,500,000 14,536,000 14,023,000 14,032,000 13,312,000 14,315,000 14,016,000 14,982,000 13,383,000 15,086,000 14,862,000 15,830,000 17,354,000 17,033,000 17,980,000 16,917,000 14,478,000 15,455,000 13,887,000 14,405,000 13,425,000 13,665,000 14,160,000 13,767,000 13,072,000 13,022,000 14,180,000 13,310,000 12,166,000 12,061,000 11,880,000 11,465,000 11,625,000 12,019,000 12,823,000 14,476,000 13,703,000 13,975,000 14,052,000 12,429,000 12,314,000 12,163,000 12,013,000 12,641,000 11,225,000 11,657,000 10,104,000 10,426,000 10,144,000 10,137,000 10,104,000 10,186,000 10,141,000 10,607,000 10,178,000 
      research and development
    22,290,000 20,543,000 19,859,000 18,791,000 19,377,000 16,984,000 16,960,000 16,939,000 18,039,000 17,301,000 17,752,000 16,935,000 15,869,000 16,078,000 14,747,000 15,516,000 14,253,000 13,296,000 13,519,000 13,273,000 13,026,000 12,719,000 12,032,000 12,830,000 13,335,000 12,155,000 11,507,000 11,706,000 11,220,000 11,066,000 10,691,000 11,403,000 11,126,000 11,442,000 10,543,000 11,932,000 11,007,000 10,024,000 10,338,000 10,757,000 10,729,000 10,301,000 10,121,000 10,631,000 10,419,000 10,240,000 10,345,000 10,643,000 10,251,000 10,148,000 9,857,000 9,988,000 9,855,000 9,937,000 9,232,000 9,732,000 9,843,000 9,516,000 9,694,000 9,903,000 9,854,000 9,151,000 8,925,000 9,037,000 8,868,000 8,443,000 7,831,000 7,611,000 7,751,000 8,006,000 7,801,000 8,080,000 7,511,000 7,570,000 7,735,000 7,667,000 7,400,000 7,850,000 7,961,000 8,028,000 7,096,000 7,400,000 7,590,000 7,380,000 7,096,000 7,057,000 6,706,000 6,505,000 5,943,000 
      total operating expenses
    45,482,000 43,738,000 42,606,000 46,743,000 44,514,000 41,155,000 40,358,000 42,557,000 61,238,000 39,995,000 40,174,000 37,310,000 36,092,000 41,020,000 43,966,000 35,551,000 32,821,000 31,915,000 30,841,000 29,862,000 29,980,000 28,846,000 27,244,000 28,285,000 29,704,000 28,866,000 26,950,000 26,736,000 26,593,000 26,859,000 25,961,000 27,567,000 26,525,000 26,475,000 25,043,000 26,468,000 25,030,000 24,056,000 23,650,000 25,072,000 24,745,000 25,283,000 23,504,000 25,717,000 25,281,000 26,294,000 29,682,000 27,676,000 28,231,000 27,065,000 24,335,000 25,443,000 25,103,000 24,379,000 22,657,000 23,397,000 24,003,000 23,283,000 22,766,000 22,925,000 24,034,000 22,461,000 21,091,000 21,098,000 20,748,000 19,924,000 18,736,000 20,489,000 23,672,000 22,482,000 21,504,000 21,878,000 21,563,000 19,999,000 20,049,000 18,477,000 19,413,000 57,691,000 19,186,000 19,685,000 17,200,000 12,550,250 17,734,000 15,267,000 17,200,000 12,520,000 16,847,000 17,112,000 16,121,000 
      income from operations
    16,884,000 15,685,000 20,907,000 45,385,000 -149,000 9,205,000 5,386,000 214,000 -16,115,000 7,349,000 15,704,000 17,863,000 10,442,000 8,119,000 3,004,000 11,298,000 4,780,000 8,901,000 11,972,000 20,009,000 14,720,000 11,605,000 6,103,000 2,033,000 -2,373,000 895,000 6,052,000 2,381,000 4,493,000 7,014,000 13,043,000 8,316,000 3,686,000 456,000 100,000 -538,000 -1,378,000 -2,557,000 2,273,000 -601,000 -5,429,000 -2,452,000 -2,218,000 793,000 3,610,000 -178,000 -4,132,000 -5,014,000 -5,439,000 -3,634,000 -1,355,000 -6,982,000 -8,496,000 -4,254,000 296,000 709,000 464,000 1,208,000 1,674,000 4,384,000 6,420,000 10,523,000 11,382,000 4,641,000 2,576,000 2,573,000 1,932,000 2,109,000 -1,841,000 -1,673,000 399,000 -765,000 897,000 1,280,000 -2,145,000 1,122,000 814,000 -38,017,000 765,000 1,424,000 -155,000 1,943,000 1,280,000 312,000 -155,000 -2,566,000 -616,000 268,000 -1,121,000 
      yoy
    -11431.54% 70.40% 288.17% 21107.94% -99.08% 25.26% -65.70% -98.80% -254.33% -9.48% 422.77% 58.11% 118.45% -8.79% -74.91% -43.54% -67.53% -23.30% 96.17% 884.21% -720.31% 1196.65% 0.84% -14.62% -152.82% -87.24% -53.60% -71.37% 21.89% 1438.16% 12943.00% -1645.72% -367.49% -117.83% -95.60% -10.48% -74.62% 4.28% -202.48% -175.79% -250.39% 1277.53% -46.32% -115.82% -166.37% -95.10% 204.94% -28.19% -35.98% -14.57% -557.77% -1084.77% -1931.03% -452.15% -82.32% -83.83% -92.77% -88.52% -85.29% -5.54% 149.22% 308.98% 489.13% 120.06% -239.92% -253.80% 384.21% -375.69% -305.24% -230.70% -118.60% -168.18% 10.20% -103.37% -380.39% -21.21% -625.16% -2056.61% -40.23% 356.41% 0.00% -175.72% -307.79% 16.42% -86.17%     
      qoq
    7.64% -24.98% -53.93% -30559.73% -101.62% 70.91% 2416.82% -101.33% -319.28% -53.20% -12.09% 71.07% 28.61% 170.27% -73.41% 136.36% -46.30% -25.65% -40.17% 35.93% 26.84% 90.15% 200.20% -185.67% -365.14% -85.21% 154.18% -47.01% -35.94% -46.22% 56.84% 125.61% 708.33% 356.00% -118.59% -60.96% -46.11% -212.49% -478.20% -88.93% 121.41% 10.55% -379.70% -78.03% -2128.09% -95.69% -17.59% -7.81% 49.67% 168.19% -80.59% -17.82% 99.72% -1537.16% -58.25% 52.80% -61.59% -27.84% -61.82% -31.71% -38.99% -7.55% 145.25% 80.16% 0.12% 33.18% -8.39% -214.56% 10.04% -519.30% -152.16% -185.28% -29.92% -159.67% -291.18% 37.84% -102.14% -5069.54% -46.28% -1018.71% -107.98% 51.80% 310.26% -301.29% -93.96% 316.56% -329.85% -123.91%  
      other income, net:
                                                     22,500 50,000 26,000 14,000 47,250 58,000 81,000 50,000 13,250 72,000 186,000 -205,000                             
      total unrealized gains on available-for-sale securities
    46,000 56,000 -178,000 -80,000 23,000 27,500 40,000 -22,000 92,000 -2,750 20,000 -40,000 9,000 70,000  16,000 -103,000 41,000 37,000 20,000 24,000 -74,000 36,000 -2,000 47,000 -66,000 11,000 19,000 20,000 -87,000 32,000 33,000 23,000 -74,000 34,000 39,000 18,000 -72,000 1,000 26,000 27,000 -103,000 15,000 54,000 -15,000 611,000 60,000 40,000 39,000                                         
      less: portion of gains recognized in other comprehensive income
    -46,000    -23,000    -92,000         -19,500 -36,000  -23,000 -19,500 -35,000  -46,000 -11,750 -10,000 -18,000 -19,000 -20,500 -30,000 -31,000                                                          
      net credit gains recognized in earnings
                  1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 2,000 2,000 2,000 2,000 3,000 3,000 3,000 3,000 3,000 3,000 4,000  4,000 4,000 4,000 272,000 19,000 20,000   1,000 -80,000 1,000 -25,000 12,000 1,000                                  
      other income
    3,519,000 3,545,000 2,407,000 3,657,000 3,134,000 2,553,000 3,713,000 2,807,000 2,724,000 3,243,000 1,917,000 1,776,000 1,950,000 1,808,000 -569,000 83,000 161,000 203,000 393,000 372,000 231,000 377,000 333,000 232,000 147,000 392,000 145,000 287,000 238,000 255,000 230,000 -46,000 428,000 266,000 306,000 357,000 322,000 -69,000 208,000 61,000 71,000 14,000 -3,000 35,000 -33,000 -52,000 -83,000 62,000 30,000             -47,000 156,000 424,000 110,000 117,000 245,000 666,000 118,000 -278,000 -230,000 -36,000 755,000 663,000 1,242,000 906,000 1,577,000 305,000 1,318,000 1,409,000 494,000 562,000 261,000 183,000 494,000 779,000 544,000 94,000 215,000 
      total other income
    3,519,000 3,545,000 2,407,000 3,657,000 3,134,000 2,553,000 3,713,000 2,807,000 2,724,000 3,243,000 1,917,000 1,776,000 1,950,000 1,808,000 -568,000 84,000 162,000 204,000 394,000 373,000 232,000 378,000 334,000 233,000 148,000 393,000 146,000 288,000 239,000 256,000 232,000 -44,000 430,000 268,000 309,000 360,000 325,000 -66,000 211,000 64,000 75,000 14,000 1,000 39,000 -29,000 220,000 -64,000 82,000 30,000 -10,000 51,000 -54,000 15,000 -11,000 70,000 82,000 53,000 -2,000  546,000 -198,000 -82,000 87,000 425,000 67,000 120,000 251,000 193,000                      
      income before income taxes
    20,403,000 19,230,000 23,314,000 49,042,000 2,985,000 11,758,000 9,099,000 3,021,000 -13,391,000 10,592,000 17,621,000 19,639,000 12,392,000 9,927,000 2,436,000 11,382,000 4,942,000 9,105,000 12,366,000 20,382,000 14,952,000 11,983,000 6,437,000 2,266,000 -2,225,000 1,288,000 6,198,000 2,669,000 4,732,000 7,270,000 13,275,000 8,272,000 4,116,000 724,000 409,000 -178,000 -1,053,000 -2,623,000 2,484,000 -537,000 -5,354,000 -2,438,000 -2,217,000 832,000 3,581,000 42,000 -4,196,000 -4,932,000 -5,409,000 -3,644,000 -1,304,000 -7,036,000 -8,481,000 -4,265,000 366,000 791,000 517,000 1,206,000 1,674,000 4,930,000 6,222,000 10,441,000 11,469,000 5,066,000 2,643,000 2,693,000 2,183,000 2,302,000 -1,723,000 -1,951,000 169,000 -801,000 1,652,000 1,943,000 -903,000 2,028,000 2,391,000 -37,712,000 2,083,000 2,833,000 339,000 2,505,000 1,541,000 495,000 339,000 -1,787,000 -72,000 362,000 -906,000 
      less: provision for income taxes
    -273,000 -27,303,000 -4,988,000 7,842,000 424,000 1,516,000 -2,455,000               788,000 651,000 -406,000 -494,000 -27,000 266,000 113,000 426,000 363,000 227,000 363,000 134,000 -895,000 371,000 267,000 -99,000 63,000 133,000 13,000 22,000 -775,000 174,000                                               
      consolidated net income
    20,676,000 46,533,000 28,302,000 41,200,000 2,561,000 10,242,000 11,554,000 -1,195,000 -14,462,000 8,664,000 16,583,000 17,102,000 11,251,000 8,061,000 1,795,000 10,580,000 4,990,000 8,899,000 13,252,000 19,383,000 15,095,000 11,195,000 5,786,000 2,672,000 -1,731,000 1,315,000 5,932,000 2,556,000 4,306,000 6,907,000 13,048,000 7,909,000 3,982,000 1,619,000 38,000   -2,686,000 2,351,000 -550,000 -5,376,000 -1,663,000 2,609,000 771,000 3,442,000     -13,020,000 -898,000 -4,600,000 -4,986,000 -4,663,000 280,000 244,000 341,000 761,000 1,175,000 3,204,000 4,169,000 10,918,000 15,869,000 4,747,000 2,005,000 2,496,000 1,990,000 1,758,000 -2,151,000                     
      less: net income attributable to noncontrolling interest
    12,000  10,000 8,000 22,000 3,500 2,000 1,000 11,000 2,250 1,000 1,000 7,000 -1,000 3,000  -9,000 19,000 -7,000 -11,000 3,000 2,000 1,000 5,000 4,000 3,000 -5,000 -7,000 20,000 -3,000 36,000 49,000 39,000 8,000 49,000 14,000 20,000 2,000 15,000 -6,000 -25,000 89,000 106,000 -34,000 71,000 -43,000 5,000 -97,000 -48,000 82,000 34,000 16,000 4,000 151,000 89,000 24,000 15,000 84,000 93,000 138,000 151,000 111,000 50,000  53,000 187,000 299,000 417,000 392,000                     
      net income attributable to vicor corporation
    20,664,000 46,533,000 28,292,000 41,192,000 2,539,000 10,246,000 11,552,000 -1,196,000 -14,473,000 8,668,000 16,582,000 17,101,000 11,244,000 8,062,000 1,792,000 10,593,000 4,999,000 8,880,000 13,259,000 19,394,000 15,092,000 11,193,000 5,785,000 2,667,000 -1,735,000 1,312,000 5,937,000 2,563,000 4,286,000 6,910,000 13,012,000 7,860,000 3,943,000 1,611,000 -11,000   -2,688,000 2,336,000 -544,000 -5,351,000 -1,752,000 2,503,000 805,000 3,371,000     -13,102,000 -932,000 -4,616,000 -4,990,000 -4,814,000 191,000 220,000 326,000 677,000 1,082,000 3,066,000 4,018,000 10,807,000 15,819,000 4,747,000 1,952,000 2,309,000 1,691,000 1,341,000 -2,543,000                     
      net income per common share attributable to vicor corporation:
                                                                                             
      basic
    450 1,030 630 920 60 -22.5 260 -30 -330 252.5 370 390 250 180 40 240 110 200 300 450 350 260 130 60 -40 30 150 60 110 180 320 200 100 -10    -70 60 -10 -140 -40 60 20 90     -330 -20  -120 -120  10  10 30 70 100 260 380 110 50 60 40  -60  10 -30 10 40 10 20 60 -910 60 70  50 40       
      diluted
    440 1,020 630 910 60 -22.5 260 -30 -330 250 370 380 250 180 40 240 110 200 290 430 340 260 130 60 -40 30 140 60 100 170 320 190 100 -10    -70 60 -10 -140 -40 60 20 90     -330 -20  -120 -120  10  10 30 70 100 260 380 110 50 60 40  -60  10 -30 10 40 10 20 60 -910 60 70  50 40       
      shares used to compute net income per common share attributable to vicor corporation:
                                                                                             
      basic
    45,470,000 54,000 44,734,000 45,007,000 45,217,000 11,207,250 45,117,000 44,855,000 44,516,000 11,068,750 44,433,000 44,230,000 44,162,000 19,000 44,031,000 43,973,000 43,952,000 78,000 43,710,000 43,553,000 43,455,000 372,000 43,164,000 41,643,000 40,635,000 51,000 40,332,000 40,275,000 40,229,000 103,000 40,120,000 39,709,000 39,479,000 51,000 39,288,000 39,172,000 39,070,000 31,000 38,837,000 38,801,000 38,794,000 12,000 38,786,000 38,750,000 38,689,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,189 41,811 41,811 41,811 41,755,207 41,810 41,798 41,771 41,658,318 41,693 41,686 41,666 10,416.25 41,665 41,665 41,665 41,660 41,643 41,636 11 41,617 41,576 41,565 -93 41,703 42,144 41,980 27 41,912 41,795 41,980 10,505.25 42,098 42,049 41,917 
      diluted
    47,254,000 283,000 44,930,000 45,077,000 45,495,000 11,207,250 45,174,000 44,855,000 44,516,000 11,250,000 45,187,000 44,906,000 44,907,000 -12,000 44,898,000 44,866,000 44,954,000 61,000 45,034,000 44,841,000 44,841,000 302,000 44,743,000 43,385,000 40,635,000 242,000 42,194,000 41,081,000 41,029,000 84,000 41,124,000 40,646,000 40,167,000 756,000 39,288,000 39,172,000 39,070,000 31,000 39,184,000 38,801,000 38,794,000 -30,000 39,086,000 39,293,000 39,149,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,182 41,815 41,812 41,826 41,814,135 41,851 41,887 41,859 41,730,258 41,774 41,752 41,700 10,417 41,675 41,665 41,665 41,685 41,643 41,675 30 41,715 41,641 41,614 -373 41,771 42,482 42,115 40 42,093 41,938 42,115 10,505.25 42,098 42,344 41,917 
      patent litigation settlement
       45,000,000                                                                                      
      total net revenues and patent litigation settlement
     107,264,000 110,423,000 141,046,000                                                                                      
      litigation-contingency expense
           2,300,000 17,200,000                                                                                 
      less: portion of losses recognized in other comprehensive income
     58,750 178,000 80,000  -27,500 -40,000 22,000  2,750 -20,000 40,000 -9,000 22,500 1,000 -15,000 104,000   -19,000    3,000                                                                  
      net revenues
        93,968,000 96,166,000 93,166,000 85,854,000 83,872,000 92,652,000 107,844,000 106,747,000 97,816,000 105,493,000 103,118,000 102,186,000 88,282,000 90,281,000 84,911,000 95,376,000 88,796,000 84,302,000 78,112,000 70,761,000 63,401,000 63,125,000 70,772,000 63,355,000 65,725,000 73,720,000 78,035,000 74,196,000 65,269,000 58,771,000 56,888,000 57,709,000 54,462,000 48,085,000 53,227,000 52,941,000 46,027,000 51,394,000 48,664,000 56,119,000 64,017,000 60,735,000 58,402,000 53,361,000 53,233,000 55,258,000 55,091,000 46,865,000 41,946,000 50,424,000 52,948,000 55,467,000 59,668,000 58,551,000 58,560,000 65,402,000 70,455,000 72,975,000 68,672,000 57,377,000 51,709,000 49,138,000 47,746,000 50,627,000 50,448,000 51,324,000 51,278,000 49,297,000 53,469,000 53,947,000 47,693,000 47,206,000 46,981,000 48,033,000 46,932,000 49,210,000 43,180,000         
      cost of revenues
         32,313,500 47,422,000 43,083,000 38,749,000 45,308,000 51,966,000 51,574,000 51,282,000 56,354,000 56,148,000 55,337,000 50,681,000 49,465,000 42,098,000 45,505,000 44,096,000 43,851,000 44,765,000 40,443,000 36,070,000 33,364,000 37,770,000 34,238,000 34,639,000 39,847,000 39,031,000 38,313,000 35,058,000 31,840,000 31,745,000 31,779,000 30,810,000 26,586,000 27,304,000 28,470,000 26,711,000 28,563,000 27,378,000 29,609,000 35,126,000 34,619,000 32,852,000 30,699,000 30,441,000 31,827,000 32,111,000 28,404,000 25,339,000 30,299,000 29,995,000 31,361,000 35,201,000 34,060,000 34,120,000 38,093,000 40,001,000 39,991,000 36,199,000 31,638,000 28,385,000 26,641,000 27,078,000 28,029,000 28,617,000 30,515,000 29,375,000 28,184,000 31,009,000 32,668,000 29,789,000 27,607,000 26,754,000 28,359,000 26,981,000 28,101,000 26,135,000 26,525,000 26,284,000 29,000,000 26,135,000 25,960,000 26,817,000 27,994,000 27,521,000 
      provision for income taxes
           4,216,000 1,071,000 1,179,000 1,038,000 2,537,000 1,141,000   802,000  -7,500 -886,000 999,000                        61,000 139,000    17,000 9,376,000 -406,000 -2,436,000 -3,495,000 398,000 86,000 547,000 176,000 445,000 499,000 1,726,000 2,053,000 -477,000 -4,400,000 319,000 638,000 197,000 193,000 544,000 428,000 911,000 -527,000 350,000 242,000 314,000 -1,616,000 298,000 -11,000 438,000 -379,000 -41,000 300,000 425,000 -167,000 406,000 300,000   -301,000 -284,000 
      litigation-related
                  6,500,000                                                                           
      provision for income (benefit) taxes
                 348,750 641,000                                                                           
      less: net loss attributable to
                                                                                             
      noncontrolling interest
                   -13,000                                                                          
      benefit for income taxes
                    -48,000    -143,000                         -127,500 -527,000                                       -271,250 -500,000   
      severance and other charges
                                 62,000 -10,000               224,000 1,983,000                                           
      severance charge
                                   350,000                                     3,098,000                     
      portion of losses recognized in other comprehensive income
                                    -21,000 -20,500 -31,000   -11,000 2,000      19,000    -39,000 157,000 -64,000 -66,000 -51,000                                     
      portion of gains recognized in other comprehensive income
                                       -36,000 -15,000   -23,000 -23,000 103,000 -11,000 -50,000  -339,000 -41,000 -20,000                                          
      consolidated net incomes
                                       -445,000 -954,000         -43,000 -3,669,000 -4,932,000 -5,426,000                                         
      net loss attributable to vicor corporation
                                       -459,000 -974,000          -3,674,000 -4,835,000 -5,378,000                                         
      net loss per common share attributable to vicor corporation:
                                                                                             
      basic
                                       -10 -20          -100 -130 -140                                     -10 -10  -30 
      diluted
                                       -10 -20          -100 -130 -140                                     -10 -10  -30 
      shares used to compute net loss per common share attributable to vicor corporation:
                                                                                             
      basic
    45,470,000 54,000 44,734,000 45,007,000 45,217,000 11,207,250 45,117,000 44,855,000 44,516,000 11,068,750 44,433,000 44,230,000 44,162,000 19,000 44,031,000 43,973,000 43,952,000 78,000 43,710,000 43,553,000 43,455,000 372,000 43,164,000 41,643,000 40,635,000 51,000 40,332,000 40,275,000 40,229,000 103,000 40,120,000 39,709,000 39,479,000 51,000 39,288,000 39,172,000 39,070,000 31,000 38,837,000 38,801,000 38,794,000 12,000 38,786,000 38,750,000 38,689,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,189 41,811 41,811 41,811 41,755,207 41,810 41,798 41,771 41,658,318 41,693 41,686 41,666 10,416.25 41,665 41,665 41,665 41,660 41,643 41,636 11 41,617 41,576 41,565 -93 41,703 42,144 41,980 27 41,912 41,795 41,980 10,505.25 42,098 42,049 41,917 
      diluted
    47,254,000 283,000 44,930,000 45,077,000 45,495,000 11,207,250 45,174,000 44,855,000 44,516,000 11,250,000 45,187,000 44,906,000 44,907,000 -12,000 44,898,000 44,866,000 44,954,000 61,000 45,034,000 44,841,000 44,841,000 302,000 44,743,000 43,385,000 40,635,000 242,000 42,194,000 41,081,000 41,029,000 84,000 41,124,000 40,646,000 40,167,000 756,000 39,288,000 39,172,000 39,070,000 31,000 39,184,000 38,801,000 38,794,000 -30,000 39,086,000 39,293,000 39,149,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,182 41,815 41,812 41,826 41,814,135 41,851 41,887 41,859 41,730,258 41,774 41,752 41,700 10,417 41,675 41,665 41,665 41,685 41,643 41,675 30 41,715 41,641 41,614 -373 41,771 42,482 42,115 40 42,093 41,938 42,115 10,505.25 42,098 42,344 41,917 
      gain from sale of equity method investment, net of tax
                                              5,000,000                                               
      shares used to compute net loss per share attributable to vicor corporation:
                                                                                             
      basic
    45,470,000 54,000 44,734,000 45,007,000 45,217,000 11,207,250 45,117,000 44,855,000 44,516,000 11,068,750 44,433,000 44,230,000 44,162,000 19,000 44,031,000 43,973,000 43,952,000 78,000 43,710,000 43,553,000 43,455,000 372,000 43,164,000 41,643,000 40,635,000 51,000 40,332,000 40,275,000 40,229,000 103,000 40,120,000 39,709,000 39,479,000 51,000 39,288,000 39,172,000 39,070,000 31,000 38,837,000 38,801,000 38,794,000 12,000 38,786,000 38,750,000 38,689,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,189 41,811 41,811 41,811 41,755,207 41,810 41,798 41,771 41,658,318 41,693 41,686 41,666 10,416.25 41,665 41,665 41,665 41,660 41,643 41,636 11 41,617 41,576 41,565 -93 41,703 42,144 41,980 27 41,912 41,795 41,980 10,505.25 42,098 42,049 41,917 
      diluted
    47,254,000 283,000 44,930,000 45,077,000 45,495,000 11,207,250 45,174,000 44,855,000 44,516,000 11,250,000 45,187,000 44,906,000 44,907,000 -12,000 44,898,000 44,866,000 44,954,000 61,000 45,034,000 44,841,000 44,841,000 302,000 44,743,000 43,385,000 40,635,000 242,000 42,194,000 41,081,000 41,029,000 84,000 41,124,000 40,646,000 40,167,000 756,000 39,288,000 39,172,000 39,070,000 31,000 39,184,000 38,801,000 38,794,000 -30,000 39,086,000 39,293,000 39,149,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,182 41,815 41,812 41,826 41,814,135 41,851 41,887 41,859 41,730,258 41,774 41,752 41,700 10,417 41,675 41,665 41,665 41,685 41,643 41,675 30 41,715 41,641 41,614 -373 41,771 42,482 42,115 40 42,093 41,938 42,115 10,505.25 42,098 42,344 41,917 
      severance charges
                                                        1,361,000             16,000 126,000 859,000                      
      total unrealized gains on available-for-sale securities, net of unrealized losses
                                                     25,750 65,000 -14,000 52,000 -70,000 351,000 6,000 224,000                                 
      shares used to compute net income per share attributable to vicor corporation:
                                                                                             
      basic
    45,470,000 54,000 44,734,000 45,007,000 45,217,000 11,207,250 45,117,000 44,855,000 44,516,000 11,068,750 44,433,000 44,230,000 44,162,000 19,000 44,031,000 43,973,000 43,952,000 78,000 43,710,000 43,553,000 43,455,000 372,000 43,164,000 41,643,000 40,635,000 51,000 40,332,000 40,275,000 40,229,000 103,000 40,120,000 39,709,000 39,479,000 51,000 39,288,000 39,172,000 39,070,000 31,000 38,837,000 38,801,000 38,794,000 12,000 38,786,000 38,750,000 38,689,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,189 41,811 41,811 41,811 41,755,207 41,810 41,798 41,771 41,658,318 41,693 41,686 41,666 10,416.25 41,665 41,665 41,665 41,660 41,643 41,636 11 41,617 41,576 41,565 -93 41,703 42,144 41,980 27 41,912 41,795 41,980 10,505.25 42,098 42,049 41,917 
      diluted
    47,254,000 283,000 44,930,000 45,077,000 45,495,000 11,207,250 45,174,000 44,855,000 44,516,000 11,250,000 45,187,000 44,906,000 44,907,000 -12,000 44,898,000 44,866,000 44,954,000 61,000 45,034,000 44,841,000 44,841,000 302,000 44,743,000 43,385,000 40,635,000 242,000 42,194,000 41,081,000 41,029,000 84,000 41,124,000 40,646,000 40,167,000 756,000 39,288,000 39,172,000 39,070,000 31,000 39,184,000 38,801,000 38,794,000 -30,000 39,086,000 39,293,000 39,149,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,182 41,815 41,812 41,826 41,814,135 41,851 41,887 41,859 41,730,258 41,774 41,752 41,700 10,417 41,675 41,665 41,665 41,685 41,643 41,675 30 41,715 41,641 41,614 -373 41,771 42,482 42,115 40 42,093 41,938 42,115 10,505.25 42,098 42,344 41,917 
      net income per common share attributable to
                                                                                             
      vicor corporation:
                                                                                             
      basic
                                                       -120     10           30                      
      diluted
                                                       -120     10           30                      
      cash dividends per share
                                                             0.038 0.15   0.075 0.3        0.15    0.15     0.15   0.12    0.08   
      portion of loss recognized in other comprehensive income
                                                         -141,250 -339,000   -218,500 53,000 -807,000 -120,000   -120,000 436,000                         
      portion of gain recognized in other comprehensive income
                                                           -5,000 -221,000     -55,750 -476,000   130,000 -177,000 -1,342,000                      
      net impairment gains recognized in earnings
                                                            3,000 7,000 -72,000 360,000 7,000 -27,750 -69,000 1,000  -116,750 6,000                       
      total other than temporary impairment losses on available-for-sale securities, net of settlement gains
                                                             292,250 -125,000                               
      total other than temporary impairment gains on available-for-sale securities
                                                               1,167,000 127,000 -383,000 407,000 121,000 -479,000 -127,000 183,000 869,000                      
      gain from litigation-related and other settlements
                                                                      -846,000                       
      cash dividends declared per share
                                                                   0.3         0.15    0.15 0.068            
      net impairment losses recognized in earnings
                                                                    -43,000   -473,000                      
      loss from equity method investment
                                                                            790,000 132,000 170,000 756,000              
      gain from litigation-related settlements
                                                                         -44,250  -177,000                  
      loss from equity method investment, net of tax
                                                                         262,250 87,000 172,000                  
      net income
                                                                         -3,501,000 609,000 -1,323,000 620,000 1,497,000 543,000 974,000 2,402,000 -38,150,000 2,462,000 2,874,000 39,000 2,080,000 1,708,000 89,000 39,000 -2,022,000 -572,000 61,000 -1,190,000 
      yoy
                                                                         -333.87% 12.15% -235.83% -74.19% -103.92% -77.94% -66.11% 6058.97% -1934.13% 44.15% 3129.21% 0.00% -202.87% -398.60% 45.90% -103.28%     
      qoq
                                                                         -674.88% -146.03% -313.39% -58.58% 175.69% -44.25% -59.45% -106.30% -1649.55% -14.34% 7269.23% -98.13% 21.78% 1819.10% 128.21% -101.93% 253.50% -1037.70% -105.13%  
      net income per common share:
                                                                                             
      basic
    450 1,030 630 920 60 -22.5 260 -30 -330 252.5 370 390 250 180 40 240 110 200 300 450 350 260 130 60 -40 30 150 60 110 180 320 200 100 -10    -70 60 -10 -140 -40 60 20 90     -330 -20  -120 -120  10  10 30 70 100 260 380 110 50 60 40  -60  10 -30 10 40 10 20 60 -910 60 70  50 40       
      diluted
    440 1,020 630 910 60 -22.5 260 -30 -330 250 370 380 250 180 40 240 110 200 290 430 340 260 130 60 -40 30 140 60 100 170 320 190 100 -10    -70 60 -10 -140 -40 60 20 90     -330 -20  -120 -120  10  10 30 70 100 260 380 110 50 60 40  -60  10 -30 10 40 10 20 60 -910 60 70  50 40       
      shares used to compute net income per share:
                                                                                             
      basic
    45,470,000 54,000 44,734,000 45,007,000 45,217,000 11,207,250 45,117,000 44,855,000 44,516,000 11,068,750 44,433,000 44,230,000 44,162,000 19,000 44,031,000 43,973,000 43,952,000 78,000 43,710,000 43,553,000 43,455,000 372,000 43,164,000 41,643,000 40,635,000 51,000 40,332,000 40,275,000 40,229,000 103,000 40,120,000 39,709,000 39,479,000 51,000 39,288,000 39,172,000 39,070,000 31,000 38,837,000 38,801,000 38,794,000 12,000 38,786,000 38,750,000 38,689,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,189 41,811 41,811 41,811 41,755,207 41,810 41,798 41,771 41,658,318 41,693 41,686 41,666 10,416.25 41,665 41,665 41,665 41,660 41,643 41,636 11 41,617 41,576 41,565 -93 41,703 42,144 41,980 27 41,912 41,795 41,980 10,505.25 42,098 42,049 41,917 
      diluted
    47,254,000 283,000 44,930,000 45,077,000 45,495,000 11,207,250 45,174,000 44,855,000 44,516,000 11,250,000 45,187,000 44,906,000 44,907,000 -12,000 44,898,000 44,866,000 44,954,000 61,000 45,034,000 44,841,000 44,841,000 302,000 44,743,000 43,385,000 40,635,000 242,000 42,194,000 41,081,000 41,029,000 84,000 41,124,000 40,646,000 40,167,000 756,000 39,288,000 39,172,000 39,070,000 31,000 39,184,000 38,801,000 38,794,000 -30,000 39,086,000 39,293,000 39,149,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,182 41,815 41,812 41,826 41,814,135 41,851 41,887 41,859 41,730,258 41,774 41,752 41,700 10,417 41,675 41,665 41,665 41,685 41,643 41,675 30 41,715 41,641 41,614 -373 41,771 42,482 42,115 40 42,093 41,938 42,115 10,505.25 42,098 42,344 41,917 
      loss from litigation-related settlements
                                                                               -1,353,000              
      gain from litigation-related settlement
                                                                                       -2,250,000      
      net revenues:
                                                                                             
      product
                                                                                     33,264,250 45,298,000 44,579,000 43,180,000 32,642,000 43,048,000 45,374,000 42,146,000 
      license
                                                                                         93,750   375,000 
      net revenues: - sum
                                                                                     33,264,250 45,298,000 44,579,000 43,180,000 32,735,750 43,048,000 45,374,000 42,521,000 
      net loss per common share:
                                                                                             
      basic
                                       -10 -20          -100 -130 -140                                     -10 -10  -30 
      diluted
                                       -10 -20          -100 -130 -140                                     -10 -10  -30 
      shares used to compute net loss per share:
                                                                                             
      basic
    45,470,000 54,000 44,734,000 45,007,000 45,217,000 11,207,250 45,117,000 44,855,000 44,516,000 11,068,750 44,433,000 44,230,000 44,162,000 19,000 44,031,000 43,973,000 43,952,000 78,000 43,710,000 43,553,000 43,455,000 372,000 43,164,000 41,643,000 40,635,000 51,000 40,332,000 40,275,000 40,229,000 103,000 40,120,000 39,709,000 39,479,000 51,000 39,288,000 39,172,000 39,070,000 31,000 38,837,000 38,801,000 38,794,000 12,000 38,786,000 38,750,000 38,689,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,189 41,811 41,811 41,811 41,755,207 41,810 41,798 41,771 41,658,318 41,693 41,686 41,666 10,416.25 41,665 41,665 41,665 41,660 41,643 41,636 11 41,617 41,576 41,565 -93 41,703 42,144 41,980 27 41,912 41,795 41,980 10,505.25 42,098 42,049 41,917 
      diluted
    47,254,000 283,000 44,930,000 45,077,000 45,495,000 11,207,250 45,174,000 44,855,000 44,516,000 11,250,000 45,187,000 44,906,000 44,907,000 -12,000 44,898,000 44,866,000 44,954,000 61,000 45,034,000 44,841,000 44,841,000 302,000 44,743,000 43,385,000 40,635,000 242,000 42,194,000 41,081,000 41,029,000 84,000 41,124,000 40,646,000 40,167,000 756,000 39,288,000 39,172,000 39,070,000 31,000 39,184,000 38,801,000 38,794,000 -30,000 39,086,000 39,293,000 39,149,000 38,530,455 38,552 38,542 38,541 39,155,586 38,538 38,538 41,167 41,769,182 41,815 41,812 41,826 41,814,135 41,851 41,887 41,859 41,730,258 41,774 41,752 41,700 10,417 41,675 41,665 41,665 41,685 41,643 41,675 30 41,715 41,641 41,614 -373 41,771 42,482 42,115 40 42,093 41,938 42,115 10,505.25 42,098 42,344 41,917 
                                                                                             
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 
                                                                                               
        assets
                                                                                               
        current assets:
                                                                                               
        cash and cash equivalents
      404,245,000 402,805,000 362,382,000 338,541,000 296,099,000 277,273,000 267,605,000 251,884,000 239,172,000 242,219,000 227,784,000 203,829,000 192,897,000 190,611,000 182,098,000 187,677,000 191,050,000 182,418,000 178,663,000 159,763,000 127,411,000 161,742,000 203,605,000 196,704,000 82,751,000 84,668,000 81,229,000 71,482,000 66,614,000 70,557,000 68,206,000 53,920,000 42,678,000 44,230,000 48,936,000 51,425,000 52,827,000 56,170,000 55,066,000 54,153,000 59,710,000 62,980,000 68,571,000 65,148,000 59,322,000 55,187,000 53,186,000 50,805,000 50,307,000 56,339,000 61,188,000 60,778,000 71,403,000 84,554,000 84,752,000 82,244,000 78,250,000 71,908,000 66,889,000 69,779,000 56,400,000 49,279,000 46,749,000 46,604,000 41,661,000 40,224,000 35,895,000  25,136,000 22,639,000 25,436,000 33,000,000 34,093,000 20,017,000 49,504,000 30,249,000 32,864,000 36,185,000 28,376,000 30,348,000 25,830,000 34,024,000 46,088,000 55,423,000 36,695,000 36,277,000 38,325,000 42,527,000 41,574,000 
        accounts receivable
      67,402,000  53,252,000 55,085,000 65,864,000  58,525,000 54,857,000 57,604,000  62,638,000 63,818,000 61,061,000  56,287,000 54,536,000 52,659,000  51,080,000                                                                 26,285,000 26,818,000  22,842,000 22,714,000 22,052,000 
        inventories
      94,830,000 91,340,000 92,294,000 95,493,000 98,515,000 106,032,000 105,761,000 109,084,000 112,316,000 106,579,000 104,570,000 106,606,000 107,382,000 101,410,000 94,336,000 83,055,000 73,861,000 67,322,000 63,409,000 57,129,000 54,256,000 57,269,000 58,169,000 55,630,000 53,352,000 49,187,000 49,688,000 54,572,000 51,589,000 47,370,000 43,444,000 41,753,000 38,959,000 36,499,000 33,883,000 30,514,000 27,429,000 27,136,000 26,562,000 26,130,000 24,150,000 23,442,000 26,259,000 25,462,000 24,837,000 26,328,000 28,119,000 29,228,000 29,521,000 29,696,000 27,987,000 28,668,000 29,921,000 29,955,000 30,762,000 30,730,000 31,489,000 35,752,000 36,461,000 36,177,000 35,610,000 35,489,000 29,878,000 25,686,000 21,710,000 21,357,000 22,190,000 24,763,000 25,631,000 26,681,000 27,104,000 26,025,000 25,528,000 23,078,000 21,905,000 23,583,000 22,585,000 22,001,000 20,931,000 19,924,000 18,657,000 17,168,000 18,234,000 20,763,000 24,704,000 26,229,000 26,023,000 23,787,000 23,488,000 
        other current assets
      32,992,000 32,502,000 25,985,000 25,662,000 26,486,000 26,781,000 18,933,000 19,510,000 19,173,000 18,937,000 3,975,000 4,533,000 5,030,000 5,154,000 5,483,000 7,142,000 7,021,000 6,708,000 6,633,000 6,657,000 6,954,000 6,756,000 6,872,000 7,842,000 7,808,000 7,096,000 5,114,000 5,054,000 3,880,000 3,460,000 3,900,000 4,102,000 3,733,000 3,616,000 3,470,000 3,867,000 3,446,000 3,250,000 3,086,000 3,288,000 3,048,000 3,102,000 2,929,000 3,346,000 3,180,000 3,155,000 4,934,000 4,948,000 4,666,000 4,212,000 3,497,000 5,036,000 2,601,000 2,613,000 2,823,000 2,802,000 2,669,000 3,088,000 3,034,000 3,641,000 2,273,000 2,397,000 5,624,000 5,237,000 4,584,000 4,345,000 2,986,000 3,119,000 2,817,000 2,279,000 2,977,000 3,121,000 3,358,000 2,629,000 2,505,000 3,035,000 2,575,000 2,181,000 2,359,000 2,945,000 2,786,000 2,518,000 2,478,000 3,112,000 3,038,000 2,245,000 2,311,000 3,443,000 2,928,000 
        total current assets
      599,469,000 587,363,000 533,913,000 514,781,000 486,964,000 463,034,000 450,824,000 435,335,000 428,265,000 420,366,000 398,967,000 378,786,000 366,370,000 362,604,000 358,153,000 352,331,000 344,594,000 356,760,000 350,002,000 349,030,000 332,037,000 316,932,000 309,782,000 308,678,000 185,190,000 179,066,000 176,018,000 169,645,000 163,788,000 165,060,000 160,602,000 144,831,000 127,004,000 118,832,000 120,100,000 119,898,000 113,680,000 111,772,000 112,740,000 111,579,000 110,257,000 115,506,000 122,479,000 121,131,000 120,211,000 113,478,000 114,258,000 112,823,000 117,037,000 118,524,000 123,241,000 119,779,000 129,225,000 146,063,000 151,858,000 147,189,000 146,003,000 144,334,000 140,690,000 146,608,000 136,578,000 128,154,000 125,369,000 121,240,000 100,035,000 95,447,000 90,443,000 85,768,000 83,950,000 82,756,000 87,277,000 92,731,000 99,608,000 136,961,000 135,391,000 142,958,000 136,417,000 189,669,000 172,411,000 181,392,000 177,485,000  170,591,000 172,362,000 169,880,000  169,158,000 170,919,000 166,133,000 
        long-term deferred tax assets
      27,798,000  275,000 281,000 273,000  288,000 258,000 277,000  341,000 343,000 280,000  260,000 266,000 206,000  221,000 221,000 224,000 226,000 189,000 188,000 206,000 205,000 241,000 241,000 266,000 265,000 184,000 185,000 213,000 210,000 21,000 21,000 39,000 38,000 11,000 11,000 15,000 15,000         9,045,000 7,538,000 7,271,000 3,523,000 2,731,000 3,039,000 2,556,000 2,542,000 2,320,000 1,780,000 1,830,000 2,805,000 222,000                           
        long-term investment
      2,508,000 2,462,000 2,406,000 2,584,000 2,664,000 2,641,000 2,640,000 2,600,000 2,622,000 2,530,000 2,611,000 2,591,000 2,631,000 2,622,000 2,552,000 2,552,000 2,536,000 2,639,000    2,517,000    2,510,000    2,526,000                                                            
        property, plant and equipment
      154,637,000 147,690,000 152,526,000 154,285,000 153,117,000 152,705,000 158,779,000 156,689,000 157,677,000 157,689,000 170,596,000 169,401,000 167,812,000 166,009,000 163,198,000 156,815,000 140,494,000 115,975,000 104,446,000 92,956,000 81,124,000 74,843,000 65,780,000 59,475,000 56,879,000 56,952,000 56,336,000 55,285,000 55,642,000 50,432,000 41,465,000 40,433,000 40,973,000 41,356,000 41,248,000 38,927,000 38,100,000 37,574,000 37,535,000 37,853,000 37,177,000 37,450,000 36,108,000 36,031,000 36,460,000 37,387,000 37,601,000 38,670,000 39,176,000 40,092,000 40,457,000 41,546,000 42,738,000 44,092,000 44,119,000 44,722,000 45,840,000 47,241,000 48,857,000 50,456,000 51,199,000 50,848,000 49,104,000 48,775,000 49,051,000 49,009,000 45,023,000 45,912,000 46,713,000 48,254,000 49,151,000 49,322,000 50,049,000 50,257,000 50,464,000 48,865,000 50,838,000 51,573,000 53,358,000 55,207,000 56,890,000 59,114,000 61,046,000 61,129,000 63,988,000 67,001,000 70,147,000 74,239,000 78,204,000 
        other assets
      20,469,000 20,853,000 21,127,000 21,578,000 22,020,000 22,477,000 20,231,000 18,352,000 16,276,000 14,006,000 11,620,000 9,540,000 7,162,000 5,386,000 2,939,000 1,392,000 1,519,000 1,623,000 1,563,000 1,608,000 1,695,000 1,721,000 1,777,000 1,838,000 1,893,000 1,994,000 2,739,000 2,867,000 2,762,000 2,785,000 2,801,000 2,813,000 2,892,000 2,801,000 2,108,000 2,204,000 2,226,000 2,175,000 2,172,000 2,127,000 1,908,000 1,708,000 1,718,000 1,670,000 1,700,000 1,675,000 1,726,000 1,786,000 1,830,000 1,836,000 1,904,000 1,967,000 2,055,000 2,167,000 4,196,000 4,257,000 4,307,000 4,439,000 4,504,000 4,535,000 4,601,000 4,688,000 4,754,000 4,828,000 4,896,000 4,941,000 5,052,000 4,982,000 4,597,000 4,690,000 5,333,000 5,397,000 5,469,000 5,240,000 5,386,000 5,548,000 6,614,000 6,865,000 8,329,000 8,416,000 9,988,000 10,146,000 10,040,000 10,136,000 9,995,000 9,903,000 9,918,000 8,982,000 9,076,000 
        total assets
      804,881,000 785,831,000 710,247,000 693,509,000 665,038,000 641,118,000 632,762,000 613,234,000 605,117,000 594,887,000 584,135,000 560,661,000 544,255,000 536,901,000 527,102,000 513,356,000 489,349,000 477,205,000 458,830,000 446,376,000 417,621,000 396,239,000 380,119,000 372,734,000 246,725,000 240,727,000 237,910,000 230,603,000 225,004,000 221,068,000 207,665,000 190,843,000 173,630,000 165,724,000 166,076,000 163,615,000 156,571,000 154,067,000 155,038,000 154,149,000 151,910,000 157,545,000 163,275,000 161,787,000 161,273,000 155,542,000 158,719,000 158,274,000 163,088,000 165,640,000 180,878,000                                       
        liabilities and equity
                                                                                               
        current liabilities:
                                                                                               
        accounts payable
      16,733,000 12,290,000 15,391,000 16,805,000 16,866,000 8,737,000 15,724,000 12,269,000 12,439,000 12,100,000 14,146,000 15,325,000 16,790,000 22,207,000 24,004,000 32,032,000 22,572,000 21,189,000 18,346,000 22,081,000 16,365,000 14,121,000 11,911,000 15,647,000 13,440,000 9,005,000 10,329,000 10,819,000 11,177,000 16,149,000 13,106,000 11,219,000 11,396,000 9,065,000 11,508,000 10,542,000 9,090,000 7,588,000 7,965,000 8,858,000 8,232,000 7,470,000 8,803,000 9,397,000 10,111,000 7,932,000 9,336,000 9,221,000 8,148,000 8,677,000 9,772,000 6,300,000 6,473,000 6,812,000 7,551,000 7,181,000 7,728,000 8,151,000 8,732,000 11,619,000 12,794,000 11,999,000 12,879,000 11,613,000 8,923,000 9,458,000 6,625,000 6,142,000 6,577,000 5,592,000 8,745,000 8,260,000 9,338,000 10,062,000 9,843,000 7,115,000 7,505,000 7,273,000 7,728,000 8,372,000 8,032,000 8,741,000 7,438,000 6,723,000 6,916,000 5,806,000 6,920,000 6,559,000 6,498,000 
        accrued compensation and benefits
      13,456,000 12,031,000 13,438,000 13,351,000 12,548,000 10,852,000 12,449,000 12,109,000 11,636,000 11,227,000 11,534,000 12,103,000 11,324,000 10,849,000 13,070,000 13,128,000 12,592,000 12,753,000 13,994,000 15,794,000 14,485,000 14,094,000 13,248,000 13,687,000 10,081,000 10,410,000 9,548,000 11,144,000 9,410,000 10,657,000 9,159,000 11,049,000 9,002,000 9,891,000 8,939,000 9,925,000 8,675,000 8,965,000 8,649,000 9,702,000 8,145,000 8,349,000 8,628,000 9,040,000 9,172,000 8,663,000 9,687,000 8,780,000 9,136,000 8,055,000 8,907,000 8,170,000 8,024,000 7,400,000 8,544,000 8,047,000 8,120,000 7,337,000 8,354,000 7,273,000 7,489,000 6,772,000 7,188,000 7,128,000 6,557,000 5,740,000 6,269,000 7,114,000 6,260,000 6,783,000 6,476,000 7,082,000 5,609,000 6,003,000 5,212,000 5,583,000 4,884,000 5,192,000 4,839,000 5,719,000 4,660,000 4,583,000 3,938,000 4,577,000 3,759,000 4,265,000 3,541,000 4,333,000 4,194,000 
        accrued litigation
       28,275,000 27,919,000 27,563,000 27,219,000 26,888,000 26,550,000 26,212,000 23,700,000 6,500,000 6,500,000 6,500,000 6,500,000 6,500,000 6,500,000                                                                           
        accrued expenses
      4,425,000 3,691,000 5,437,000 3,351,000 8,558,000 6,589,000 6,429,000 6,170,000 7,078,000 5,093,000 5,438,000 4,284,000 4,769,000 8,613,000 5,754,000 4,011,000 3,172,000 4,158,000 3,589,000 3,618,000 3,153,000 2,624,000 2,417,000 2,689,000 2,761,000 2,690,000 2,335,000 2,228,000 2,166,000 2,631,000 2,384,000 2,535,000 2,262,000 2,989,000 2,311,000 2,475,000 2,104,000 2,179,000 2,178,000 2,266,000 2,220,000 2,568,000 2,341,000 2,240,000 2,217,000 3,178,000 4,602,000 3,586,000 4,890,000 2,841,000 2,298,000 2,097,000 1,971,000 2,233,000 2,486,000 2,523,000 2,740,000 2,846,000 2,606,000 3,132,000 4,236,000 3,138,000 3,093,000 3,164,000 2,608,000 2,618,000 2,788,000 3,027,000 3,053,000 2,911,000 3,015,000 2,925,000 3,477,000 3,471,000 3,823,000 3,532,000 3,617,000 4,189,000 3,762,000 3,131,000 3,235,000 3,016,000 2,977,000 2,462,000 2,953,000 2,815,000    
        short-term lease liabilities
      1,433,000 1,568,000 1,584,000 1,699,000 1,675,000 1,716,000 1,739,000 1,757,000 1,812,000 1,864,000 1,698,000 1,749,000 1,459,000 1,450,000 1,449,000 1,572,000 1,214,000 1,551,000 1,625,000 1,559,000 1,571,000 1,629,000 1,563,000 1,156,000 1,370,000 1,520,000 1,580,000                                                               
        sales allowances
      3,661,000 3,136,000 2,569,000 2,639,000 2,114,000 1,667,000 2,640,000 2,989,000 3,130,000 3,482,000 2,553,000 2,571,000 2,389,000 1,661,000 1,427,000 1,006,000 1,605,000 1,464,000 1,661,000 1,919,000 1,253,000 597,000 736,000 867,000 781,000 741,000 1,076,000 640,000 617,000 548,000 567,000 550,000 384,000                                                         
        income taxes payable
      71,000 904,000 154,000 2,926,000 57,000 59,000 642,000 3,674,000 1,602,000 746,000 1,046,000 824,000 663,000 72,000 7,000 2,000 21,000 66,000 10,000 890,000 43,000 139,000 62,000 56,000 34,000 57,000 57,000 85,000 182,000 710,000 708,000 526,000 298,000 300,000 252,000 86,000 104,000 92,000 23,000 9,000 29,000 31,000 7,000 8,000 17,000 41,000 6,000 5,000 15,000 15,000   50,000 336,000 434,000 1,223,000 304,000 420,000 317,000 251,000 769,000 102,000 276,000 427,000 362,000 60,000  68,000 334,000 1,349,000 1,333,000 696,000 591,000 278,000 628,000 2,364,000 2,290,000 2,049,000 1,692,000 2,293,000 6,407,000 6,279,000 5,953,000 6,323,000 6,355,000 6,367,000 6,599,000 6,200,000 6,347,000 
        short-term deferred revenue and customer prepayments
      2,155,000 3,426,000 4,197,000 5,506,000 6,624,000 5,312,000 4,198,000 2,656,000 2,684,000 3,157,000 3,618,000 6,620,000 9,765,000 13,197,000 12,148,000 7,702,000 8,384,000 7,912,000 3,390,000 3,916,000 6,008,000 7,309,000 8,061,000 7,817,000 6,753,000 5,507,000                                                                
        total current liabilities
      41,934,000 65,321,000 70,689,000 73,840,000 75,661,000 61,820,000 70,371,000 67,836,000 64,081,000 44,169,000 46,533,000 49,976,000 53,672,000 64,549,000 64,359,000 59,453,000 49,560,000 49,093,000 42,615,000 49,777,000 42,878,000 40,513,000 37,998,000 41,919,000 35,220,000 29,930,000 30,768,000 33,157,000 30,733,000 35,998,000 30,691,000 30,839,000 26,111,000 28,036,000 31,779,000 30,766,000 24,500,000 22,227,000 21,441,000 22,729,000 20,596,000 20,601,000 22,012,000 23,612,000 24,684,000 23,157,000 27,296,000 22,851,000 23,284,000 20,655,000 22,137,000 18,075,000 18,296,000 17,565,000 19,667,000 19,578,000 19,748,000 19,948,000 20,769,000 23,016,000 25,808,000 22,700,000 28,011,000 38,914,000 21,623,000 20,656,000 18,564,000 19,473,000 19,415,000 17,459,000 20,423,000 19,659,000 26,741,000 21,037,000 20,599,000 21,712,000 18,350,000 68,779,000 18,152,000 25,973,000 22,451,000  20,588,000 25,414,000 20,402,000  21,848,000 22,660,000 23,127,000 
        long-term income taxes payable
      3,109,000 3,086,000 3,430,000 4,809,000 3,461,000 3,387,000 1,916,000 1,917,000 2,236,000 2,228,000 848,000 875,000 869,000 862,000 529,000 577,000 574,000 569,000 564,000 649,000 648,000 643,000 575,000 571,000 571,000 567,000 237,000 236,000 240,000 238,000 195,000 195,000 200,000 195,000 191,000 189,000 198,000 196,000 182,000 180,000 193,000 192,000 875,000 869,000 873,000 867,000 801,000 1,346,000 1,337,000 1,339,000 1,527,000 1,515,000 1,504,000 1,494,000 1,349,000 1,341,000 1,332,000 1,359,000 1,076,000 1,058,000 1,039,000 1,022,000 953,000 434,000 488,000 384,000 280,000 276,000 274,000 259,000 303,000 1,399,000 1,372,000 1,344,000                
        long-term lease liabilities
      5,713,000 5,608,000 5,775,000 5,994,000 5,353,000 5,620,000 5,605,000 5,724,000 6,094,000 6,364,000 6,590,000 7,030,000 6,872,000 7,009,000 7,520,000 7,952,000 6,694,000 3,225,000 3,504,000 2,439,000 2,779,000 2,968,000 2,880,000 2,400,000 2,601,000 2,855,000 2,845,000                                                               
        total liabilities
      50,756,000 74,015,000 79,894,000 84,643,000 84,475,000 70,827,000 77,892,000 75,777,000 73,071,000 53,781,000 55,351,000 59,642,000 63,596,000 72,565,000 74,241,000 68,252,000 57,160,000 53,300,000 47,176,000 53,484,000 47,139,000 45,084,000 42,531,000 46,091,000 39,728,000 34,857,000 35,194,000 36,287,000 34,312,000 36,978,000 31,705,000 31,905,000 27,275,000 29,305,000 32,459,000 31,523,000 25,326,000 23,050,000 22,303,000 23,646,000 21,574,000 21,460,000 23,719,000 25,347,000 26,458,000 24,990,000 29,135,000 25,300,000 25,824,000 23,303,000 24,782,000                                       
        commitments and contingencies
                                                                                               
        equity:
                                                                                               
        vicor corporation stockholders’ equity:
                                                                                               
        class b common stock: 10 votes per share, .01 par value...
      118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000 118,000  118,000 118,000 118,000 118,000 118,000 118,000  118,000    118,000    118,000    118,000    118,000    118,000    118,000    118,000        118,000        118,000    118,000    119,000            
        common stock: 1 vote per share, .01 par value...
      460,000 460,000 455,000 453,000 453,000 452,000 452,000 451,000 446,000 445,000 445,000 443,000 442,000 441,000 440,000 440,000 440,000 439,000 437,000  435,000  433,000 431,000  405,000    402,000    401,000    397,000    395,000    393,000    392,000    390,000    387,000    385,000    384,000    384,000    384,000    382,000    377,000    373,000    
        additional paid-in capital
      467,638,000 462,227,000 428,969,000 419,814,000 415,131,000 407,617,000 402,117,000 396,175,000 389,367,000 383,832,000 380,151,000 368,914,000 365,442,000 360,365,000 357,255,000 352,253,000 349,467,000 345,664,000 342,014,000 336,278,000 333,011,000 328,392,000 326,026,000 320,988,000 204,020,000 201,251,000 199,166,000 196,698,000 195,799,000 193,457,000 192,373,000 188,276,000 183,415,000 181,395,000 180,132,000 178,661,000 177,366,000 176,344,000 174,881,000 175,055,000 174,605,000 174,337,000 174,073,000 173,638,000 172,774,000 171,901,000 170,790,000 170,265,000 169,713,000 169,474,000 169,409,000 168,915,000 167,757,000 167,498,000 167,206,000 166,904,000 166,553,000 166,227,000 165,499,000 165,234,000 164,362,000 163,933,000 162,499,000 162,273,000 161,882,000 161,746,000 161,594,000 161,452,000 161,289,000 161,089,000 160,844,000 160,013,000 159,637,000 159,332,000 159,011,000 158,567,000 158,051,000 158,021,000 157,782,000 157,502,000 154,348,000 151,698,000 150,543,000 149,704,000 148,957,000 148,821,000 148,803,000 148,542,000 146,730,000 
        retained earnings
      442,023,000 421,359,000 374,826,000 346,534,000 305,342,000 302,803,000 292,557,000 281,005,000 282,201,000 296,674,000 288,006,000 271,424,000 254,323,000 243,079,000 235,017,000 233,225,000 222,632,000 217,633,000 208,753,000 195,494,000 176,100,000 161,008,000 149,815,000 144,030,000 141,363,000 143,098,000 141,786,000 135,849,000 133,286,000 129,000,000 122,090,000 109,078,000 101,218,000 93,605,000 91,994,000 92,005,000 92,464,000 93,438,000 96,126,000 93,790,000 94,334,000 99,685,000 101,437,000 98,934,000 98,129,000 94,758,000 94,758,000 98,432,000 103,267,000 108,645,000 121,747,000 122,679,000 127,295,000 132,285,000 137,099,000 136,908,000 136,688,000 136,362,000 135,685,000 140,875,000 137,809,000 133,791,000 122,984,000 107,165,000 114,924,000 112,972,000 110,663,000 108,972,000 107,631,000 110,174,000 113,675,000 119,315,000 120,638,000 126,263,000 124,766,000 130,465,000 130,746,000 134,579,000 172,729,000 170,270,000 173,706,000 175,660,000 173,580,000 171,877,000 176,808,000 176,769,000 178,791,000 182,734,000 182,673,000 
        accumulated other comprehensive loss
      -1,697,000 -1,672,000 -1,561,000 -1,291,000 -1,312,000 -1,495,000 -1,198,000 -1,583,000 -1,390,000 -1,273,000 -1,245,000 -1,195,000 -993,000 -988,000 -1,279,000 -2,246,000 -1,824,000 -1,328,000 -1,040,000 -813,000 -573,000 -204,000 -203,000 -316,000 -300,000 -383,000 -278,000 -278,000 -436,000 -394,000 -516,000 -401,000 -234,000 -478,000 -397,000 -414,000 -413,000 -561,000 -96,000 -146,000 -394,000 -577,000 -461,000 -529,000 -523,000 -471,000 -555,000 -332,000 -417,000 -526,000 -274,000 -355,000 -301,000 -112,000  -197,000 -310,000 -322,000 -362,000 -437,000 -1,318,000 -1,369,000 -1,100,000 -1,711,000 -1,952,000 -1,608,000 -1,364,000 -1,686,000 -3,078,000            -33,000  -100,000 -97,000 -144,000     
        treasury stock
      -154,682,000 -170,935,000 -172,728,000 -157,033,000 -139,424,000 -139,424,000 -139,424,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -138,927,000 -132,219,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -121,827,000 -115,876,000 -112,990,000  -108,725,000 -108,725,000 -107,350,000  -104,966,000 -104,360,000 -104,360,000 
        total vicor corporation stockholders’ equity
      753,860,000 711,557,000 630,079,000 608,595,000 580,308,000 570,071,000 554,622,000 537,239,000 531,815,000 540,869,000 528,548,000 500,777,000 480,405,000 464,088,000 452,624,000 444,863,000 431,906,000 423,599,000 411,355,000 392,586,000 370,164,000 350,820,000 337,262,000 326,324,000 206,681,000 205,562,000 202,269,000 193,863,000 190,243,000 183,656,000 175,540,000 158,543,000 145,992,000 136,114,000 133,320,000 131,842,000 131,006,000 130,809,000 132,498,000 130,285,000 130,131,000 135,031,000 136,634,000 133,628,000 131,964,000 127,772,000 126,576,000 129,948,000 134,146,000 139,176,000 152,464,000 152,821,000 163,041,000 178,352,000 183,199,000 182,294,000 181,610,000 180,945,000 179,499,000 184,349,000 179,529,000 175,031,000 163,059,000 146,402,000 153,529,000 151,785,000 149,568,000 147,413,000 144,517,000                     
        noncontrolling interest
      265,000 259,000 274,000 271,000 255,000 220,000 248,000 218,000 231,000 237,000 236,000 242,000 254,000 248,000 237,000 241,000 283,000 306,000 299,000 306,000 318,000 335,000 326,000 319,000 316,000 308,000 447,000 453,000 449,000 434,000 420,000 395,000 363,000 305,000 297,000 250,000 239,000 208,000 237,000 218,000 205,000 1,054,000 2,922,000 2,812,000 2,851,000 2,780,000 3,008,000 3,026,000 3,118,000 3,161,000 3,632,000 3,596,000 3,597,000 3,621,000 3,891,000 3,793,000 3,754,000 3,765,000 4,372,000 4,266,000 4,121,000 3,981,000 4,119,000 4,054,000 4,338,000 4,281,000 4,752,000 4,451,000 4,647,000                     
        total equity
      754,125,000 711,816,000 630,353,000 608,866,000 580,563,000 570,291,000 554,870,000 537,457,000 532,046,000 541,106,000 528,784,000 501,019,000 480,659,000 464,336,000 452,861,000 445,104,000 432,189,000 423,905,000 411,654,000 392,892,000 370,482,000 351,155,000 337,588,000 326,643,000 206,997,000 205,870,000 202,716,000 194,316,000 190,692,000 184,090,000 175,960,000 158,938,000 146,355,000 136,419,000 133,617,000 132,092,000 131,245,000 131,017,000 132,735,000 130,503,000 130,336,000 136,085,000 139,556,000 136,440,000 134,815,000 130,552,000 129,584,000 132,974,000 137,264,000 142,337,000 156,096,000 156,417,000 166,638,000 181,973,000 187,090,000 186,087,000 185,364,000 184,710,000 183,871,000 188,615,000 183,650,000 179,012,000 167,178,000 150,456,000 157,867,000 156,066,000 154,320,000 151,864,000 149,164,000                     
        total liabilities and equity
      804,881,000 785,831,000 710,247,000 693,509,000 665,038,000 641,118,000 632,762,000 613,234,000 605,117,000 594,887,000 584,135,000 560,661,000 544,255,000 536,901,000 527,102,000 513,356,000 489,349,000 477,205,000 458,830,000 446,376,000 417,621,000 396,239,000 380,119,000 372,734,000 246,725,000 240,727,000 237,910,000 230,603,000 225,004,000 221,068,000 207,665,000 190,843,000 173,630,000 165,724,000 166,076,000 163,615,000 156,571,000 154,067,000 155,038,000 154,149,000 151,910,000 157,545,000 163,275,000 161,787,000 161,273,000 155,542,000 158,719,000 158,274,000 163,088,000 165,640,000 180,878,000                                       
        accounts receivables
       60,716,000    52,948,000    52,631,000    65,429,000    55,097,000  55,012,000 47,697,000 40,999,000 41,136,000 48,502,000 41,279,000 38,115,000 39,987,000 38,537,000 41,705,000 43,673,000 45,052,000 45,056,000 41,634,000 34,487,000 33,811,000 34,092,000 29,978,000 25,216,000 28,026,000 28,008,000 23,349,000 25,982,000 24,614,000 27,069,000 32,675,000 28,431,000 27,347,000 27,069,000 31,769,000 27,683,000 28,321,000 23,497,000 23,725,000 27,165,000 31,278,000 29,185,000 31,553,000 31,410,000 31,963,000 34,484,000 39,796,000 38,825,000 39,440,000 34,435,000 31,135,000 26,565,000 27,838,000 25,985,000 28,586,000 28,757,000 28,877,000 27,181,000 29,114,000 32,054,000  27,668,000 30,957,000 30,399,000 30,101,000 30,288,000 31,053,000  27,314,000       
        deferred tax assets
       27,463,000    261,000    296,000    280,000    208,000                         106,000 106,000 107,000 107,000 131,000 131,000 131,000 131,000 2,248,000 1,800,000 1,575,000 1,776,000 2,243,000 2,228,000 2,042,000 2,176,000 2,343,000 2,527,000 2,499,000 2,164,000 3,678,000 181,000 181,000 181,000 451,000 451,000 451,000 451,000 741,000 741,000 741,000 741,000 3,648,000 3,648,000 3,648,000 3,702,000 2,673,000 2,673,000 2,673,000 2,673,000 2,497,000 2,497,000 2,497,000 2,497,000 3,548,000 3,548,000 3,548,000 
        long-term deferred revenue
             300,000 660,000 1,020,000 1,380,000 1,761,000 2,183,000 145,000 1,833,000 270,000 332,000 413,000 493,000 573,000 653,000 733,000 813,000 894,000 974,000 1,054,000 1,134,000 196,000 214,000 232,000 249,000 267,000 285,000 303,000 321,000 339,000 356,000 374,000 392,000 410,000 433,000 468,000 503,000 537,000 572,000 637,000 703,000 768,000 868,000 974,000 1,118,000 1,261,000 1,405,000 1,549,000 1,693,000 1,836,000 1,980,000 2,124,000 2,268,000 2,411,000 2,065,000 2,178,000 2,291,000 2,064,000 2,143,000 2,196,000 1,300,000 1,314,000 1,331,000 1,118,000 1,124,000 924,000                  
        accrued severance and other charges
                  13,000                49,000 234,000 325,000                                                           
        short-term investments
                    19,949,000 19,921,000 20,003,000 45,215,000 50,217,000 70,469,000 95,719,000 50,166,000                       90,000 270,000 541,000 642,000 643,000 463,000              9,097,000 572,000 2,583,000 706,000  1,161,000 1,773,000 1,964,000 2,663,000 5,750,000 57,490,000 28,542,000 51,380,000 43,788,000 82,401,000 87,971,000 95,214,000 96,486,000 88,692,000 73,980,000 64,282,000 76,128,000 77,371,000 76,109,000 74,900,000 72,543,000 
        contingent consideration obligations
                         46,000 181,000 227,000 265,000 307,000 362,000 451,000 210,000 306,000 378,000 408,000 470,000 506,000 584,000 678,000 78,000 142,000 208,000 253,000 288,000 327,000 352,000                                                 
        14,000,000 shares authorized, 11,758,218 shares issued and outstanding in 2021 and 2020
                       118,000                                                                        
        long-term investments
                        2,598,000 2,561,000 2,541,000  2,591,000 2,555,000 2,557,000  2,576,000 2,565,000 2,546,000  2,613,000 2,581,000 2,548,000 2,525,000 2,599,000 2,565,000 2,526,000 2,508,000 2,580,000 2,579,000 2,553,000 2,866,000 2,970,000 2,955,000 2,902,000 3,002,000 5,134,000 4,995,000 5,045,000 5,188,000 6,231,000 6,438,000 6,554,000 6,736,000 6,895,000 9,635,000 9,718,000 9,585,000 11,613,000 11,721,000 18,354,000 18,417,000 18,984,000 18,380,000 28,241,000 29,995,000 33,957,000 35,851,000 34,137,000 33,735,000 36,540,000 36,250,000 36,500,000         3,348,000        
        43,452,740 shares issued and 31,817,934 shares outstanding in 2021;
                                                                                               
        43,204,671 shares issued and 31,569,865 shares outstanding in 2020
                         436,000                                                                      
        common stock: 1vote per share, .01 par value...
                           433,000                                                                    
        class b common stock
                              118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 118,000 118,000  118,000 119,000 119,000  119,000 119,000 119,000  119,000 119,000 119,000  119,000 119,000 119,000 
        common stock
                              407,000  404,000 403,000 403,000  402,000 399,000 402,000  400,000 399,000 398,000  396,000 395,000 395,000  394,000 394,000 393,000  392,000 392,000 392,000  391,000 391,000 391,000  389,000 388,000 388,000  386,000 386,000 385,000  385,000 384,000 384,000  384,000 384,000 384,000  384,000 384,000 384,000  384,000 382,000 382,000  382,000 381,000 379,000  375,000 374,000 373,000  374,000 373,000 371,000 
        short-term deferred revenue
                                5,843,000                                                               
        operating lease liabilities
                                 1,660,000 1,678,000                                                             
        deferred revenue
                                 6,581,000 5,454,000 5,069,000 4,442,000 4,610,000 2,769,000 5,791,000 8,769,000 7,738,000 4,527,000 3,403,000 2,626,000 1,894,000 1,933,000 1,988,000 1,899,000 2,185,000 1,854,000 1,439,000 1,732,000 1,259,000 1,095,000 1,018,000 911,000 897,000 699,000 784,000 652,000 604,000 856,000 1,194,000 760,000 741,000 520,000 689,000 4,575,000 4,076,000 3,129,000 2,521,000 2,069,000 1,312,000 1,201,000 662,000 854,000 534,000 1,241,000 983,000 853,000 528,000 54,000 76,000 131,000 148,000 117,000 143,000 282,000 309,000 419,000 306,000    
        long-term operating lease liabilities
                                 2,392,000 2,747,000                                                             
        other long-term liabilities
                                   102,000 100,000 98,000 95,000 93,000 90,000 87,000 64,000                                                     
        accrued severance charge
                                     350,000                                     1,990,000                     
        preferred stock, .01 par value...
                                                               118,000        118,000                        
        accrued severance charges
                                              37,000 195,000 334,000 742,000 1,313,000 1,904,000 1,933,000   49,000 249,000 611,000 1,079,000            44,000 259,000 813,000 1,810,000                      
        deferred income taxes
                                               55,000    329,000    335,000              1,355,000 1,254,000 1,275,000 1,649,000 1,659,000 1,577,000 1,660,000 1,637,000 1,649,000 1,725,000 1,597,000 4,377,000 4,315,000 4,346,000 4,389,000 3,259,000 3,258,000 3,199,000 3,172,000 3,111,000 3,113,000 3,081,000 3,173,000 4,242,000 4,166,000 4,446,000 
        deferred income taxes payable
                                                329,000 329,000 329,000  335,000 335,000 335,000                                         
        contingent consideration obligation
                                               144,000                                                
        accumulated other comprehensive income
                                                            214,000               -2,767,000 -2,060,000 -2,006,000 -1,647,000 170,000 134,000 48,000 92,000 72,000 54,000 53,000  -72,000    -11,000 12,000 -94,000 307,000 
        restricted cash equivalents
                                                                      192,000 192,000 377,000 176,000 168,000                     
        restricted cash and cash equivalents
                                                                      223,000 223,000 210,000 388,000 534,000 176,000 178,000 919,000                  
        auction rate securities rights
                                                                      929,000 962,000 1,428,000 1,685,000 1,830,000 1,926,000                    
        dividends payable
                                                                     12,506,000                          
        accrual for litigation settlements
                                                                           162,000    240,000 240,000 2,590,000              
        cash
                                                                         30,429,000                      
        short-term invesments
                                                                         845,000                      
        liabilities and stockholders’ equity
                                                                                               
        minority interests
                                                                           4,255,000 4,400,000 4,991,000 4,485,000 4,040,000 3,679,000 3,590,000 3,610,000 3,593,000 3,448,000 3,335,000 3,184,000 3,031,000 2,186,000 1,848,000 1,617,000 1,527,000    
        stockholders’ equity:
                                                                                               
        total stockholders’ equity
                                                                           147,171,000 151,134,000 155,997,000 157,303,000 164,440,000 162,586,000 167,754,000 167,563,000 171,346,000 209,239,000 212,449,000 215,529,000  215,792,000 213,252,000 218,763,000 220,623,000 223,133,000 227,314,000 225,840,000 
        accrual for litigation settlement
                                                                             162,000 240,000     50,000,000            
        restricted cash and short-term investments
                                                                              1,024,000 952,000 1,045,000 1,045,000              
        dividend payable
                                                                              6,245,000       6,310,000    5,020,000      
        insurance receivable for litigation settlements
                                                                                 2,350,000              
        preferred stock
                                                                                               
        insurance receivable for litigation settlement
                                                                                               
        insurance receivable for litigation
                                                                                   12,800,000            
        accrued liabilities
                                                                                            4,788,000 5,568,000 6,088,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 
                                                                                                 
          operating activities:
                                                                                                 
          consolidated net income
        20,676,000 46,533,000 28,302,000 41,200,000 2,561,000 10,242,000 11,554,000 -1,195,000 -14,462,000 8,664,000 16,583,000 17,102,000 11,251,000 8,061,000 1,795,000 10,580,000 4,990,000 8,899,000 13,252,000 19,383,000 15,095,000 11,195,000 5,786,000 2,672,000 -1,731,000 1,315,000 5,932,000 2,556,000 4,306,000 6,907,000 13,048,000 7,909,000 3,982,000     -2,686,000 2,351,000 -550,000 -5,376,000 -1,663,000 2,609,000 771,000 3,442,000     -13,020,000 -898,000 -4,600,000 -4,986,000 -4,663,000 280,000 244,000 341,000 761,000 1,175,000 3,204,000 4,169,000 10,918,000 15,869,000 4,747,000 2,005,000                         
          adjustments to reconcile consolidated net income to net cash from operating activities:
                                                                                                 
          depreciation and amortization
        5,337,000 5,171,000 5,236,000 5,190,000 5,189,000 4,610,000 4,741,000 4,661,000 4,614,000 4,038,000 4,554,000 4,449,000 4,199,000 3,526,000 3,585,000 3,369,000 3,296,000 3,141,000 2,946,000 2,812,000 2,806,000 2,881,000 2,736,000 2,728,000 2,711,000 2,687,000 2,649,000 2,553,000 2,445,000 2,384,000 2,331,000 2,270,000 2,269,000 2,303,000 2,244,000 2,189,000 2,157,000 2,054,000 2,073,000 2,116,000 2,195,000 2,188,000 2,231,000 2,320,000 2,403,000 2,492,000 2,459,000 2,411,000 2,443,000 2,453,000 2,527,000 2,534,000 2,494,000 2,553,000 2,626,000 2,612,000 2,632,000 2,791,000 2,813,000 2,773,000 2,628,000 2,670,000 2,595,000 2,525,000 2,432,000 2,457,000 2,507,000 2,609,000 2,625,000 2,691,000 2,613,000 2,625,000 2,586,000 2,691,000 2,743,000 3,052,000 3,133,000 3,537,000 3,284,000 3,342,000 3,995,000  4,142,000 4,186,000 4,466,000  5,230,000 5,326,000 5,322,000 
          stock-based compensation expense
        3,852,000 4,367,000 4,362,000 3,709,000 4,349,000 4,057,000 4,034,000 3,431,000 3,780,000 3,582,000 3,458,000 3,012,000 2,817,000 2,819,000 2,829,000 2,622,000 1,994,000 2,030,000 1,867,000 1,567,000 1,571,000 1,597,000 1,640,000 1,936,000 710,000 744,000 753,000 766,000 773,000 792,000 688,000 1,180,000 736,000 463,000 731,000 287,000 254,000 335,000 -498,000 340,000 329,000 390,000 341,000 488,000 563,000 461,000 402,000 537,000 234,000 557,000 491,000 1,139,000 263,000 274,000 300,000                                   
          provision for doubtful accounts
         7,000               -20,000 43,000 -6,000 -21,000 -29,000 -88,000 -26,000 26,000 33,000 32,000 -2,000 8,000   5,000 -28,000 -26,000 -25,000 33,000 36,000 19,000 -42,000 53,000                                         
          litigation payment
        -28,557,000                                                                                         
          decrease in other assets
        101,000 -1,046,000 468,000 511,000 480,000 321,000           62,000  19,000 63,000 -26,000 47,000   75,000  100,000                   -6,000 -5,000 2,000 -34,000 -8,000 10,000 47,000 -85,000 -7,000 -14,000 25,000 -12,000 -33,000   24,000 99,000 50,000 -1,000   -444,000 9,000                     
          deferred income taxes
        -337,000 -27,193,000 -2,000 -2,000 1,000 -6,000 7,000 4,000 27,000 2,000   -20,000 6,000 -60,000 2,000 13,000 3,000 2,000 -37,000 -1,000 18,000 -1,000 36,000 25,000 -1,000 -81,000 1,000 28,000 -3,000 -189,000   -27,000 4,000 -55,000         9,982,000 -1,184,000 -2,043,000 -2,264,000 -281,000 134,000 -237,000 15,000 24,000 -156,000 209,000 71,000 -1,159,000 -5,159,000 21,000 23,000 -68,000 -100,000                       
          increase in long-term income taxes payable
        23,000 -345,000 -1,379,000     -319,000 8,000   6,000 7,000   3,000 5,000   1,000 5,000 68,000 4,000 4,000    2,000    5,000    2,000 14,000 2,000 -13,000 1,000  6,000 -4,000 6,000 66,000 -545,000 9,000 -2,000 -188,000 12,000 11,000 10,000                                     
          change in current assets and liabilities
        -5,037,000  659,000 13,269,000 7,470,000 -10,585,000 1,994,000 6,715,000 -8,103,000 4,135,000 -191,000 -4,951,000 -10,232,000 -12,890,000 -9,075,000 -5,699,000 -5,682,000 309,000 -7,700,000 -11,438,000 -1,599,000 3,688,000 1,491,000 -2,594,000 -2,639,000 379,000 1,050,000 1,524,000 -9,529,000 3,338,000 -1,733,000 -2,056,000 -7,801,000 -7,198,000 -1,664,000 -1,377,000 -2,855,000 2,459,000 -1,487,000 -4,548,000 2,141,000 -1,460,000 551,000 3,712,000 -1,304,000 -1,967,000 5,060,000 4,333,000 -1,744,000 -1,789,000 1,983,000 390,000 1,523,000 2,927,000 -1,858,000 2,431,000 4,359,000 820,000 113,000 486,000 2,709,000 -6,646,000 -7,318,000 -3,049,000 -4,109,000 2,824,000 5,000 2,416,000 -628,000  -2,982,000 670,000 -437,000  3,057,000 2,945,000 -39,316,000 -603,000 -1,839,000 -1,967,000 -5,046,000  2,233,000 4,291,000 -1,982,000  -2,067,000 -2,033,000 2,950,000 
          net cash from operating activities
        -3,942,000 15,708,000 38,487,000 65,225,000 20,128,000 10,117,000 22,577,000 15,566,000 2,582,000 21,534,000 23,841,000 19,040,000 10,113,000 929,000 6,602,000 10,823,000 4,585,000 14,217,000 10,112,000 12,342,000 17,773,000 19,307,000 11,571,000   5,669,000 11,300,000 7,359,000 -2,120,000 13,329,000 14,314,000 9,340,000 -812,000 -3,102,000 1,341,000 644,000 -1,347,000 2,128,000 2,421,000 -3,171,000 -834,000 -1,481,000 672,000 7,206,000 5,070,000 740,000 3,672,000 2,259,000 -4,480,000 -2,010,000 1,536,000 -2,535,000 -1,681,000 2,931,000 1,419,000 5,364,000 7,524,000 4,753,000 4,556,000 7,192,000 9,906,000 5,905,000 6,442,000 4,086,000 461,000 9,863,000 4,337,000 7,177,000 3,421,000 -360,000 1,321,000 3,809,000 4,293,000  6,579,000 7,823,000 -33,811,000 3,270,000 4,077,000 4,549,000 2,434,000  8,549,000 8,956,000 2,798,000  2,921,000 3,656,000 7,350,000 
          capital expenditures
        -11,645,000 -6,261,000 -4,438,000 -6,915,000 -1,560,000 -2,766,000 -7,612,000 -5,991,000 -5,287,000 -7,163,000 -8,538,000 -10,089,000 -14,401,000 -14,195,000 -22,683,000 -16,819,000 -15,160,000 -6,518,000 -9,264,000 -11,816,000 -8,113,000   -3,363,000 -3,258,000 -2,542,000 -3,322,000 -11,317,000 -3,336,000 -1,700,000 -1,858,000 -2,381,000 -4,533,000 -2,983,000 -2,648,000 -2,060,000 -1,722,000 -2,759,000 -1,887,000 -3,494,000 -2,272,000 -1,855,000 -1,469,000 -2,269,000 -1,378,000 -1,927,000 -1,554,000 -2,152,000 -1,484,000 -1,372,000 -1,171,000 -2,558,000 -2,053,000 -1,524,000 -1,261,000 -1,215,000 -1,216,000 -2,062,000 -2,973,000 -4,362,000 -2,927,000 -2,385,000 -2,429,000 -6,361,000 -1,533,000 -1,720,000 -1,029,000 -1,708,000 -2,388,000 -1,844,000 -2,325,000  -4,287,000 -1,022,000 -2,118,000 -1,361,000 -1,263,000 -1,424,000 -1,555,000  -3,958,000 -1,241,000 -1,372,000  -1,039,000 -1,229,000 -1,015,000 
          free cash flows
        -15,587,000 9,447,000 34,049,000 58,310,000 18,568,000 7,351,000 14,965,000 9,575,000 -2,705,000 14,371,000 23,841,000 10,502,000 24,000 929,000 -7,799,000 -3,372,000 -18,098,000 -2,602,000 -5,048,000 5,824,000 8,509,000 7,491,000 3,458,000   2,306,000 8,042,000 4,817,000 -5,442,000 2,012,000 10,978,000 7,640,000 -2,670,000 -5,483,000 -3,192,000 -2,339,000 -3,995,000 68,000 699,000 -5,930,000 -2,721,000 -4,975,000 -1,600,000 5,351,000 3,601,000 -1,529,000 2,294,000 332,000 -6,034,000 -4,162,000 52,000 -3,907,000 -2,852,000 373,000 -634,000 3,840,000 6,263,000 3,538,000 3,340,000 5,130,000 6,933,000 1,543,000 3,515,000 1,701,000 -1,968,000 3,502,000 2,804,000 5,457,000 2,392,000 -2,068,000 -1,067,000 1,965,000 1,968,000  2,292,000 6,801,000 -35,929,000 1,909,000 2,814,000 3,125,000 879,000  4,591,000 7,715,000 1,426,000  1,882,000 2,427,000 6,335,000 
          investing activities:
                                                                                                 
          additions to property, plant and equipment and internal-use software
        -12,387,000 -5,543,000 -4,021,000 -6,204,000 -4,550,000 -1,736,000 -8,455,000 -6,141,000 -7,270,000 -7,163,000                                                                                
          net cash from investing activities
        -12,387,000 -5,543,000 -4,021,000 -6,204,000 -4,550,000 -1,736,000 -8,455,000 -6,141,000 -7,270,000 -7,163,000 -7,662,000 -8,538,000 -10,089,000 7,313,000 -14,401,000   -12,013,000 4,946,000 18,376,000 -54,970,000 -61,931,000 -8,070,000 -5,699,000 -2,924,000 -3,346,000 -3,157,000 -2,658,000 -3,321,000 -11,298,000 -3,332,000 -1,661,000 -1,948,000 -2,360,000 -4,478,000 -2,977,000 -2,711,000 -2,135,000 -1,797,000 -2,488,000 -2,099,000 -3,928,000 2,649,000 -1,758,000 -1,229,000 751,000 -1,363,000 -1,833,000 -1,584,000 -1,708,000 -1,223,000 -1,262,000 -887,000 -2,551,000 1,028,000 -1,439,000 -1,122,000 838,000 -1,260,000 5,737,000 -2,788,000 -4,154,000 6,073,000 890,000 956,000 -3,735,000 801,000 -2,061,000 -911,000 -1,847,000 -2,071,000 1,275,000 9,819,000 -31,270,000 18,707,000 -10,244,000 36,709,000 4,491,000 6,082,000 -124,000 -6,057,000  -13,784,000 10,342,000 -657,000  -3,447,000 -4,533,000 -7,745,000 
          financing activities:
                                                                                                 
          proceeds from employee stock plans
        17,812,000 32,560,000 4,795,000 974,000 3,166,000 1,443,000 1,909,000 3,382,000 1,756,000 99,000 7,781,000 461,000 2,261,000 292,000 2,173,000 164,000 1,810,000 1,622,000 3,870,000 1,701,000 3,050,000 749,000 3,451,000                                                                   
          net cash from financing activities
        17,812,000 30,363,000 -10,574,000 -16,635,000 3,166,000 1,443,000 1,412,000 3,382,000 1,756,000 99,000 7,781,000 461,000 2,261,000 292,000 2,173,000 164,000 1,810,000 1,622,000 3,824,000 1,640,000 3,004,000 711,000 3,358,000 115,001,000 1,972,000 1,141,000 1,620,000 65,000 1,540,000 216,000 3,376,000 3,603,000 1,191,000 740,000 677,000 943,000 715,000 1,094,000 287,000 85,000 -353,000 -177,000 96,000 375,000 310,000 483,000 123,000 15,000 5,000 -1,066,000 3,000 -6,689,000 -10,303,000 -351,000 27,000 1,000 59,000 -595,000 -6,244,000 417,000 45,000 766,000 -12,439,000 -80,000 12,000 -1,765,000 299,000   -505,000 -6,803,000 -6,155,000 3,000 150,000 -5,974,000 117,000 -6,217,000 11,000 -12,156,000 98,000 -4,554,000  -4,185,000 -627,000 -1,766,000  -3,715,000 1,814,000 251,000 
          effect of foreign exchange rates on cash
        -43,000 -105,000 -51,000 56,000 82,000 -156,000 187,000 -95,000 -115,000 -35,000 -5,000 -31,000 1,000 -21,000 47,000 -165,000 -80,000 -71,000 18,000 -6,000 -138,000 50,000 42,000 -2,000 19,000 -25,000 -16,000 102,000 -42,000 104,000 -72,000 -40,000 17,000 16,000 -29,000   17,000 2,000 17,000 16,000 -5,000 6,000 3,000 -16,000 27,000 -51,000 57,000 27,000 -65,000 94,000 -139,000 -280,000 -227,000 34,000 68,000 -119,000 23,000 58,000 33,000 -42,000 13,000 69,000 47,000 8,000 -34,000 29,000 -20,000 -13,000 -85,000 -11,000 -22,000 -39,000 43,000 -57,000 14,000 -2,000 37,000 25,000 -5,000 -17,000 -15,000 85,000 57,000 43,000 -95,000 39,000 16,000 -5,000 
          net increase in cash and cash equivalents
        1,440,000 40,423,000 23,841,000 42,442,000 18,826,000 9,668,000 15,721,000 12,712,000 -3,047,000 14,435,000 23,955,000 10,932,000 2,286,000 8,513,000 -5,579,000 -3,373,000 8,632,000 3,755,000 18,900,000   -41,863,000 6,901,000   3,439,000 9,747,000   2,351,000 14,286,000       1,104,000 913,000 -5,557,000 -3,270,000 -5,591,000 3,423,000 5,826,000 4,135,000     -4,849,000 410,000 -10,625,000 -13,151,000 -198,000 2,508,000 3,994,000 6,342,000 5,019,000 -2,890,000 13,379,000 7,121,000 2,530,000 145,000 4,943,000 1,437,000 4,329,000 5,466,000 5,293,000 2,497,000 -2,797,000 -7,564,000 -1,093,000 14,076,000 -29,487,000    7,809,000 -1,972,000 4,518,000 -8,194,000  -9,335,000 18,728,000 418,000 -2,048,000 -4,202,000 953,000 -149,000 
          cash and cash equivalents at beginning of period
        402,805,000  277,273,000  242,219,000  190,611,000  182,418,000  161,742,000  84,668,000  70,557,000  44,230,000  56,170,000 62,980,000 55,187,000 56,339,000 84,554,000 71,908,000 49,279,000 40,224,000 22,639,000  20,017,000  -325,000 36,185,000  34,024,000  36,277,000  41,723,000 
          cash and cash equivalents at end of period
        404,245,000  23,841,000 42,442,000 296,099,000  15,721,000 12,712,000 239,172,000  23,955,000 10,932,000 192,897,000  -5,579,000 -3,373,000 191,050,000  18,900,000 32,352,000 127,411,000  6,901,000 113,953,000 82,751,000  9,747,000 4,868,000 66,614,000  14,286,000 11,242,000 42,678,000  -2,489,000 -1,402,000 52,827,000 1,104,000 913,000 -5,557,000 59,710,000 -5,591,000 3,423,000 5,826,000 59,322,000 2,001,000 2,381,000 498,000 50,307,000 -4,849,000 410,000 -10,625,000 71,403,000 -198,000 2,508,000 3,994,000 78,250,000 5,019,000 -2,890,000 13,379,000 56,400,000 2,530,000 145,000 4,943,000 41,661,000 4,329,000 5,466,000 5,293,000 25,136,000  -7,564,000 -1,093,000 34,093,000  19,255,000 -2,615,000 32,864,000  -1,972,000 4,518,000 25,830,000  -9,335,000 18,728,000 36,695,000  -4,202,000 953,000 41,574,000 
          supplemental disclosure:
                                                                                                 
          purchases of property, plant and equipment and internal-use software incurred but not yet paid
        742,000 -718,000 -417,000 -711,000 2,990,000 -1,030,000 843,000 150,000 1,983,000                                                                                 
          loss on disposal of fixed assets
                                                                                                
          litigation-contingency expense
             2,300,000 17,200,000                                                                                 
          increase in long-term deferred revenue
             -300,000 -360,000 -360,000 -360,000 -381,000 -422,000 2,038,000         -80,000    -80,000                            -32,000 -35,000   -36,000 -34,000 455,000 -35,000 -113,000 227,000 -79,000 -53,000 896,000 -14,000 -17,000 213,000                     
          change in current assets and liabilities:
                                                                                                 
          accounts receivable
                                                                                                 
          inventories
                                                                                                 
          other current assets
                                                                                                 
          accounts payable and accrued liabilities
                                                                                                 
          accrued severance and other charges
                                                                                                 
          short-term lease liabilities
                                                                                                 
          income taxes payable
                                                                                                 
          deferred revenue and customer prepayments
                                                                                                 
          repurchases of common stock
         -2,197,000 -15,369,000                                                                                      
          cash and cash equivalents at beginning of year
                                                                                                 
          cash and cash equivalents at end of year
                                                                                                 
          supplemental disclosures:
                                                                                                 
          cash paid during the year for income taxes, net of refunds
                                                                                                 
          decrease in long-term deferred revenue
                       -62,000 -81,000  -80,000 -80,000 -80,000   -80,000 -80,000   -18,000 -18,000 -17,000 -18,000 -18,000 -18,000 -18,000 -18,000 -17,000 -18,000 -18,000 -18,000 -23,000 -35,000 -36,000 -34,000 -35,000 -34,000 -35,000 -35,000 -35,000 -34,000  -33,000 -36,000 -35,000    -36,000                                 
          decrease in long-term income taxes payable
            74,000                      1,000        2,000                    8,000 9,000 -27,000                                 
          amortization of bond premium
                     29,000                                                               -218,000 -181,000 -76,000 7,000 83,000  130,000 150,000 182,000  245,000 266,000 272,000 
          credit gain on available-for-sale securities
                     -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -1,000 -2,000 -2,000 -2,000 -2,000 -3,000 -3,000 -3,000  -3,000 -3,000 -4,000  -4,000 -4,000 -4,000        -1,000                                     
          sales and maturities of short-term investments
                                                                                          33,015,000 31,200,000 9,381,000     
          increase in other assets
               326,000 -99,000 68,000 -157,000 -136,000 33,000 759,000 -1,584,000              -8,000  -25,000 37,000 -104,000    -65,000 -291,000 -214,000  -81,000 -10,000 -65,000                -5,000     -6,000    -32,000 -78,000 -83,000 -36,000 -35,000 -45,000 -13,000 -27,000 -28,000 -43,000 -52,000 -53,000 -131,000 -10,000 -242,000 -190,000 -105,000 -1,121,000 -104,000 -1,084,000 
          decrease in contingent consideration obligations
                                                                                                
          purchases of short-term investments
                         -20,194,000 -50,706,000                                                        -38,629,000  -56,653,000 -28,920,000 -19,534,000  -42,831,000 -19,375,000 -8,476,000  -15,317,000 -14,400,000 -30,865,000 
          payment of contingent consideration obligations
                         -46,000 -61,000 -46,000 -38,000 -42,000 -55,000 -89,000 -39,000 -96,000 -72,000 -30,000 -62,000 -36,000 -78,000 -94,000 -50,000 -64,000 -66,000 -45,000 -35,000 -39,000                                                   
          litigation-related expense
                                                                                                
          sales or maturities of short-term investments
                      25,000,000  20,000,000 25,000,000 5,000,000                                                                     
          additions to property, plant and equipment
                   -8,538,000 -10,089,000  -14,401,000 -14,195,000 -22,683,000 -16,819,000 -15,160,000 -6,518,000 -9,264,000 -11,816,000 -8,113,000 -5,725,000 -2,999,000 -3,363,000 -3,258,000 -2,542,000 -3,322,000 -11,317,000 -3,336,000 -1,700,000 -1,858,000 -2,381,000 -4,533,000 -2,983,000 -2,648,000 -2,060,000 -1,722,000 -2,759,000 -1,887,000 -3,494,000 -2,272,000 -1,855,000 -1,469,000 -2,269,000 -1,378,000 -1,927,000 -1,554,000 -2,152,000 -1,484,000 -1,372,000 -1,171,000 -2,558,000 -2,053,000 -1,524,000 -1,261,000 -1,215,000 -1,216,000 -2,062,000 -2,973,000 -4,362,000 -2,927,000 -2,385,000 -2,429,000 -6,361,000 -1,533,000 -1,720,000 -1,029,000 -1,708,000 -2,388,000 -1,844,000 -2,325,000 -2,429,000 -4,287,000 -1,022,000 -2,118,000 -1,361,000 -1,263,000 -1,424,000 -1,555,000 -2,373,000 -3,958,000 -1,241,000 -1,372,000 -1,739,000 -1,039,000 -1,229,000 -1,015,000 
          proceeds from public offering of common stock
                             -51,000                                                                   
          short-term lease payable
                                                                                                 
          deferred revenue
                                                                                                 
          gain on disposal of equipment
                             -4,000 -3,000   -15,000 -1,000 -13,000 -9,000  -29,000 -2,000 -14,000    -2,000    -2,000 -6,000 -2,000 -17,000 -35,000 -16,000 -2,000 -4,000 -23,000 -3,000 -2,000   -24,000 10,000   -1,000     -5,000 -20,000 -5,000 -9,000 -13,000    -23,000            -4,000 
          other
                                                                                                 
          net cash provided by (used for) investing activities
                        2,317,000                                                                         
          provision (recovery) for doubtful accounts
                                                                                                 
          increase in contingent consideration obligations
                                                                                                 
          noncontrolling interest dividend paid
                                                                                                 
          (decrease) increase in long-term income taxes payable
                                                                                                 
          proceeds from sale of equipment
                             4,000 3,000   15,000 1,000 13,000 9,000 12,000 29,000 2,000 14,000 -1,000 -8,000 21,000 2,000 2,000 6,000 2,000 17,000 35,000 16,000 2,000 4,000 23,000 3,000 2,000 -2,000 9,000 24,000 6,000   1,000   27,000 5,000 3,000 9,000 13,000 21,000 85,000 23,000             
          loss on disposal of equipment
                                         1,000 8,000                                         8,000 -40,000 -30,000 -5,000  -2,000 9,000 3,000  42,000   
          net decrease in cash and cash equivalents
                            -34,331,000    -1,917,000    -3,943,000    -1,552,000  -2,489,000 -1,402,000 -3,343,000          2,381,000 498,000 -6,032,000                           -2,290,000 -3,321,000             
          increase in other long-term liabilities
                                     2,000 2,000 3,000 2,000 3,000 3,000 23,000 64,000                                                     
          adjustments to reconcile consolidated net income to net cash used by operating activities:
                                                                                                 
          net cash used by operating activities
                                -984,000                                                                 
          proceeds from issuance of common stock
                                2,061,000 1,319,000 1,716,000 137,000 1,570,000 278,000 3,412,000 3,681,000 1,285,000 790,000 741,000 1,009,000 760,000 1,129,000 326,000 110,000 19,000 39,000 96,000 375,000 310,000 645,000 123,000 15,000 5,000 -31,000 3,000 9,000 46,000 1,000 8,000        12,000      104,000 90,000 3,000  268,000 209,000 18,000  108,000 2,984,000 2,474,000  840,000 748,000 136,000  262,000 1,814,000 251,000 
          increase in refundable income taxes
                                                                                                 
          change in current assets and liabilities, excluding effects of deconsolidation of subsidiary:
                                                                                                 
          deconsolidation of subsidiary
                                                                                                 
          gain from sale of equity method investment
                                                                                                
          gain from disposition of consolidated subsidiary
                                                                                                 
          sales and maturities of investments
                                                 90,000 270,000 3,270,000 100,000   421,000 269,000 100,000 234,000 90,000 3,090,000 180,000 270,000 2,566,000 316,000 7,980,000 280,000 284,000 9,170,000 2,390,000 3,924,000 2,613,000 2,488,000 388,000 1,161,000 1,040,000 825,000 4,646,000 21,493,000 7,662,000 52,606,000               
          proceeds from sale of equity method investment
                                                                                                
          acquisition of noncontrolling interest
                                             -372,000                                                 
          change in current assets and liabilities, excluding effects of disposition of consolidated subsidiary:
                                                                                                 
          accrued severance charges
                                                                                                 
          consolidated net loss
                                          38,000 -445,000 -954,000         -43,000 -3,669,000 -4,932,000 -5,426,000                                         
          adjustments to reconcile consolidated net loss to net cash from operating activities:
                                                                                                 
          credit gain on available for sale securities
                                                               -1,000 -3,000                                 
          purchases of investments
                                                     -260,000        -90,000 -180,000 -501,000 -333,000 -180,000 -90,000 -100,000 -270,000 -538,000 -180,000 -423,000 -1,092,000 -1,311,000 -451,000 -1,558,000 -8,254,000 -36,582,000 -29,652,000               
          noncontrolling interest dividends paid
                                                                     -255,000                           
          change in assets and liabilities, excluding effects of disposition of consolidated subsidiary:
                                                                                                 
          change in assets and liabilities, excluding effects of disposition of consolidated subsidiary: - sum
                                                                                                 
          benefit for doubtful accounts
                                                                                                 
          supplemental disclosure of non-cash financing activities:
                                                                                                 
          credit loss on available for sale securities
                                                                 -7,000 72,000 -360,000 -7,000 35,000 69,000 -1,000 43,000 -3,000 -6,000                       
          purchases of common stock
                                                                                               
          reversal of excess tax benefit of share-based compensation
                                                                                                 
          impairment of goodwill
                                                                                                 
          excess tax benefit of share-based compensation
                                                                -51,000 -89,000 -32,000 -12,000                             
          excess (reversal of) tax benefit of share-based compensation
                                                                                                 
          change in assets and liabilities:
                                                                                                 
          change in assets and liabilities: - sum
                                                                                                 
          excess tax benefit of stock-based compensation
                                                          -10,000 -43,000 -27,000 -26,000                                   
          credit loss on available-for-sale securities
                                                      -19,000    -1,000                                       
          severance charges
                                                           1,361,000             16,000 126,000                       
          common stock dividends paid
                                                                           -6,907,000      -6,235,000  -6,313,000           
          excess (reversal) tax benefit of share-based compensation
                                                                                                 
          purchase of common stock
                                                            -10,392,000                                     
          unrealized gain on trading securities
                                                                      -933,000 -37,000  -271,000 -398,000 -27,000                     
          unrealized loss on auction rate security rights
                                                                     929,000 33,000 562,000 257,000 49,000 96,000                     
          change in restricted cash
                                                                       172,000 -23,000 138,000 35,000    -72,000                 
          stock compensation expense
                                                                318,000 479,000 605,000 455,000 384,000 413,000 160,000 174,000 124,000 152,000 142,000 163,000 200,000 240,000 293,000 286,000 302,000 169,000 177,000 127,000 194,000 228,000 173,000 172,000 178,000         
          accrual for litigation settlements
                                                                                                 
          proceeds from exercise of stock options
                                                                  28,000 385,000 33,000  67,000                           
          adjustments to reconcile consolidated net income
                                                                                                 
          to net cash from operating activities:
                                                                                                 
          unrealized loss on trading securities
                                                                                                 
          unrealized gain on acquisition of auction rate security rights
                                                                                                 
          loss from equity method investee
                                                                                790,000  170,000               
          purchase of equity method investment
                                                                             -1,000,000               
          accrued severance
                                                                                                 
          accrual for litigation settlement
                                                                                                 
          gain on disposals of equipment
                                                                      -1,000            -85,000               
          adjustments to reconcile net income to net cash provided by (used in) operating activities:
                                                                                                 
          accretion of bond discount
                                                                                                 
          insurance receivable for litigation
                                                                                                 
          net income
                                                                            -2,543,000 -3,501,000 609,000 -1,323,000 620,000 1,497,000 543,000 893,000 2,402,000 -38,150,000 2,462,000 2,874,000 3,076,000 2,080,000 1,708,000 89,000 39,000     
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                 
          net income attributable to noncontrolling interest
                                                                          299,000 417,000 392,000                     
          net loss
                                                                                             -2,022,000 -572,000 61,000 -1,190,000 
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                 
          severance charge
                                                                            3,098,000                     
          loss from equity method investment
                                                                                                 
          loss on litigation — related settlement
                                                                                                 
          minority interest in net income of subsidiaries
                                                                             365,000 501,000 506,000 445,000 360,000 90,000 72,000 17,000 145,000 113,000 151,000 153,000  338,000 231,000 90,000     
          long-term deferred revenue
                                                                             -6,000 200,000                   
          change in assets and liabilities
                                                                                                 
          decrease in restricted cash and short term investments
                                                                                                 
          dividends paid
                                                                                 -6,242,000               
          acquisitions of treasury stock
                                                                                     -5,951,000 -2,886,000 -1,998,000 -2,267,000 -1,375,000 -1,902,000 -482,000    
          loss from equity method investment, net of tax
                                                                              87,000                   
          change in restricted cash and cash equivalents
                                                                              21,000                   
          adjustments to reconcile net income to net cash (used in) provided by operating activities:
                                                                                                 
          amortization of bond (discount) premium
                                                                                 -28,000 -116,000               
          net cash (used by) provided by operating activities
                                                                                                 
          sales and maturities of short-term and long-term investments
                                                                                    77,460,000 90,503,000 64,041,000 30,272,000 15,085,000         
          loss on litigation-related settlement
                                                                                                 
          other than temporary decline in investments
                                                                                                 
          purchase of short-term and long-term investments
                                                                                                 
          common stock dividends
                                                                                        -5,030,000       
          change in current assets and liabilities: - sum
                                                                                                 
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                 
          other than temporary decline in investment
                                                                                              43,000   
          purchase of short-term investments
                                                                                                 
          accounts payable and other accrued items
                                                                                                 
          proceeds from sale of investment
                                                                                                 
          loss on sale of investment
                                                                                                 
          unrealized gain on foreign currency
                                                                                                 
          sale and maturities of short-term investments
                                                                                              14,030,000 11,200,000 25,219,000 
          gain on sale of investment
                                                                                                 
          unrealized loss on foreign currency