7Baggers
Quarterly
Annual
    Unit: USD2022-03-31 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 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 
      
                                                                  
      assets
                                                                  
      current assets:
                                                                  
      cash and cash equivalents
    1,275,536,000 802,751,000 578,447,000 593,224,000 981,052,000 489,941,000 77,547,000 72,589,000 108,770,000 52,775,000 28,914,000 28,554,000 56,938,000 43,695,000 38,694,000 38,675,000 101,812,000 36,086,000 172,994,000 175,048,000 197,494,000 169,508,000 153,363,000 155,567,000 153,447,000 191,471,000 182,560,000 204,735,000 229,429,000 200,895,000 17,365,000 18,075,000 25,160,000 8,388,000 10,248,000 21,949,000 44,375,000 14,856,000 17,842,000 19,879,000 21,555,000 61,332,000 51,045,000 65,296,000 58,938,000 6,788,000 7,229,000 14,831,000 20,263,000 89,003,000 60,348,000 49,433,000 36,893,000 38,980,000 36,625,000 30,594,000 39,061,000 39,803,000 34,930,000 24,328,000 27,078,000 43,893,000 
      marketable securities
    44,270,000 25,758,000                                                3,999,000 4,984,000            
      accounts receivable
    569,817,000 377,969,000 335,560,000 46,216,000 70,170,000 497,688,000 353,154,000 111,027,000 102,146,000 94,496,000 77,646,000 44,643,000 69,234,000 58,677,000 66,845,000 44,703,000 92,254,000 67,046,000 41,575,000 19,836,000 20,943,000 24,990,000 26,191,000 16,232,000 26,446,000 18,398,000 31,020,000 15,694,000 18,676,000 34,466,000 24,458,000 17,233,000 16,676,000 29,928,000 19,640,000 13,595,000 14,108,000 32,570,000 17,132,000 12,781,000 14,447,000 14,646,000 17,305,000 10,870,000 16,210,000 13,477,000 12,862,000 10,235,000 13,003,000 9,717,000 25,428,000 8,808,000 8,242,000 11,479,000 18,139,000 15,303,000 6,167,000 13,497,000 15,819,000 13,242,000 6,703,000 10,160,000 
      inventories
    181,388,000 198,765,000 196,976,000 218,506,000 174,669,000 113,798,000 95,221,000 92,618,000 58,708,000 58,086,000 61,742,000 64,622,000 66,647,000 67,379,000 63,309,000 59,714,000 57,961,000 67,078,000 23,429,000 22,964,000 22,470,000 26,045,000 23,364,000 23,137,000 24,820,000 26,388,000 24,568,000 23,681,000 22,894,000 24,763,000 23,514,000 23,525,000 24,986,000 27,639,000 27,361,000 24,664,000 20,722,000 15,496,000 16,909,000 17,113,000 16,206,000 14,654,000 14,851,000 15,236,000 14,834,000 17,707,000 19,263,000 19,918,000 20,520,000 15,038,000 12,883,000 11,889,000 10,236,000 8,947,000 9,625,000 9,381,000 9,154,000 8,069,000 8,500,000 7,816,000 7,534,000 6,698,000 
      prepaid expenses and other current assets
    42,639,000 35,067,000 38,082,000 59,741,000 56,822,000 40,975,000 35,014,000 20,703,000 16,855,000 16,870,000 17,112,000 19,693,000 18,823,000 23,646,000 31,301,000 24,880,000 15,983,000 14,375,000 6,477,000 7,405,000 4,038,000 4,851,000 5,617,000 5,269,000 5,333,000 4,344,000 3,371,000 4,111,000 3,367,000 3,554,000 3,568,000 4,949,000 5,782,000 4,302,000 7,854,000 6,058,000 5,752,000 5,228,000 6,380,000 3,859,000 4,766,000 3,246,000 3,529,000 2,835,000 3,029,000 2,552,000 3,499,000 3,118,000 4,046,000 2,448,000 1,973,000 1,780,000 2,413,000 2,222,000 1,690,000    1,354,000    
      total current assets
    2,113,650,000 1,440,310,000 1,149,065,000 917,687,000 1,282,713,000 1,142,402,000 560,936,000 296,937,000 286,479,000 222,227,000 185,414,000 157,512,000 211,642,000 193,397,000 200,149,000 167,972,000 268,010,000 331,229,000 244,475,000 225,253,000 244,945,000 225,394,000 208,535,000 200,205,000 210,046,000 240,664,000 251,083,000 260,611,000 285,291,000 275,121,000 89,718,000 72,016,000 80,965,000 78,619,000 70,518,000 71,001,000 91,579,000 74,772,000 69,080,000 64,449,000 67,791,000 104,726,000 92,841,000 99,797,000 107,135,000 56,027,000 55,617,000 64,577,000 75,147,000 126,223,000 110,659,000 78,337,000 59,374,000 63,218,000 67,669,000 56,860,000 56,270,000 63,576,000 60,603,000 46,810,000 42,984,000 63,178,000 
      property, plant and equipment
    364,248,000 349,202,000 319,949,000 251,045,000 169,627,000 110,481,000 87,697,000 83,723,000 79,915,000 79,762,000 79,183,000 76,909,000 75,356,000 73,901,000 70,235,000 66,522,000 62,856,000 61,585,000 50,035,000 51,015,000 49,880,000 50,858,000 50,204,000 50,238,000 51,957,000 52,547,000 52,267,000 50,511,000 49,315,000 49,226,000 48,886,000 50,302,000 50,389,000 48,057,000 45,343,000 41,404,000 36,565,000 34,156,000        31,755,000    21,251,000   19,227,000 19,348,000 20,058,000    19,557,000    
      marketable securities, non-current
    20,726,000 37,852,000                                                             
      right-of-use assets
    125,059,000 127,622,000 132,227,000 134,870,000 137,436,000 100,544,000 102,104,000 88,906,000 90,490,000 92,119,000 82,075,000 84,368,000 85,907,000                                                  
      goodwill
    337,017,000 337,021,000 337,023,000 337,027,000 337,026,000 337,032,000 337,024,000 337,019,000 337,017,000 337,018,000 337,016,000 337,021,000 337,019,000 337,021,000 337,025,000 337,023,000 337,032,000 337,028,000 91,433,000 91,676,000 83,837,000 83,834,000 83,864,000 83,825,000 83,828,000 80,730,000 80,733,000 80,732,000 80,729,000 80,748,000 80,763,000 80,763,000 80,763,000 80,763,000 81,538,000 82,716,000 71,013,000 71,013,000 71,013,000 71,013,000 71,013,000 71,013,000 71,013,000 71,013,000 71,013,000 71,013,000 70,411,000 70,827,000 70,935,000       13,072,000 13,072,000      
      intangible assets
    91,584,000 98,655,000 105,696,000 109,537,000 116,156,000 122,431,000 128,251,000 134,456,000 141,268,000 148,112,000 154,459,000 161,137,000 168,120,000 175,029,000 181,985,000 188,968,000 195,967,000 203,827,000 27,364,000 29,777,000 25,270,000 27,639,000 28,616,000 30,319,000 32,159,000 31,833,000 34,138,000 36,500,000 38,858,000 41,890,000 46,871,000 53,838,000 57,611,000 62,262,000 66,365,000 68,289,000 56,206,000 60,341,000 64,179,000 66,863,000 70,159,000 73,830,000 76,210,000 50,094,000 51,885,000 53,675,000 54,705,000 54,666,000 56,473,000 8,413,000 8,753,000 9,113,000 15,948,000 17,242,000 18,797,000   22,850,000 23,964,000 23,041,000 17,803,000 18,165,000 
      deferred tax asset
    20,232,000 20,089,000 43,994,000 44,151,000 44,316,000 44,762,000 24,943,000 24,523,000 24,424,000 24,502,000                                              8,864,000 8,864,000 8,864,000  8,994,000 9,461,000 8,534,000 
      other non-current assets
    20,609,000 19,623,000 18,428,000 13,335,000 10,095,000 13,512,000 8,403,000 7,367,000 7,173,000 7,127,000 6,893,000 6,559,000 5,709,000 4,831,000 4,490,000 3,016,000 1,778,000 1,582,000 514,000 569,000 565,000 525,000 532,000 520,000 768,000 731,000 821,000 857,000 1,000,000 4,565,000 1,499,000 1,595,000 1,691,000 1,784,000 1,756,000 1,691,000 1,713,000 1,817,000 1,970,000 1,110,000 1,310,000 1,239,000 1,434,000 1,413,000 1,566,000 2,123,000 1,788,000 1,706,000 1,876,000 1,393,000 1,518,000 1,533,000 496,000 496,000 459,000 659,000 708,000 783,000  854,000 909,000 900,000 
      total assets
    3,093,125,000 2,430,374,000 2,106,382,000 1,807,652,000 2,097,369,000 1,871,164,000 1,249,358,000 972,931,000 966,766,000 910,867,000 867,516,000 846,181,000 905,855,000 806,371,000 793,884,000 763,501,000 865,643,000 935,251,000 413,821,000 398,537,000 404,497,000 388,250,000 376,497,000 369,696,000 378,758,000 406,505,000 419,042,000 429,211,000 455,193,000 451,550,000 267,737,000 258,514,000 271,419,000 271,485,000 265,520,000 265,101,000 257,076,000 242,099,000 236,777,000 232,511,000 238,030,000 278,894,000 273,283,000 254,258,000 263,327,000 214,593,000 213,463,000 221,090,000 233,410,000 166,345,000 149,799,000 118,817,000 113,882,000 118,023,000 127,048,000 107,513,000 108,183,000 115,833,000 113,848,000 98,498,000 90,243,000 110,256,000 
      liabilities and stockholders’ equity
                                                                  
      current liabilities:
                                                                  
      accounts payable
    157,472,000 101,492,000 82,698,000 99,562,000 82,125,000 86,316,000 49,370,000 37,470,000 33,153,000 26,701,000 30,397,000 24,837,000 26,827,000 25,171,000 25,700,000 21,737,000 27,308,000 27,279,000 15,657,000 11,215,000 10,433,000 16,047,000 11,296,000 7,451,000 11,338,000 8,675,000 11,003,000 8,912,000 8,485,000 12,421,000 6,265,000 5,890,000 6,969,000 6,950,000 7,367,000 5,286,000 6,761,000 7,864,000 4,679,000 4,734,000 6,518,000 5,001,000 4,583,000 3,630,000 4,736,000 4,715,000 4,824,000 5,884,000 4,499,000 5,212,000 6,057,000 2,614,000 4,077,000 2,823,000 3,832,000 4,175,000 3,590,000 3,998,000 5,134,000 3,855,000 3,045,000 4,539,000 
      accrued payroll and related expenses
    27,820,000 40,385,000 30,149,000 16,559,000 16,612,000 34,781,000 28,216,000 22,506,000 14,195,000 17,286,000 12,223,000 13,917,000 10,969,000 19,210,000 17,118,000 15,317,000 9,942,000 15,926,000 9,771,000 9,426,000 7,259,000 9,642,000 7,907,000 8,086,000 6,147,000 9,627,000 9,264,000 7,706,000 7,365,000 8,349,000 7,387,000 6,070,000 6,211,000 7,485,000 6,796,000 5,537,000 5,475,000 6,016,000 5,394,000 4,436,000 4,200,000 5,377,000 5,766,000 4,655,000 4,740,000 3,013,000 3,977,000 4,297,000 5,034,000 5,187,000 4,715,000 3,440,000   1,976,000 1,923,000   1,847,000    
      income taxes payable
    205,240,000 66,945,000 71,993,000 6,585,000 169,619,000  51,376,000            1,124,000 1,101,000 1,045,000 1,045,000 985,000 985,000 910,000 910,000 1,746,000 806,000 806,000 806,000 1,964,000 2,076,000 2,118,000 2,118,000 1,945,000 1,548,000 5,347,000 4,548,000 4,413,000 4,667,000 4,667,000 4,667,000 2,937,000 2,829,000 2,929,000  758,000   6,151,000             
      operating lease liabilities
    9,715,000 10,039,000 9,618,000 8,952,000 8,149,000 7,799,000 7,442,000 6,670,000 6,523,000 6,412,000 5,598,000 82,386,000 83,818,000                                                  
      contingent consideration
    5,957,000 5,986,000 5,835,000 5,845,000 5,957,000 5,987,000 5,801,000 5,811,000 5,936,000 5,969,000 5,746,000  15,129,000  14,904,000 14,904,000                                               
      deferred consideration
    41,970,000 41,945,000 41,922,000 41,898,000 42,000,000 42,000,000 42,000,000 42,000,000 42,000,000 42,000,000 42,000,000  145,501,000  140,845,000 138,559,000                                               
      other current liabilities
    44,482,000 56,728,000 54,873,000 29,866,000 42,474,000 32,290,000 16,985,000 28,413,000 21,612,000 14,862,000 10,474,000 7,694,000 13,521,000 12,992,000 13,898,000 10,713,000 14,062,000 12,666,000 9,061,000 6,255,000 8,967,000 4,999,000 4,891,000 5,036,000 7,025,000 6,999,000 9,238,000 10,070,000 13,980,000 8,043,000 8,444,000 5,557,000 8,433,000 7,640,000 4,040,000 5,192,000 7,239,000 8,649,000 4,760,000 3,039,000 3,804,000 7,126,000 7,034,000 5,234,000 5,134,000 5,507,000 5,440,000 4,884,000 6,170,000 7,227,000 7,270,000 971,000 1,345,000 2,050,000 4,564,000    5,623,000    
      total current liabilities
    492,656,000 323,520,000 297,088,000 209,267,000 366,936,000 336,961,000 207,886,000 182,978,000 136,196,000 125,891,000 127,172,000 112,112,000 159,553,000 159,735,000 158,449,000 152,313,000 197,296,000 128,348,000 38,935,000 31,327,000 29,130,000 33,612,000 25,348,000 23,287,000 28,143,000 30,830,000 36,330,000 34,224,000 36,122,000 36,385,000 31,119,000 19,607,000 23,694,000 24,009,000 21,168,000 18,219,000 22,841,000 23,161,000 15,429,000 12,953,000 15,257,000 32,926,000 33,916,000 15,549,000 19,365,000 15,777,000 17,159,000 16,956,000 18,266,000 29,524,000 23,635,000 9,935,000 12,209,000 12,222,000 14,606,000 14,110,000 11,142,000 12,482,000 16,619,000 12,509,000 7,166,000 27,002,000 
      operating lease liabilities - non-current
    135,668,000 128,556,000 133,212,000 135,660,000 138,042,000 100,706,000 102,357,000 89,887,000 91,571,000 93,227,000 80,924,000                                                    
      deferred consideration - non-current
    37,448,000 36,491,000 35,545,000 34,611,000 75,403,000 73,951,000 72,408,000 70,994,000 111,277,000 109,382,000 107,510,000 105,662,000  143,158,000    177,158,000                                             
      contingent consideration - non-current
    87,000 87,000   5,909,000 5,909,000 5,539,000 5,538,000 10,565,000 10,566,000 9,948,000 9,948,000  15,129,000    18,008,000                                             
      other non-current liabilities
    12,344,000 12,358,000 6,470,000 17,035,000 21,365,000 20,934,000 11,921,000 11,825,000 11,958,000 11,981,000 7,799,000 7,922,000 7,968,000 9,577,000 8,044,000 7,857,000 7,142,000 6,941,000 317,000 302,000 287,000 272,000 317,000 299,000 282,000 264,000 265,000 245,000 515,000 493,000 784,000 1,166,000 3,155,000 2,820,000 1,299,000 903,000 1,658,000 694,000 952,000 1,011,000 1,096,000 928,000 1,015,000 1,100,000 1,186,000 1,271,000 2,104,000 2,148,000 2,191,000 696,000 1,807,000 1,864,000           
      commitments and contingencies
                                                                  
      stockholders’ equity:
                                                                  
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2022 and december 31, 2021
                                                                  
      common stock
    42,000 42,000 42,000 42,000 43,000 42,000 42,000 42,000 42,000 42,000 42,000 41,000 40,000 39,000 39,000 39,000 37,000 35,000 34,000 33,000 33,000 33,000 33,000 32,000 32,000 33,000 33,000 34,000 34,000 34,000 34,000 34,000 34,000 34,000 34,000 34,000 34,000 33,000 33,000 33,000 33,000 33,000 33,000 33,000 33,000 29,000 29,000 28,000 29,000 29,000 30,000 30,000 32,000 33,000 33,000 33,000 34,000 34,000 34,000 37,000 35,000 33,000 
      additional paid-in capital
    285,508,000 279,768,000 275,325,000 267,890,000 366,454,000 388,121,000 375,255,000 369,425,000 430,499,000 425,557,000 429,920,000 421,996,000 374,148,000 363,921,000 359,186,000 350,401,000 309,051,000 239,489,000 226,186,000 214,380,000 210,094,000 204,905,000 199,049,000 194,769,000 192,293,000 209,121,000 209,474,000 219,402,000 231,806,000 229,374,000 208,838,000 205,523,000 203,772,000 201,021,000 196,060,000 193,526,000 190,702,000 184,431,000 180,059,000 176,471,000 174,705,000 175,030,000 172,932,000 171,011,000 169,209,000 109,802,000 108,050,000 106,749,000 109,758,000 112,426,000 124,227,000 121,543,000 141,291,000 143,447,000 155,357,000 153,056,000 158,631,000 160,704,000 161,662,000 160,039,000 157,969,000 153,687,000 
      accumulated other comprehensive income
    239,000 355,000 820,000 1,019,000 162,000      143,000 49,000    6,000 20,000       -33,000      -29,000 -17,000 3,000 7,000 18,000                34,000             
      retained earnings
    2,129,133,000 1,649,197,000 1,357,880,000 1,142,128,000 1,123,055,000 944,971,000 474,841,000 242,573,000 174,921,000 134,684,000 104,058,000 87,877,000 86,607,000 61,763,000 29,284,000 18,462,000 21,538,000    10,035,000    6,107,000 9,553,000 9,930,000 10,692,000 19,623,000 15,632,000 8,519,000 14,286,000 21,194,000 22,706,000 21,567,000 25,928,000 27,683,000 15,316,000 6,576,000 7,252,000 10,374,000 10,323,000 9,365,000 10,478,000 14,138,000 2,690,000 3,115,000 8,976,000 11,443,000 13,961,000             
      total stockholders’ equity
    2,414,922,000 1,929,362,000 1,634,067,000 1,411,079,000 1,489,714,000 1,332,703,000 849,247,000 611,709,000 605,199,000 559,820,000 534,163,000 509,963,000 460,698,000 425,584,000 388,454,000 368,908,000 330,646,000 227,104,000 218,884,000 212,588,000 220,118,000 200,630,000 196,747,000 193,035,000 198,403,000 218,676,000 219,414,000 230,113,000 251,451,000 245,011,000 217,374,000 219,846,000 225,007,000 223,779,000 217,661,000 219,488,000 218,419,000 199,780,000 186,668,000 183,756,000 185,112,000 185,386,000 182,330,000 181,522,000 183,380,000 112,521,000 111,194,000 115,753,000 121,230,000 126,450,000 118,111,000 100,487,000 93,034,000 96,896,000 103,276,000 84,027,000 87,457,000 93,564,000 87,243,000 75,814,000 72,696,000 72,672,000 
      total liabilities and stockholders’ equity
    3,093,125,000 2,430,374,000 2,106,382,000 1,807,652,000 2,097,369,000 1,871,164,000 1,249,358,000 972,931,000 966,766,000 910,867,000 867,516,000 846,181,000 905,855,000 806,371,000 793,884,000 763,501,000 865,643,000 935,251,000 413,821,000 398,537,000 404,497,000 388,250,000 376,497,000 369,696,000 378,758,000 406,505,000 419,042,000 429,211,000 455,193,000 451,550,000 267,737,000 258,514,000 271,419,000 271,485,000 265,520,000 265,101,000 257,076,000 242,099,000 236,777,000 232,511,000 238,030,000 278,894,000 273,283,000 254,258,000 263,327,000 214,593,000 213,463,000 221,090,000 233,410,000 166,345,000 149,799,000 118,817,000 113,882,000 118,023,000 127,048,000 107,513,000 108,183,000 115,833,000 113,848,000 98,498,000 90,243,000 110,256,000 
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2021 and 2020
                                                                  
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2021 and december 31, 2020
                                                                  
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2021 and december 31, 2020
                                                                  
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2021 and december 31, 2020
                                                                  
      income tax payable
         127,788,000                                                         
      convertible senior notes
          6,696,000 12,844,000 12,777,000 12,661,000 12,546,000 12,431,000      149,868,000                                             
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2020 and 2019
                                                                  
      accumulated other comprehensive loss
         -431,000 -891,000 -331,000 -263,000 -463,000   -97,000 -139,000 -55,000    -4,000 -18,000 -44,000 -53,000 -30,000  -29,000 -31,000 -23,000 -15,000 -12,000                                  
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2020 and december 31, 2019
                                                                  
      convertible senior notes derivative
           27,264,000                                                       
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2020 and december 31, 2019
                                                                  
      preferred stock, 0.001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2020 and december 31, 2019
                                                                  
      revolving credit facility - non-current
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2019 and 2018
                                                                  
      deferred tax asset—non-current
              22,476,000 22,675,000 22,102,000 22,192,000      247,000   4,746,000 4,589,000                          9,065,000 9,040,000 11,240,000 18,837,000 17,719,000 20,065,000        
      revolving credit facility
              8,188,000 18,188,000 33,188,000 53,188,000 83,188,000                                                
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2019 and december 31, 2018
                                                                  
      current portion of operating lease liabilities
               5,474,000 5,385,000                                                  
      current portion of contingent consideration
               5,759,000 3,971,000 3,983,000 3,848,000 7,125,000 5,276,000 6,293,000 4,324,000 4,317,000 2,365,000 2,826,000 630,000 1,143,000 1,125,000 1,286,000 598,000 599,000 598,000 733,000 619,000 1,616,000 1,624,000 1,493,000 2,540,000 1,795,000                           
      current portion of deferred consideration
               42,000,000 44,000,000 44,000,000 44,000,000 44,000,000 46,000,000 46,000,000                                             
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2019 and december 31, 2018
                                                                  
      current portion of convertible senior notes
                54,880,000 54,379,000 53,885,000 53,421,000 87,790,000                                              
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2019 and december 31, 2018
                                                                  
      assets held for sale
                     146,644,000                                            500,000 
      current portion of revolving credit facility
                     10,000,000                                             
      current portion of term loan
                    6,918,000                                              
      term loan
                   80,960,000 132,167,000 227,394,000                                             
      deferred tax liability - non-current
                     430,000                                             
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2018 and 2017
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2018 and december 31, 2017
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2018 and december 31, 2017
                                                                  
      deferred consideration—non-current
                    179,952,000                                              
      contingent consideration—non-current
                    18,008,000  356,000 374,000 2,324,000 2,349,000 4,445,000 4,532,000 4,551,000 4,230,000 5,009,000 5,009,000 5,006,000 5,023,000 6,100,000 6,119,000 6,122,000 7,315,000 7,973,000 10,124,000                           
      deferred tax liability—non-current
                    432,000  166,000 63,000 59,000 58,000 55,000 55,000 56,000 1,970,000 7,956,000 11,668,000 15,315,000 14,890,000 3,481,000 2,759,000 6,318,000 6,318,000 10,232,000 9,465,000 3,349,000 3,349,000 4,648,000 5,361,000 7,041,000 7,040,000 3,715,000 3,750,000 6,826,000 2,313,000 458,000 560,000 6,218,000              
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2018 and december 31, 2017
                                                                  
      current portion of long-term debt
                     10,184,000                                             
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2017 and 2016
                                                                  
      accumulated deficit
                     -12,420,000 -7,332,000 -1,807,000                               -6,146,000 -21,086,000    -70,410,000  -68,504,000  -83,434,000 -84,134,000 -82,424,000 
      current portion of lease obligation
                      122,000 114,000 106,000 98,000 624,000 610,000 596,000 585,000 710,000 643,000 576,000 509,000 491,000 474,000 457,000 441,000 425,000 409,000 394,000 380,000 367,000 353,000 341,000 329,000 316,000 303,000 292,000 280,000 260,000 241,000 223,000 234,000             
      long-term debt
                      148,469,000 147,081,000 145,705,000 144,340,000 142,986,000 141,643,000 140,311,000 143,297,000 141,946,000 140,605,000 139,276,000 142,097,000                                 
      lease obligation, net of current portion
                      3,885,000 3,919,000 3,950,000 3,979,000 3,560,000 3,722,000 3,880,000 4,032,000 4,041,000 4,237,000 4,429,000 4,617,000 4,750,000 4,880,000 5,005,000 5,126,000 5,242,000 5,354,000 5,462,000 5,567,000 5,667,000 5,763,000 5,857,000 5,947,000 6,033,000 6,117,000 6,197,000 6,276,000 6,637,000 6,709,000 6,489,000 6,527,000             
      deferred rent
                      1,685,000 1,782,000 1,879,000 1,965,000 2,054,000 2,138,000 2,222,000 2,296,000 2,335,000 2,304,000 2,273,000 2,228,000 2,165,000 2,061,000                  788,000 828,000 868,000 1,249,000 1,326,000 1,402,000 1,438,000 1,475,000 1,511,000 1,547,000 1,583,000 1,620,000 1,656,000 
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2017 and december 31, 2016
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2017 and december 31, 2016
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2017 and december 31, 2016
                                                                  
      restricted cash
                             63,000 1,810,000 4,861,000 3,465,000 3,127,000 6,047,000                                
      deferred grant revenue
                           961,000 1,912,000 3,658,000 5,517,000 6,294,000 5,118,000 6,330,000 7,913,000                                
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2016 and 2015
                                                                  
      (accumulated deficit) retained earnings
                         -4,255,000 -2,305,000 -1,733,000                                       
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2016 and december 31, 2015
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2016 and december 31, 2015
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2016 and december 31, 2015
                                                                  
      deferred tax asset—current
                              7,754,000 7,529,000 7,460,000 8,316,000 14,766,000 8,234,000 8,361,000 8,362,000 5,415,000 4,735,000 6,622,000 6,622,000 10,681,000 10,681,000 10,681,000 10,681,000 6,034,000 5,063,000 5,787,000 7,159,000 7,308,000 13,383,000 13,383,000 6,018,000 5,043,000 6,427,000 1,590,000 1,590,000 1,590,000        
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2015 and 2014
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2015 and december 31, 2014
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2015 and december 31, 2014
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2015 and december 31, 2014
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2014 and 2013
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2014 and december 31, 2013
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2014 and december 31, 2013
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2014 and december 31, 2013
                                                                  
      long term debt
                                         5,000,000 19,000,000 19,000,000 19,000,000 42,000,000 43,337,000 43,391,000 43,444,000 73,498,000 73,551,000 76,604,000 76,656,000              
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at december 31, 2013 and 2012
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2013 and december 31, 2012
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2013 and december 31, 2012
                                                                  
      accrued royalties
                                        288,000 252,000 229,000 391,000 394,000 15,093,000 16,217,000 1,727,000 4,463,000 2,262,000 1,900,000 1,650,000 2,340,000 5,513,000 4,652,000 1,995,000 1,720,000 2,825,000 3,559,000 2,145,000 1,366,000 2,368,000 3,367,000 1,939,000 851,000 1,088,000 
      income taxs payable
                                        2,684,000                          
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2013 and december 31, 2012
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at december 31, 2012 and 2011
                                                                  
      income tax receivable
                                          136,000 136,000 136,000 167,000 77,000 497,000 8,337,000 8,344,000 5,456,000                
      property and equipment
                                          30,535,000 29,076,000 27,757,000 28,086,000 31,785,000 31,941,000 31,728,000  30,942,000 29,314,000 28,979,000  19,829,000 18,594,000    20,288,000 20,603,000 19,760,000  18,799,000 19,086,000 19,479,000 
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2012 and december 31, 2011
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2012 and december 31, 2011
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2012 and december 31, 2011
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at december 31, 2011 and 2010
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2011 and december 31, 2010
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2011 and december 31, 2010
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2011 and december 31, 2010
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at december 31, 2010 and 2009
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2010 and december 31, 2009
                                                                  
      refundable income taxes
                                                   3,092,000 3,932,000              
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2010 and december 31, 2009
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at march 31, 2010 and december 31, 2009
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at december 31, 2009 and 2008
                                                                  
      current portion of obligations under capital leases
                                                      941,000 915,000 719,000 697,000 675,000 654,000 653,000 650,000 648,000 647,000 628,000 608,000 
      capital leases, net of current portion
                                                      5,418,000 5,663,000 7,390,000 7,579,000 7,764,000 7,938,000 8,109,000 8,276,000 8,439,000 8,592,000 8,761,000 8,926,000 
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at september 30, 2009 and december 31, 2008
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized; none issued or outstanding at june 30, 2009 and december 31, 2008
                                                                  
      payroll and related expenses
                                                        4,348,000 3,827,000         
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at june 30, 2007 and december 31, 2006
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at march 31, 2007 and december 31, 2006
                                                                  
      preferred stock, .001 par value per share; 5,000 shares authorized, none issued or outstanding at december 31, 2006 and 2005
                                                                  
      deferred stock compensation
                                                               -2,166,000 -2,513,000  
      accumulated other comprehensive earnings
                                                           1,348,000 1,345,000 1,330,000 1,326,000 1,338,000 1,339,000 1,376,000 
      prepaids and other current assets
                                                           1,582,000       
      purchased intangible assets
                                                           7,770,000 8,666,000      
      other accrued liabilities
                                                           5,213,000 5,533,000 5,466,000  4,470,000 1,255,000 2,121,000 
      other current assets
                                                            1,888,000 2,207,000  1,424,000 1,669,000 1,927,000 
      deferred tax assets
                                                              8,864,000    
      other assets
                                                              860,000    
      deferred revenue
                                                                  
      preferred stock, .001 par value; 5,000 shares authorized, none issued or outstanding
                                                                  
      accrued payroll
                                                               1,598,000 1,387,000 1,646,000 
      accrued patent litigation
                                                                 17,000,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.