7Baggers

Amicus Therapeutics, Inc
(NASDAQ:FOLD) 

FOLD stock logo

Amicus Therapeutics, Inc., a biotechnology company, focuses on discovering, developing, and delivering medicines for people living with rare metabolic diseases. Its commercial product and product candidates include Galafold, an oral precision medicine for the treatment of adults with a confirmed dia...

Founded: 2002
Full Time Employees: 584
Sector: Healthcare
Industry: Biotechnology

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Quarterly
Annual
    Unit: USD2025-12-31 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 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-02-04 2013-09-30 2013-06-30 2013-03-31 2013-02-04 2012-09-30 2012-06-30 2012-03-31 2012-02-04 2011-12-31 2011-09-30 2011-06-30 2011-02-04 2010-12-31 2010-09-30 2010-03-31 2010-02-04 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2009-02-04 2008-12-31 2008-06-30 2008-03-31 2008-02-04 2007-12-31 2007-09-30 2007-06-30 2007-02-04 
                                                                             
      net product sales
    185,212,000 169,061,000 154,688,000 125,249,000 149,706,000 141,517,000 126,669,000 110,403,000 115,082,000 103,501,000 94,503,000 86,270,000 88,096,000 81,691,000 80,731,000 78,715,000 82,154,000 79,545,000 77,413,000 66,402,000 70,571,000 67,437,000 62,353,000 60,525,000 55,293,000 48,768,000 44,130,000 34,046,000 32,644,000 20,596,000 21,309,000 16,696,000 10,874,000 7,158,000 4,169,000 2,127,000                                      
      yoy
    23.72% 19.46% 22.12% 13.45% 30.09% 36.73% 34.04% 27.97% 30.63% 26.70% 17.06% 9.60% 7.23% 2.70% 4.29% 18.54% 16.41% 17.95% 24.15% 9.71% 27.63% 38.28% 41.29% 77.77% 69.38% 136.78% 107.10% 103.92% 200.20% 187.73% 411.13% 684.96%                                          
      qoq
    9.55% 9.29% 23.50% -16.34% 5.79% 11.72% 14.73% -4.07% 11.19% 9.52% 9.54% -2.07% 7.84% 1.19% 2.56% -4.19% 3.28% 2.75% 16.58% -5.91% 4.65% 8.15% 3.02% 9.46% 13.38% 10.51% 29.62% 4.29% 58.50% -3.35% 27.63% 53.54% 51.91% 71.70% 96.00%                                       
      cost of goods sold
    26,547,000 19,467,000 15,217,000 11,698,000 14,836,000 13,279,000 11,261,000 13,567,000 11,324,000 9,946,000 9,114,000 6,942,000 9,384,000 13,436,000 8,197,000 7,582,000 7,851,000 11,696,000 8,380,000 6,539,000 9,417,000 8,399,000 6,676,000 6,552,000 6,945,000 5,596,000 5,367,000 4,055,000 2,515,000 4,310,000 3,135,000 2,615,000 1,790,000 1,061,000 775,000 344,000                                      
      gross profit
    158,665,000 149,594,000 139,471,000 113,551,000 134,870,000 128,238,000 115,408,000 96,836,000 103,758,000 93,555,000 85,389,000 79,328,000 78,712,000 68,255,000 72,534,000 71,133,000 74,303,000 67,849,000 69,033,000 59,863,000 61,154,000 59,038,000 55,677,000 53,973,000 48,348,000 43,172,000 38,763,000 29,991,000 28,300,000 16,286,000 18,174,000 14,081,000 9,084,000 6,097,000 3,394,000 1,783,000                                      
      yoy
    17.64% 16.65% 20.85% 17.26% 29.99% 37.07% 35.16% 22.07% 31.82% 37.07% 17.72% 11.52% 5.93% 0.60% 5.07% 18.83% 21.50% 14.92% 23.99% 10.91% 26.49% 36.75% 43.63% 79.96% 70.84% 165.09% 113.29% 112.99% 211.54% 167.11% 435.47% 689.74%                                          
      qoq
    6.06% 7.26% 22.83% -15.81% 5.17% 11.12% 19.18% -6.67% 10.91% 9.56% 7.64% 0.78% 15.32% -5.90% 1.97% -4.27% 9.51% -1.72% 15.32% -2.11% 3.58% 6.04% 3.16% 11.63% 11.99% 11.37% 29.25% 5.98% 73.77% -10.39% 29.07% 55.01% 48.99% 79.64% 90.35%                                       
      gross margin %
    85.67% 88.49% 90.16% 90.66% 90.09% 90.62% 91.11% 87.71% 90.16% 90.39% 90.36% 91.95% 89.35% 83.55% 89.85% 90.37% 90.44% 85.30% 89.17% 90.15% 86.66% 87.55% 89.29% 89.17% 87.44% 88.53% 87.84% 88.09% 86.69% 79.07% 85.29% 84.34% 83.54% 85.18% 81.41% 83.83% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN%  NaN% NaN% NaN% NaN% NaN% NaN%  NaN% NaN% NaN% NaN%  NaN% NaN% NaN%  NaN% NaN% NaN%  
      operating expenses:
                                                                             
      research and development
    23,741,000 23,415,000 60,848,000 27,839,000 30,190,000 26,160,000 24,683,000 28,329,000 35,029,000 40,704,000 35,149,000 41,499,000 63,871,000 52,970,000 78,319,000 81,517,000 85,596,000 59,333,000 63,003,000 64,117,000 79,293,000 70,419,000 69,611,000 89,120,000 91,912,000 58,892,000 70,981,000 64,593,000 57,217,000 138,227,000 34,660,000 40,798,000 40,641,000 31,985,000 30,876,000 32,457,000 18,281,000 23,425,000 20,971,000 17,234,000 16,113,000 12,049,000 9,978,000 367,829,000 10,110,000 10,725,000 11,989,000 327,882,000 11,499,000 13,723,000 14,004,000 279,624,000   11,618,000 237,507,000 13,154,000 8,862,000 8,889,000  10,127,000 12,609,000 13,470,000 11,875,000   8,848,000 6,941,000  5,351,000 7,537,000 6,783,000  
      selling, general, and administrative
    117,081,000 90,036,000 84,543,000 91,827,000 86,668,000 75,106,000 73,576,000 88,029,000 70,239,000 65,651,000 65,423,000 73,957,000 54,274,000 47,272,000 53,379,000 58,116,000 57,601,000 46,107,000 42,276,000 46,726,000 43,685,000 37,850,000 34,657,000 40,215,000 43,300,000 39,680,000 42,578,000                                               
      restructuring charges
         3,143,000  6,045,000                            11,000 8,000 50,000 7,000 26,000 10,000 15,000  3,502,000    1,522,000    1,522,000    1,522,000                  
      loss on impairment of assets
      1,702,000        1,134,000     6,616,000                 465,427,000                                         
      depreciation and amortization
    1,897,000 1,874,000 1,852,000 1,837,000 2,041,000 2,170,000 2,182,000 2,154,000 2,182,000 2,228,000 2,206,000 1,257,000 1,311,000 1,286,000 1,334,000 1,411,000 1,518,000 1,520,000 1,567,000 1,604,000 2,547,000 2,496,000 2,039,000 1,764,000 1,514,000 1,116,000 1,154,000 991,000              375,000 396,000 13,899,000 429,000 450,000 439,000 12,207,000 422,000 442,000 420,000 10,483,000   426,000 9,342,000 481,000 511,000 536,000  547,000 561,000 519,000 505,000   332,000 321,000  231,000 315,000 312,000  
      total operating expenses
    142,719,000 115,325,000 148,945,000 121,503,000 118,899,000 106,579,000 100,441,000 124,557,000 107,450,000 110,578,000 104,249,000 116,964,000 121,040,000 102,095,000 133,147,000 146,472,000 146,449,000 110,248,000 107,867,000 112,918,000 125,989,000 111,799,000 107,022,000 132,030,000 137,371,000 100,477,000 115,193,000 111,270,000 97,783,000 172,467,000 65,105,000 70,263,000 284,316,000 53,158,000 55,409,000 46,723,000 48,542,000 43,001,000 38,045,000 26,943,000 24,058,000 17,109,000 14,741,000 543,865,000 15,174,000 16,005,000 17,251,000 480,495,000 16,916,000 19,984,000 18,519,000 410,421,000   18,764,000 354,310,000 17,458,000 13,265,000 13,350,000  16,534,000 18,387,000 19,212,000 17,575,000   14,298,000 12,448,000  8,080,500 11,806,000 10,284,000  
      income from operations
    15,946,000 34,269,000 -9,474,000 -7,952,000 15,971,000 21,659,000 14,967,000 -27,721,000 -3,692,000 -17,023,000 -18,860,000 -37,636,000 -42,328,000 -33,840,000 -60,613,000 -75,339,000 -72,146,000 -42,399,000 -38,834,000 -53,055,000 -64,835,000 -52,761,000 -51,345,000 -78,057,000 -89,023,000 -57,305,000 -76,430,000 -81,279,000 -69,483,000 -156,181,000 -46,931,000                        -14,724,000 -262,274,000 -16,536,000 -13,265,000 -13,350,000  32,942,000 -13,474,000 -13,851,000 -12,969,000   -10,491,000 -9,288,000  -8,080,500 -11,806,000 -10,284,000  
      yoy
    -0.16% 58.22% -163.30% -71.31% -532.58% -227.23% -179.36% -26.34% -91.28% -49.70% -68.88% -50.04% -41.33% -20.19% 56.08% 42.00% 11.28% -19.64% -24.37% -32.03% -27.17% -7.93% -32.82% -3.96% 28.12% -63.31% 62.86%                            10.29%  -150.20% -1.55% -3.62%    32.03% 39.63%   -11.14% -9.68%      
      qoq
    -53.47% -461.72% 19.14% -149.79% -26.26% 44.71% -153.99% 650.84% -78.31% -9.74% -49.89% -11.08% 25.08% -44.17% -19.55% 4.43% 70.16% 9.18% -26.80% -18.17% 22.88% 2.76% -34.22% -12.32% 55.35% -25.02% -5.97% 16.98% -55.51% 232.79%                         -94.39% 1486.08% 24.66% -0.64%   -344.49% -2.72% 6.80%    12.95%   -31.56% 14.80%   
      operating margin %
    8.61% 20.27% -6.12% -6.35% 10.67% 15.30% 11.82% -25.11% -3.21% -16.45% -19.96% -43.63% -48.05% -41.42% -75.08% -95.71% -87.82% -53.30% -50.16% -79.90% -91.87% -78.24% -82.35% -128.97% -161.00% -117.51% -173.19% -238.73% -212.85% -758.31% -220.24% 0% 0% 0% 0% 0% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN%  NaN% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity%  Infinity% -Infinity% -Infinity% -Infinity%  NaN% -Infinity% -Infinity%  -Infinity% -Infinity% -Infinity%  
      other expense:
                                                                             
      interest income
    833,000 829,000 843,000 812,000 1,416,000 1,081,000 1,370,000 1,540,000 1,671,000 1,471,000 1,737,000 2,199,000 1,972,000 563,000 356,000 133,000 186,000 108,000 50,000 165,000 328,000 518,000 865,000 1,515,000 2,259,000 2,752,000 2,599,000 2,639,000 3,090,000 2,721,000 2,913,000 1,737,000 1,190,000 753,000 759,000 460,000 331,000 307,000 316,000 158,000 171,000 55,000 36,000 14,605,000 36,000 46,000 65,000 14,454,000 92,000 116,000 27,000 14,100,000   46,000 14,018,000 35,000 33,000 53,000  73,000 129,000 269,000 526,000   1,331,000 1,702,000  836,500 1,593,000 1,060,000  
      interest expense
    -11,428,000 -11,711,000 -11,565,000 -11,455,000 -11,958,000 -12,692,000 -12,512,000 -12,436,000 -12,827,000 -12,986,000 -12,492,000 -11,844,000 -11,095,000 -9,620,000 -8,257,000 -8,147,000 -8,164,000 -8,165,000 -8,150,000 -7,992,000 -8,277,000 -6,784,000 -3,635,000 -3,729,000 -3,767,000 -4,026,000 -4,625,000 -6,454,000 -8,639,000 -4,715,000 -4,560,000                        -41,000 -2,274,000 -57,000 -66,000 -83,000  -123,000 -84,000 -41,000 -29,000   -59,000 -70,000  -67,250 -90,000 -86,000  
      other income
    -2,208,000 10,887,000 1,015,000 550,000 2,505,000 -3,263,000   -2,879,000 3,833,000 -10,902,000 -5,938,000 -18,628,000 13,634,000 7,268,000 1,902,000 -682,250 237,000   -810,000 3,019,000 5,326,000 -8,316,000   -877,000 1,086,000 -2,039,000 -1,039,000 -5,316,000 2,764,000 2,044,000 2,400,000 610,000             252,000  21,000  231,000    231,000                  
      income before income tax
    3,143,000 34,274,000   -9,172,500 6,785,000 108,000                                                                   
      income tax expense
    -1,453,000 -16,968,000 -5,239,000 -3,641,000   -15,805,000    -2,715,000    -911,000 -3,809,000   -4,525,000 -1,582,000   -3,703,000 -361,000                                                  
      net income attributable to common stockholders
    -7,200,000 17,306,000                                          -414,691,000    -356,573,000    -303,467,000    -271,909,000                  
      yoy
                                               16.30%    17.50%    11.61%                      
      qoq
    -141.60%                                                                         
      net income margin %
    -3.89% 10.24% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% NaN% NaN% NaN% NaN% NaN% NaN% -Infinity% NaN% NaN% NaN% -Infinity% NaN% NaN% NaN% -Infinity%  NaN% NaN% -Infinity% NaN% NaN% NaN%  NaN% NaN% NaN% NaN%  NaN% NaN% NaN%  NaN% NaN% NaN%  
      net income attributable to common stockholders per common share — basic
    -22.5 60                                                                        
      net income attributable to common stockholders per common share — diluted
    -22.5 60                                                                        
      weighted-average common shares outstanding — basic
     308,468,423,000                                                                        
      weighted-average common shares outstanding — diluted
     310,433,494,000                                                                        
      loss before income tax
      -19,181,000 -18,045,000    -43,583,000 -31,660,000 -24,705,000 -40,517,000 -53,219,000 -70,079,000 -29,263,000 -61,246,000 -81,451,000 -80,296,000 -50,476,000 -46,700,000 -64,082,000 -73,594,000 -63,284,000 -48,789,000 -88,587,000 -89,885,000 -62,060,000 -83,834,000 -120,131,000 -77,071,000 -159,214,000 -61,494,000                                           
      net loss attributable to common stockholders
      -24,420,000 -21,686,000 14,739,000 -6,729,000 -15,697,000 -48,419,000 -33,843,000 -21,577,000 -43,232,000 -52,932,000 -55,865,000 -33,286,000 -62,157,000 -85,260,000 -83,277,000 -50,294,000 -51,225,000 -65,664,000 -71,401,000 -64,011,000 -52,492,000 -88,948,000 -89,729,000 -61,809,000 -84,551,000 -120,299,000 -78,081,000 -159,163,000 -61,833,000 -49,916,000 -111,666,000 -48,136,000 -54,992,000          -14,589,000 -15,349,000 -17,458,000  -16,290,000 -9,343,000 -13,137,000    -12,641,000  -15,088,000 -15,357,000 -13,176,000  32,956,000 -13,429,000 -13,623,000 -12,472,000   -9,294,000 -7,731,000  -7,436,250 -10,303,000 -9,706,000  
      net loss attributable to common stockholders per common share — basic and diluted
      -80 -70 50 -20 -50 -160 -110 -70 -150 -180 -190 -120 -210 -300 -290 -190 -190 -250 -270 -250 -200 -350 -350 -240 -360 -560 -410 -840 -330 -280 -690 -340 -390            -350    -350      -480 -560 -540  1,460 -590 -600 -550   -410       
      weighted-average common shares outstanding — basic and diluted
    308,363,768,000  308,254,256,000 307,689,207,000 304,380,502,000 304,690,596,000 303,773,922,000 302,903,009,000 295,164,515,000 295,759,435,000 292,797,002,000 291,336,750,000 289,057,198,000 289,223,709,000 291,970,562,000 288,481,741,000 271,421,986,000 267,464,637,000 266,398,516,000 264,369,317,000 258,867,380,000 259,161,799,000 257,973,329,000 256,968,248,000 240,421,001,000 254,674,422,000 238,089,824,000 213,519,287,000 185,790,000 189,162,841,000 188,621,423,000 175,977,700,000 160,796,841,000 143,000,718,000 142,770,629,000 140,656,109,000 129,122,175,000  118,724,882,000 99,994,125,000 95,743,416,000 78,889,346,000 67,212,764,000  49,621,188,000 49,621,188,000 49,621,188,000  48,513,647,000 46,870,067,000 37,887,520,000    34,530,693,000  27,734,797,000 27,625,137,000 24,289,422,000  22,624,134,000 22,621,513,000 22,618,026,000 22,613,850,000  22,493,803,000 22,467,198,000   13,235,755,000    
      changes in fair value of contingent consideration payable
             1,995,000 337,000 251,000 1,584,000 567,000 115,000 -1,188,000 1,734,000 3,288,000 1,021,000 471,000 464,000 1,034,000 715,000 931,000 645,000 789,000 480,000 1,383,000 600,000 1,300,000 300,000 1,100,000  1,050,000 4,578,000  10,186,000 3,152,000 1,300,000 100,000 1,000,000   505,000                              
      income tax benefit
        6,805,000 -13,514,000  -4,836,000 -2,183,000 3,128,000  287,000 14,214,000 -4,023,000   -1,481,250 182,000   2,193,000 -727,000   156,000 251,000 -717,000 -168,000 -1,010,000 51,000 -339,000 1,392,000 164,683,000   253,000 453,000       12,220,000    8,708,000                          
      other expense
          -3,717,000 -4,966,000           234,000 -3,200,000     -818,000 -3,481,000                                                
      other income:
                                                                             
      loss on extinguishment of debt
                     -257,000    -7,276,000                  952,000                                  
      loss on exchange of convertible notes
                              -4,501,000 -36,123,000                                              
      revenue:
                                                                             
      change in fair value of derivatives
                                  -7,600,000 4,861,000                                          
      selling, general and administrative
                               44,303,000 38,765,000 31,867,000 29,172,000 27,396,000 21,647,000 19,311,000 19,132,000 17,469,000                                      
      depreciation
                                753,750 1,073,000 973,000 969,000 851,000 812,000 823,000 896,000 767,000 673,000 395,000 353,000 508,000                                 
      loss before income tax benefit
                                                                             
      net income
                                          -37,800,000 -27,133,000 -24,288,000 -17,149,000 -14,614,000            -12,641,000 -251,683,000 -15,088,000 -15,357,000 -13,176,000  32,956,000 -13,429,000 -13,623,000 -12,472,000   -9,294,000 -7,731,000  -11,773,000 -10,303,000 -9,396,000  
      net loss per common share — basic and diluted
                                       -330                                      
      general and administrative
                                        19,300,000 15,701,000 15,372,000 8,278,000 6,427,000 5,270,000 4,753,000 156,682,000 4,635,000 4,830,000 4,823,000 137,436,000 4,995,000 5,819,000 4,095,000 117,344,000   6,720,000 104,491,000 3,823,000 3,892,000 3,925,000  4,338,000 5,217,000 5,223,000 5,195,000   5,118,000 5,186,000  2,498,500 3,954,000 3,189,000  
      net loss per common shares — basic and diluted
                                        -400  -320 -270 -250 -220 -220                               
      net loss attributable to common stockholders per common shares – basic and diluted
                                         -350                                    
      weighted-average common shares outstanding – basic and diluted
                                         125,178,517,000                              22,412,689,000   22,291,832,000 7,083,748,000  
      research revenue
                                             293,000 475,000 58,312,000 39,000   57,493,000  5,477,000 6,114,000 52,016,000   2,380,000 37,794,000     4,746,000 4,219,000 4,667,000 3,912,000   3,113,000 2,466,000      
      total revenue
                                             293,000 475,000 122,694,000 39,000   121,875,000  10,637,000 7,774,000 111,238,000   4,040,000 92,036,000     49,476,000 4,913,000 5,361,000 4,606,000   3,807,000 3,160,000      
      change in fair value of warrant liability
                                               2,461,000 517,000 619,000  1,291,000 553,000      2,078,000 -3,218,000 -946,000 -2,059,000 204,000           -37,250  -86,000  
      collaboration and milestone revenue
                                               64,382,000    64,382,000  5,160,000                        
      impairment of leasehold improvements
                                               1,030,000    1,030,000    1,030,000    1,030,000                  
      in-process research and development
                                               418,000    418,000    418,000    418,000                  
      other (expense)/ income
                                               243,000                              
      income before tax benefit
                                                           -253,517,000                  
      deemed dividend
                                                           -19,424,000                  
      preferred stock accretion
                                                           -802,000              -87,750  -310,000  
      net income attributable to common stockholders per common share — basic and diluted
                                                                             
      loss before tax benefit
                                                          -12,641,000  -16,227,000 -15,357,000 -13,176,000  32,956,000 -13,429,000 -13,623,000 -12,472,000   -9,219,000 -7,656,000  -7,348,500 -10,303,000 -9,396,000  
      net loss attributable to common stockholders per common shares — basic and diluted
                                                -290 -310   -340 -200     -370                   
      benefit from income taxes
                                                       5,463,000    1,834,000           -75,000 -75,000      
      collaboration revenue
                                                      1,660,000 59,222,000   1,660,000 54,242,000     44,730,000 694,000 694,000 694,000   694,000 694,000      
      net income attributable to common stockholders per common shares — basic and diluted
                                                                             
      net loss attributable to common stockholders per common share – basic and diluted
                                                                       -340  -730 -460 -1,370  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 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 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 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 2006-12-31 
                                                                            
        assets
                                                                            
        current assets:
                                                                            
        cash and cash equivalents
      214,010,000 190,553,000 158,702,000 181,657,000 213,752,000 233,647,000 209,335,000 209,761,000 246,994,000 263,320,000 211,307,000 160,602,000 148,813,000 277,592,000 235,639,000 233,317,000 245,197,000 385,903,000 176,538,000 184,833,000 163,240,000 210,631,000 164,573,000 123,231,000 142,837,000 166,319,000 220,578,000 96,349,000 79,749,000 201,827,000 73,311,000 114,322,000 64,133,000 37,394,000 44,755,000 33,115,000 63,656,000 23,510,000 19,439,000 249,023,000 28,827,000 19,671,000 41,904,000 27,533,000 30,047,000 23,476,000 26,736,000 24,273,000 28,858,000 24,523,000  22,810,000 25,789,000 27,662,000 29,572,000 22,097,000 24,622,000 33,562,000 19,339,000 20,487,000 15,760,000 23,242,000 28,073,000 19,855,000 12,315,000 18,203,000 44,188,000 19,933,000 26,494,000  
        investments in marketable securities
      79,526,000 73,290,000 72,296,000 68,916,000 36,194,000 16,110,000 50,727,000 29,842,000 39,206,000 16,980,000 54,319,000 106,507,000 144,782,000 77,108,000 151,202,000 177,878,000 237,299,000 171,057,000 206,530,000 232,596,000 320,029,000 298,451,000 145,017,000 215,642,000 309,903,000 347,875,000 355,078,000 341,978,000 424,403,000 362,556,000 465,641,000 448,198,000 15,109,000 189,838,000 235,087,000 179,284,000 150,494,000 142,341,000 217,070,000 112,396,000 119,940,000 65,511,000 36,092,000 44,121,000 30,448,000 50,700,000 58,015,000 81,942,000 66,914,000 83,673,000  46,718,000 57,257,000 66,112,000 77,873,000 35,484,000 44,444,000 47,870,000 58,885,000 68,784,000 84,670,000 85,806,000 93,051,000 116,400,000 132,635,000 136,355,000 117,339,000 99,475,000 99,229,000  
        accounts receivable
      115,307,000 113,838,000 105,849,000 88,323,000 101,099,000 98,073,000 85,174,000 76,433,000 87,632,000 73,331,000 63,716,000 68,178,000 66,196,000 52,303,000 52,556,000 52,421,000 52,672,000 51,427,000 49,172,000 44,931,000 46,923,000 44,828,000 43,040,000 40,555,000 33,284,000 33,731,000 28,709,000 22,960,000 21,962,000 14,189,000 15,077,000 10,836,000 5,974,000 3,786,000 1,875,000 864,000                                   
        inventories
      228,819,000 177,928,000 154,875,000 132,412,000 118,782,000 115,338,000 81,320,000 60,759,000 59,696,000 56,936,000 51,381,000 27,004,000 23,816,000 13,272,000 20,879,000 24,324,000 26,818,000 22,072,000 24,086,000 18,801,000 19,556,000 15,767,000 12,979,000 12,831,000 14,041,000 9,154,000 10,395,000 8,167,000 8,390,000 6,311,000 7,769,000 8,070,000 7,272,000 3,948,000 3,698,000 3,251,000 194,000                                  
        prepaid expenses and other current assets
      38,511,000 38,457,000 46,285,000 39,491,000 34,909,000 35,306,000 35,145,000 54,444,000 49,533,000 52,689,000 52,099,000 37,406,000 40,209,000 38,264,000 37,367,000 30,960,000 34,848,000 20,081,000 24,176,000 21,730,000 29,721,000 15,600,000 18,275,000 15,690,000 20,008,000 19,578,000 20,116,000 13,592,000 16,592,000 16,151,000 14,432,000 10,607,000 6,246,000 6,023,000 10,792,000 5,198,000 3,330,000 2,662,000 3,544,000 3,578,000 2,484,000 1,762,000 951,000 1,758,000 1,692,000 1,978,000 1,753,000 3,077,000 2,658,000 2,789,000  3,038,000 3,076,000 2,304,000 2,236,000 2,897,000 2,081,000 2,504,000 2,262,000 4,305,000 2,653,000 1,984,000 2,463,000 1,990,000 1,671,000 1,076,000 1,513,000 1,245,000 1,432,000  
        total current assets
      676,173,000 594,066,000 538,007,000 510,799,000 504,736,000 498,474,000 461,701,000 431,239,000 483,061,000 463,256,000 432,822,000 399,697,000 423,816,000 458,539,000 497,643,000 518,900,000 596,834,000 650,540,000 480,502,000 502,891,000 579,469,000 585,277,000 383,884,000 407,949,000 520,073,000 576,657,000 634,876,000 483,046,000 551,096,000 601,034,000 576,230,000 592,033,000 431,013,000 240,989,000 296,207,000 221,712,000 217,674,000 168,513,000 240,053,000 364,997,000 151,251,000 87,237,000 79,422,000 73,450,000 64,308,000 77,178,000 87,812,000 112,476,000 105,667,000 115,286,000  76,394,000 88,099,000 100,047,000 109,681,000 60,478,000 71,147,000 83,936,000 80,486,000 93,576,000 103,083,000 111,032,000 123,587,000 138,245,000 146,621,000 155,634,000 163,040,000 120,653,000 127,155,000  
        operating lease right-of-use assets
      21,138,000 21,549,000 21,988,000 22,138,000 22,278,000 23,144,000 22,611,000 23,003,000 26,312,000 29,511,000 28,042,000 28,483,000 29,534,000 29,871,000 30,447,000 27,509,000 20,586,000 21,270,000                                                     
        property and equipment, less accumulated depreciation of 31,821 and 28,775 at december 31, 2025 and 2024, respectively
      27,108,000                                                                      
        intangible assets, less accumulated amortization of 9,085 and 5,802 at december 31, 2025 and 2024, respectively
      13,915,000                                                                      
        goodwill
      197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 197,797,000 207,564,000 11,613,000 11,613,000 11,613,000 11,613,000 11,613,000                           
        other non-current assets
      13,739,000 12,897,000 13,371,000 13,998,000 13,641,000 18,678,000 17,361,000 17,657,000 18,553,000 21,130,000 19,049,000 20,172,000 19,242,000 17,872,000 18,045,000 25,188,000 24,427,000 22,077,000 21,200,000 20,538,000 19,095,000 26,453,000 25,876,000 29,414,000 28,317,000 14,351,000 12,035,000 11,265,000 6,683,000 6,099,000 5,915,000 5,592,000 4,219,000 3,009,000 2,932,000 1,788,000 1,657,000 1,484,000 982,000 924,000 892,000 508,000 515,000 546,000 442,000 442,000 442,000 442,000 442,000 442,000  714,000 267,000 267,000 267,000 267,000 267,000 267,000 485,000 267,000 267,000 267,000 267,000 504,000 267,000 267,000 267,000 267,000 267,000  
        total assets
      949,870,000 868,811,000 815,303,000 789,839,000 785,033,000 786,557,000 749,484,000 721,789,000 777,880,000 764,084,000 730,093,000 700,519,000 724,167,000 759,528,000 800,589,000 826,938,000 905,140,000 956,675,000 786,892,000 810,034,000 886,520,000 900,542,000 701,451,000 738,349,000 850,207,000 882,292,000 918,033,000 764,702,000 789,951,000 838,589,000 825,889,000 870,005,000 680,779,000 938,966,000 993,381,000 918,180,000 914,006,000 862,907,000 986,692,000 403,913,000 192,616,000 125,487,000 117,994,000 112,357,000 69,106,000 82,335,000 93,216,000 118,211,000 111,598,000 120,801,000 69,795,000 78,867,000 90,288,000 102,551,000 112,552,000 63,762,000 74,886,000 88,137,000 85,370,000 98,892,000 108,676,000 116,375,000 128,773,000 143,165,000 151,083,000 159,532,000 167,097,000 124,833,000 131,583,000 59,645,000 
        liabilities and stockholders' equity
                                                                            
        current liabilities:
                                                                            
        accounts payable
      28,630,000 19,103,000 13,893,000 14,451,000 12,947,000 13,481,000 32,057,000 9,210,000 15,120,000 23,154,000 13,522,000 24,965,000 15,413,000 12,046,000 23,113,000 22,914,000 21,513,000 24,474,000 13,762,000 16,110,000 17,063,000 14,764,000 14,306,000 16,239,000                                          1,050,000 530,000 535,000 338,000  
        accrued expenses and other current liabilities
      200,457,000 171,165,000 145,144,000 129,877,000 127,300,000 136,116,000 127,897,000 124,622,000 144,245,000 138,535,000 124,868,000 92,747,000 93,636,000 125,235,000 114,703,000 80,379,000 98,153,000 72,453,000 71,325,000 57,178,000 96,841,000 89,595,000 85,478,000 66,722,000                                               
        operating lease liabilities
      8,741,000 8,662,000 8,610,000 8,562,000 8,455,000 8,541,000 8,112,000 8,270,000 8,324,000 7,765,000 7,840,000 8,005,000 8,552,000 7,536,000 7,543,000 7,255,000 7,409,000 7,175,000 7,106,000 6,764,000 6,872,000 7,368,000 8,516,000 7,503,000 7,189,000 6,356,000 2,678,000                                            
        total current liabilities
      237,828,000 198,930,000 167,647,000 152,890,000 148,702,000 158,138,000 168,066,000 142,102,000 167,689,000 169,454,000 159,235,000 138,385,000 139,018,000 164,650,000 164,625,000 129,699,000 145,975,000 121,102,000 111,993,000 99,652,000 129,676,000 111,727,000 108,300,000 91,714,000 128,812,000 93,081,000 89,547,000 65,869,000 86,125,000 65,880,000 52,963,000 140,705,000 68,159,000 100,683,000 109,596,000 85,612,000 80,459,000 64,427,000 35,865,000 16,901,000 21,022,000 13,824,000 11,171,000 9,366,000 8,598,000 9,967,000 7,995,000 9,930,000 17,812,000 17,765,000  18,625,000 16,878,000 16,636,000 16,223,000 8,148,000 7,147,000 8,838,000 11,193,000 17,082,000 15,237,000 12,554,000 13,378,000 14,937,000 15,298,000 14,810,000 15,793,000 9,571,000 6,965,000  
        long-term debt
      392,660,000 391,985,000 391,322,000 390,708,000 390,111,000 389,494,000 388,939,000 388,391,000 387,858,000 394,071,000 393,350,000 392,658,000 391,990,000 391,319,000 390,652,000 389,994,000 389,357,000 388,719,000 390,434,000 389,789,000 389,254,000 388,584,000                                                 
        other non-current liabilities
      4,179,000 5,298,000 8,647,000 8,487,000 7,097,000 13,477,000 12,949,000 12,771,000 13,282,000 8,962,000 9,045,000 9,648,000 8,939,000 8,146,000 8,207,000 7,335,000 6,801,000 6,823,000 6,535,000 6,268,000 6,379,000 4,817,000 4,511,000 4,214,000 5,296,000 4,591,000 3,987,000 3,609,000 2,853,000 3,029,000      1,816,000 1,735,000 1,061,000 555,000                                
        total liabilities
      675,629,000 638,387,000 610,999,000 596,281,000 590,988,000 607,732,000 616,961,000 591,095,000 617,706,000 630,847,000 618,512,000 597,946,000 601,120,000 626,963,000 627,164,000 588,321,000 597,771,000 580,046,000 572,982,000 559,138,000 600,140,000 580,273,000 340,498,000 335,755,000 373,782,000 334,025,000 317,975,000 313,034,000 447,039,000 427,638,000 263,994,000 348,388,000                   40,203,000                   13,071,000 
        commitments and contingencies
                                                                            
        stockholders' equity:
                                                                            
        common stock, 0.01 par value...
      3,037,000 3,017,000 3,016,000 3,016,000 2,944,000 2,942,000 2,923,000 2,922,000 2,918,000 2,890,000 2,856,000 2,820,000 2,815,000 2,813,000 2,811,000 2,809,000 2,808,000 2,805,000 2,685,000 2,680,000 2,650,000 2,626,000 2,614,000 2,607,000  2,591,000 2,589,000 2,347,000  1,941,000 1,939,000 1,929,000 1,707,000 1,485,000 1,482,000                                    
        common stock in treasury, at cost; 7,390 shares as of december 31, 2025
      -71,000                                                                      
        additional paid-in capital
      3,014,456,000 2,973,625,000 2,956,839,000 2,939,673,000 2,926,115,000 2,905,760,000 2,868,925,000 2,853,550,000 2,836,018,000 2,787,275,000 2,733,148,000 2,691,836,000 2,664,744,000 2,645,372,000 2,631,110,000 2,617,935,000 2,595,419,000 2,579,953,000 2,364,494,000 2,350,507,000 2,308,578,000 2,274,797,000 2,250,849,000 2,238,346,000 2,227,225,000 2,210,890,000 2,201,447,000 1,970,607,000 1,740,061,000 1,731,174,000 1,723,865,000 1,621,479,000 1,387,767,000 1,132,229,000 1,126,148,000 1,038,613,000 990,032,000 921,234,000 914,263,000 826,582,000 574,757,000 468,650,000 444,600,000 424,844,000 392,213,000 390,696,000 389,113,000 385,042,000 365,210,000 363,456,000  297,849,000 295,898,000 291,696,000 290,248,000 260,747,000 259,266,000 257,787,000 242,259,000 240,499,000 238,492,000 236,397,000 234,412,000 232,701,000 230,922,000 229,035,000 227,438,000 226,246,000 225,027,000  
        accumulated other comprehensive gain:
                                                                            
        foreign currency translation adjustment
      24,120,000 22,886,000 30,935,000 12,941,000 5,302,000 25,159,000 8,991,000 6,847,000 5,429,000 -6,573,000 4,337,000 -6,543,000 -11,989,000 -38,724,000 -16,603,000 -420,000 5,251,000 6,617,000 9,255,000 9,020,000 8,412,000 4,576,000 4,865,000 6,981,000 2,785,000 1,156,000 352,000 -1,309,000 495,000 -875,000 -1,539,000                                        
        unrealized loss on available-for-sale securities
      -11,000 -53,000 -129,000 -135,000 -207,000 -188,000 -197,000 -203,000 -188,000 -195,000 -177,000 -201,000 -116,000 -354,000 -637,000 -608,000  -184,000 -173,000 -185,000                                                   
        warrants
          71,000 71,000 71,000 71,000 71,000 71,000 71,000 83,000 83,000 83,000 83,000 83,000 83,000 83,000   12,387,000 12,387,000 12,387,000 12,387,000 12,387,000 12,387,000 12,387,000 12,387,000 13,063,000 13,063,000 13,063,000 16,076,000 16,076,000 16,076,000 16,076,000 16,076,000 16,076,000 12,298,000                                 
        accumulated deficit
      -2,767,290,000 -2,768,980,000 -2,786,286,000 -2,761,866,000 -2,740,180,000 -2,754,919,000 -2,748,190,000 -2,732,493,000 -2,684,074,000 -2,650,231,000 -2,628,654,000 -2,585,422,000 -2,532,490,000 -2,476,625,000 -2,443,339,000 -2,381,182,000 -2,295,922,000 -2,212,645,000 -2,162,351,000 -2,111,126,000 -2,045,462,000 -1,974,061,000 -1,910,050,000 -1,857,558,000 -1,768,610,000 -1,678,881,000 -1,617,072,000 -1,532,521,000 -1,412,222,000 -1,334,141,000 -1,174,978,000                                        
        total stockholders' equity
      274,241,000    194,045,000    160,174,000    123,047,000    307,369,000    286,380,000    476,425,000    342,912,000                                          
        total liabilities and stockholders' equity
      949,870,000    785,033,000    777,880,000    724,167,000    905,140,000    886,520,000    850,207,000    789,951,000                                        131,583,000  
        property and equipment, less accumulated depreciation of 31,271 and 28,775 at september 30, 2025 and december 31, 2024, respectively
       27,759,000                                                                     
        intangible assets, less accumulated amortization of 8,257 and 5,802 at september 30, 2025 and december 31, 2024, respectively
       14,743,000                                                                     
        liabilities and stockholders’ equity
                                                                            
        stockholders’ equity:
                                                                            
        common stock in treasury, at cost; 7,390 shares as of september 30, 2025
       -71,000                                                                     
        accumulated other comprehensive income:
                                                                            
        total stockholders’ equity
       230,424,000 204,304,000 193,558,000  178,825,000 132,523,000 130,694,000  133,237,000 111,581,000 102,573,000  132,565,000 173,425,000 238,617,000  376,629,000 213,910,000 250,896,000  320,269,000 360,953,000 402,594,000  548,267,000 600,058,000 451,668,000  410,951,000 561,895,000 521,617,000 409,680,000 266,892,000 310,778,000 336,555,000 334,243,000 311,632,000 378,755,000 328,902,000 104,010,000 43,277,000 36,308,000 31,084,000 26,489,000 39,559,000 53,337,000 76,759,000 73,167,000 80,776,000 29,592,000 36,789,000 44,607,000 53,061,000 64,934,000 50,491,000 64,362,000 74,194,000 71,833,000 37,162,000 48,641,000 60,257,000 71,043,000 83,015,000 89,666,000 97,685,000     
        total liabilities and stockholders’ equity
       868,811,000 815,303,000 789,839,000  786,557,000 749,484,000 721,789,000  764,084,000 730,093,000 700,519,000  759,528,000 800,589,000 826,938,000  956,675,000 786,892,000 810,034,000  900,542,000 701,451,000 738,349,000  882,292,000 918,033,000 764,702,000  838,589,000 825,889,000 870,005,000 680,779,000 938,966,000 993,381,000 918,180,000 914,006,000 862,907,000 986,692,000 403,913,000 192,616,000 125,487,000 117,994,000 112,357,000 69,106,000 82,335,000 93,216,000 118,211,000 111,598,000 120,801,000  78,867,000 90,288,000 102,551,000 112,552,000 63,762,000 74,886,000 88,137,000 85,370,000 98,892,000 108,676,000 116,375,000 128,773,000 143,165,000 151,083,000 159,532,000  124,833,000   
        property and equipment, less accumulated depreciation of 30,991 and 28,775 at june 30, 2025 and december 31, 2024, respectively
        28,570,000                                                                    
        intangible assets, less accumulated amortization of 7,430 and 5,802 at june 30, 2025 and december 31, 2024, respectively
        15,570,000                                                                    
        common stock in treasury, at cost; 7,390 shares as of june 30, 2025
        -71,000                                                                    
        property and equipment, less accumulated depreciation of 29,842 and 28,775 at march 31, 2025 and december 31, 2024, respectively
         28,718,000                                                                   
        intangible assets, less accumulated amortization of 6,611 and 5,802 at march 31, 2025 and december 31, 2024, respectively
         16,389,000                                                                   
        common stock in treasury, at cost; 7,390 shares as of march 31, 2025
         -71,000                                                                   
        property and equipment, less accumulated depreciation of 28,775 and 25,429 at december 31, 2024 and 2023, respectively
          29,383,000                                                                  
        intangible assets, less accumulated amortization of 5,802 and 2,510 at december 31, 2024 and december 31, 2023, respectively
          17,198,000                                                                  
        property and equipment, less accumulated depreciation of 29,324 and 25,429 at september 30, 2024 and december 31, 2023, respectively
           30,438,000                                                                 
        intangible assets, less accumulated amortization of 4,974 and 2,510 at september 30, 2024 and december 31, 2023, respectively
           18,026,000                                                                 
        property and equipment, less accumulated depreciation of 27,844 and 25,429 at june 30, 2024 and december 31, 2023, respectively
            31,161,000                                                                
        intangible assets, less accumulated amortization of 4,147 and 2,510 at june 30, 2024 and december 31, 2023, respectively
            18,853,000                                                                
        property and equipment, less accumulated depreciation of 26,563 and 25,429 at march 31, 2024 and december 31, 2023, respectively
             32,421,000                                                               
        intangible assets, less accumulated amortization of 3,328 and 2,510 at march 31, 2024 and december 31, 2023, respectively
             19,672,000                                                               
        accumulated other comprehensive loss:
                                                                            
        property and equipment, less accumulated depreciation of 25,429 and 22,281 at december 31, 2023 and 2022, respectively
              31,667,000                                                              
        intangible assets, less accumulated amortization of 2,510 and 0 at december 31, 2023 and december 31, 2022, respectively
              20,490,000                                                              
        contingent consideration payable
                13,005,000 12,668,000 21,417,000 19,833,000 19,266,000 19,151,000 18,900,000 17,000,000 19,800,000 19,600,000 8,900,000 16,561,000 20,027,000 23,612,000 22,681,000 22,036,000 21,247,000 20,767,000  8,800,000 8,600,000 8,700,000 12,900,000 219,162,000 218,199,000     11,800,000 11,700,000 10,200,000 10,800,000 11,105,000                           
        property and equipment, less accumulated depreciation of 25,018 and 22,281 at september 30, 2023 and december 31, 2022, respectively
               31,072,000                                                             
        intangible assets, less accumulated amortization of 1,682 and 0 at september 30, 2023 and december 31, 2022, respectively
               21,318,000                                                             
        deferred reimbursements
               5,906,000 5,906,000 5,906,000 4,656,000 5,906,000 5,906,000 5,906,000 5,906,000 7,406,000 7,406,000 7,406,000 7,406,000 8,906,000 8,906,000 1,250,000 1,250,000 5,250,000 2,750,000 2,750,000 5,500,000 2,750,000 2,750,000 7,750,000 16,906,000 16,906,000 21,906,000 35,756,000 35,756,000 35,756,000 36,620,000 36,620,000 36,620,000 36,677,000 36,677,000 36,677,000 34,019,000 32,709,000 31,685,000                        
        deferred income taxes
                  4,939,000 4,930,000 4,930,000 4,930,000 4,930,000 4,896,000 4,896,000 4,896,000 4,896,000 5,051,000 5,051,000 5,051,000 5,051,000 6,465,000 6,465,000 6,465,000 6,465,000 6,465,000 6,465,000 6,465,000 9,186,000 173,869,000 173,820,000                                    
        property and equipment, less accumulated depreciation of 24,060 and 22,281 at june 30, 2023 and december 31, 2022, respectively
                30,238,000                                                            
        intangible assets, less accumulated amortization of 855 and 0 at june 30, 2023 and december 31, 2022, respectively
                22,145,000                                                            
        property and equipment, less accumulated depreciation of 22,901 and 22,281 at march 31, 2023 and december 31, 2022, respectively
                 31,406,000                                                           
        intangible assets, less accumulated amortization of 36 and 0 at march 31, 2023 and december 31, 2022, respectively
                 22,964,000                                                           
        property and equipment, less accumulated depreciation of 22,281 and 19,882 at december 31, 2022 and 2021, respectively
                  30,778,000                                                          
        in-process research & development
                  23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 486,700,000 486,700,000 486,700,000 486,700,000 486,700,000 518,810,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000                           
        property and equipment, less accumulated depreciation of 23,337 and 19,882 at september 30, 2022 and december 31, 2021, respectively
                   32,449,000                                                         
        property and equipment, less accumulated depreciation of 22,188 and 19,882 at june 30, 2022 and december 31, 2021, respectively
                    33,657,000                                                        
        property and equipment, less accumulated depreciation of 20,966 and 19,882 at march 31, 2022 and december 31, 2021, respectively
                     34,544,000                                                       
        property and equipment, less accumulated depreciation of 19,882 and 14,487 at december 31, 2021 and december 31, 2020, respectively
                      42,496,000                                                      
        unrealized loss on available-for securities
                      -270,000            -427,000                                          
        property and equipment, less accumulated depreciation of 18,789 and 14,487 at september 30, 2021 and december 31, 2020, respectively
                       41,991,000                                                     
        operating lease right-of-use assets, less accumulated amortization of 8,150 and 7,574 at june 30, 2021 and december 31, 2020, respectively
                        22,028,000                                                    
        property and equipment, less accumulated depreciation of 17,410 and 14,487 at june 30, 2021 and december 31, 2020, respectively
                        42,365,000                                                    
        operating lease right-of-use assets, less accumulated amortization of 7,499 and 7,574 at march 31, 2021 and december 31, 2020, respectively
                         22,363,000                                                   
        property and equipment, less accumulated depreciation of 15,961 and 14,487 at march 31, 2021 and december 31, 2020, respectively
                         43,445,000                                                   
        operating lease right-of-use assets, less accumulated amortization of 7,574 and 5,342 at december 31, 2020 and december 31, 2019, respectively
                          23,296,000                                                  
        property and equipment, less accumulated depreciation of 14,487 and 17,604 at december 31, 2020 and december 31, 2019, respectively
                          43,863,000                                                  
        unrealized gain on available-for securities
                          -185,000    40,000         31,000 185,000                                    
        operating lease right-of-use assets, less accumulated amortization of 6,850 and 5,342 at september 30, 2020 and december 31, 2019, respectively
                           23,397,000                                                 
        property and equipment, less accumulated depreciation of 23,582 and 17,604 at september 30, 2020 and december 31, 2019, respectively
                           44,618,000                                                 
        unrealized gain on available-for-sale securities
                           -56,000 288,000 -169,000  124,000 355,000 157,000  -211,000 -455,000                                        
        operating lease right-of-use assets, less accumulated amortization of 6,219 and 5,342 at june 30, 2020 and december 31, 2019, respectively
                            23,949,000                                                
        property and equipment, less accumulated depreciation of 21,194 and 17,604 at june 30, 2020 and december 31, 2019, respectively
                            46,945,000                                                
        convertible notes
                            2,203,000 2,167,000 2,131,000 2,096,000 2,070,000 22,052,000 175,006,000 172,186,000 169,440,000 166,768,000 161,635,000 159,171,000 156,859,000                                    
        senior secured term loan
                            147,834,000 147,569,000 147,374,000 147,164,000 146,994,000 146,766,000 146,734,000 146,622,000                                         
        operating lease right-of-use assets, less accumulated amortization of 6,260 and 5,342 at march 31, 2020 and december 31, 2019, respectively
                             32,501,000                                               
        property and equipment, less accumulated depreciation of 19,260 and 17,604 at march 31, 2020 and december 31, 2019, respectively
                             47,688,000                                               
        operating lease right-of-use assets, less accumulated amortization of 5,342 and 0 at december 31, 2019 and december 31, 2018, respectively
                              33,315,000                                              
        property and equipment, less accumulated depreciation of 17,604 and 15,671 at december 31, 2019 and december 31, 2018, respectively
                              47,705,000                                              
        accounts payable, accrued expenses, and other current liabilities
                              120,373,000 81,475,000 84,119,000 60,596,000 80,625,000 54,330,000 41,613,000 43,678,000 53,709,000 35,645,000 39,645,000                                    
        common stock, .01 par value...
                              2,598,000    1,942,000       1,478,000 1,399,000 1,308,000 1,304,000 1,241,000 1,024,000 853,000 789,000 703,000 556,000 556,000 556,000 554,000 524,000 524,000  407,000 406,000 406,000 406,000 337,000 337,000 337,000 287,000 287,000 287,000 287,000 287,000 285,000 285,000 285,000 285,000 284,000 283,000  
        operating lease right-of-use assets, less accumulated amortization of 2,420 and 0 at september 30, 2019 and december 31, 2018, respectively
                               35,814,000                                             
        property and equipment, less accumulated depreciation of 17,907 and 15,671 at september 30, 2019 and december 31, 2018, respectively
                               34,673,000                                             
        operating lease right-of-use assets, less accumulated amortization of 2,641 and 0 at june 30, 2019 and december 31, 2018, respectively
                                35,052,000                                            
        property and equipment, less accumulated depreciation of 16,890 and 15,671 at june 30, 2019 and december 31, 2018, respectively
                                15,273,000                                            
        operating and finance lease right-of-use assets, less accumulated amortization of 2,111 and 0 at march 31, 2019 and december 31, 2018, respectively
                                 36,308,000                                           
        property and equipment, less accumulated depreciation of 15,794 and 15,671 at march 31, 2019 and december 31, 2018, respectively
                                 13,286,000                                           
        operating and finance lease liabilities
                                 2,523,000                                           
        property and equipment, less accumulated depreciation of 15,671 and 12,515 at december 31, 2018 and 2017, respectively
                                  11,375,000                                          
        property and equipment, less accumulated depreciation of 15,483 and 12,515 at september 30, 2018 and december 31, 2017, respectively
                                   10,659,000                                         
        property and equipment, less accumulated depreciation of 14,415 and 12,515 at june 30, 2018 and december 31, 2017, respectively
                                    9,111,000                                        
        other non-current liability
                                    2,770,000 2,494,000 2,313,000 2,283,000 2,223,000     504,000 870,000 514,000 748,000 723,000                           
        property and equipment, less accumulated depreciation of 13,461 and 12,515 at march 31, 2018 and december 31, 2017, respectively
                                     8,910,000                                       
        derivative liability
                                     80,577,000                                       
        investments in marketable securities, current portion
                                      347,388,000                                      
        property and equipment, less accumulated depreciation of 13,273 and 12,495 at september 30, 2017 and december 31, 2016, respectively
                                      9,641,000                                      
        deferred reimbursements, current portion
                                      6,250,000 18,850,000 13,850,000                                    
        contingent consideration payable, current portion
                                      8,200,000 46,188,000 56,101,000 55,992,000 56,000,000                                  
        property and equipment, less accumulated depreciation of 13,951 and 12,495 at june 30, 2017 and december 31, 2016, respectively
                                       10,471,000                                     
        foreign currency translation adjustment, less tax expense of 1,293 at june 30, 2017 and december 31, 2016
                                                                            
        property and equipment, less accumulated depreciation of 13,316 and 12,495 at march 31, 2017 and december 31, 2016, respectively
                                        9,745,000                                    
        foreign currency translation adjustment, less tax expense of 1,293 at march 31, 2017 and december 31, 2016
                                        1,487,000                                    
        assets:
                                                                            
        property and equipment, less accumulated depreciation of 15,181 and 13,353 at september 30, 2016 and december 31, 2015, respectively
                                         10,183,000                                   
        accounts payable and accrued expenses
                                         29,013,000 23,828,000 22,501,000 30,565,000 16,901,000 15,833,000 11,331,000 9,918,000 9,167,000 8,166,000 9,018,000 6,427,000 9,428,000 9,067,000 8,449,000  8,098,000 7,019,000 7,418,000 8,290,000 6,809,000 5,752,000 7,358,000 9,635,000 12,759,000 10,988,000 8,683,000 8,796,000 9,804,000 10,745,000      
        other current liabilities
                                         607,000 631,000                                  
        due to related party
                                         44,047,000 43,443,000 38,509,000 50,000,000                                
        unsecured notes payable
                                         21,977,000 21,851,000                                  
        contingent consideration payable, less current portion
                                         216,198,000 220,300,000 235,303,000 277,684,000                                
        deferred tax liability
                                         176,219,000 176,219,000 176,219,000 207,213,000 9,186,000 9,186,000 9,186,000 9,186,000 9,186,000                           
        foreign currency translation adjustment, less tax benefit of 706 at september 30, 2016
                                         1,062,000                                   
        unrealized gain/ (loss) on available-for securities
                                         287,000 201,000 114,000                                 
        property and equipment, less accumulated depreciation of 14,284 and 13,353 at june 30, 2016 and december 31, 2015, respectively
                                          10,178,000                                  
        foreign currency translation adjustment, less tax benefit of 453 at june 30, 2016
                                          842,000                                  
        property and equipment, less accumulated depreciation of 13,996 and 13,353 at march 31, 2016 and december 31, 2015, respectively
                                           8,413,000                                 
        current portion of contingent consideration payable
                                           41,926,000 5,300,000                                
        property and equipment, less accumulated depreciation of 12,776 and 11,520 at september 30, 2015 and december 31, 2014, respectively
                                            3,855,000                                
        current portion of secured loan
                                              5,189,000 2,493,000 1,253,000 199,000 398,000 398,000 398,000 502,000 816,000 1,129,000  1,253,000 1,253,000 1,253,000 1,253,000 1,253,000 1,253,000 1,253,000 1,253,000 1,148,000 868,000          
        secured loan, less current portion
                                              9,208,000 11,809,000 13,104,000 14,216,000  100,000 199,000 398,000 498,000 597,000  104,000 418,000 731,000 1,044,000 1,357,000 1,670,000 1,983,000 2,296,000 2,610,000 1,987,000          
        accumulated other comprehensive loss
                                                         -25,000 -14,000                  
        property and equipment, less accumulated depreciation of 12,381 and 11,520 at june 30, 2015 and december 31, 2014, respectively
                                             3,379,000                               
        accumulated other comprehensive income
                                               2,000  2,000 5,000 3,000 15,000 37,000 17,000 37,000    1,000 -28,000 11,000 6,000 2,000 43,000 88,000 145,000 234,000 533,000 68,000 318,000 930,000 408,000 220,000 113,000  
        property and equipment, less accumulated depreciation of 12,028 and 11,520 at march 31, 2015 and december 31, 2014, respectively
                                              3,056,000                              
        receivable due from collaboration agreements
                                               293,000 475,000                            
        property and equipment, less accumulated depreciation and amortization of 9,973 and 11,157 at december 31, 2013 and september 30, 2014, respectively
                                               3,129,000                             
        property and equipment, less accumulated depreciation and amortization of 9,973 and 10,781 at december 31, 2013 and june 30, 2014, respectively
                                                3,444,000                            
        receivable due from gsk
                                                 38,000 2,121,000 1,024,000 1,308,000 3,184,000 7,237,000 4,301,000  3,828,000 1,977,000 3,969,000                 
        property and equipment, less accumulated depreciation and amortization of 9,973 and 10,385 at december 31, 2013 and march 31, 2014, respectively
                                                 3,748,000                           
        deficit accumulated during the development stage
                                                        -270,104,000 -261,442,000 -251,683,000 -239,042,000 -225,692,000 -210,604,000 -195,247,000 -183,932,000 -170,756,000 -203,712,000 -190,283,000 -176,661,000 -164,189,000 -150,039,000 -141,859,000 -132,565,000 -124,834,000 -113,061,000 -102,758,000 -83,667,000 
        property and equipment, less accumulated depreciation and amortization of 8,501 and 9,751 at december 31, 2012 and september 30, 2013, respectively
                                                  4,356,000                          
        warrant liability
                                                  34,000 551,000 1,170,000 3,889,000 4,442,000 4,324,000  2,690,000 6,066,000 8,144,000 4,712,000 3,766,000 1,707,000 3,098,000             
        warrant liability, non-current
                                                                            
        property and equipment, less accumulated depreciation and amortization of 8,501 and 9,321 at december 31, 2012 and june 30, 2013, respectively
                                                   4,715,000                         
        property and equipment, less accumulated depreciation and amortization of 8,501 and 8,872 at december 31, 2012 and march 31, 2013, respectively
                                                    4,962,000                        
        property and equipment, less accumulated depreciation and amortization of 9,507 and 8,080 at december 31, 2011 and september 30, 2012, respectively
                                                     5,293,000                       
        current portion of deferred reimbursements
                                                                            
        deferred reimbursements, less current portion
                                                     27,235,000                       
        property and equipment, less accumulated depreciation and amortization of 9,507 and 7,658 at december 31, 2011 and june 30, 2012, respectively
                                                      5,489,000                      
        current portion of deferred revenue
                                                      7,929,000 8,187,000  9,274,000 8,606,000 7,965,000 6,640,000     2,778,000 2,778,000 3,176,000 3,705,000 4,043,000 3,295,000 4,612,000 3,801,000    
        deferred revenue, less current portion
                                                      15,679,000 17,339,000  20,659,000 22,319,000 23,979,000 25,639,000     41,952,000 42,647,000 43,341,000 44,035,000 44,730,000 45,424,000 46,119,000 46,813,000    
        property and equipment, less accumulated depreciation and amortization of 9,507 and 7,216 at december 31, 2011 and march 31, 2012, respectively
                                                       5,073,000                     
        balance sheet data:
                                                                            
        cash and cash equivalents and marketable securities
                                                        55,702,000                   54,699,000 
        working capital
                                                        47,392,000                   44,814,000 
        redeemable convertible preferred stock
                                                                           124,089,000 
        property and equipment, accumulated depreciation and amortization of 8,095 and 9,338 at december 31, 2010 and september 30, 2011, respectively
                                                         1,759,000                   
        current portion of capital lease obligations
                                                            40,000 86,000 142,000 227,000 305,000 397,000 603,000 695,000 877,000 1,090,000 1,258,000 1,420,000 1,527,000 1,521,000 1,504,000  
        property and equipment, accumulated depreciation and amortization of 8,095 and 8,959 at december 31, 2010 and june 30, 2011, respectively
                                                          1,922,000                  
        property and equipment, less accumulated depreciation and amortization of 8,095 and 8,533 at december 31, 2010 and march 31, 2011, respectively
                                                           2,237,000                 
        property and equipment, less accumulated depreciation and amortization of 6,340 and 8,095 at december 31, 2009 and 2010, respectively
                                                            2,604,000                
        capital lease obligations, less current portion
                                                               24,000 48,000 86,000 164,000 223,000 317,000 483,000 695,000 918,000 1,194,000 1,573,000 1,953,000  
        property and equipment, less accumulated depreciation and amortization of 6,340 and 7,917 at december 31, 2009 and september 30, 2010, respectively
                                                             3,017,000               
        property and equipment, less accumulated depreciation and amortization of 6,340 and 7,406 at december 31, 2009 and june 30, 2010, respectively
                                                              3,472,000              
        property and equipment, less accumulated depreciation and amortization of 6,340 and 6,877 at december 31, 2009 and march 31, 2010, respectively
                                                               3,934,000             
        property and equipment, less accumulated depreciation and amortization of 4,260 and 6,340 at december 31, 2008 and 2009, respectively
                                                                4,399,000            
        property and equipment, less accumulated depreciation and amortization of 4,260 and 5,832 at december 31, 2008 and september 30, 2009, respectively
                                                                 5,049,000           
        property and equipment, less accumulated depreciation and amortization of 4,260 and 5,271 at december 31, 2008 and june 30, 2009, respectively
                                                                  5,326,000          
        property and equipment, less accumulated depreciation and amortization of 4,260 and 4,762 at december 31, 2008 and march 31, 2009, respectively
                                                                   5,076,000         
        property and equipment, less accumulated depreciation and amortization of 2,793 and 4,260 at december 31, 2007 and 2008, respectively
                                                                    4,919,000        
        property and equipment, less accumulated depreciation and amortization of 2,793 and 3,804 at december 31, 2007 and september 30, 2008, respectively
                                                                     4,416,000       
        property and equipment, less accumulated depreciation and amortization of 2,793 and 3,421 at december 31, 2007 and june 30, 2008, respectively
                                                                      4,195,000      
        property and equipment, less accumulated depreciation and amortization of 2,793 and 3,114 at december 31, 2007 and march 31, 2008, respectively
                                                                       3,631,000     
        accrued expenses
                                                                       7,728,000 9,935,000 7,515,000 5,123,000  
        stockholders’equity:
                                                                            
        property and equipment, less accumulated depreciation and amortization of 1,557 and 2,793 at december 31, 2006 and 2007, respectively
                                                                        3,790,000    
        liabilities and stockholders’ (deficiency) equity
                                                                            
        series a redeemable convertible preferred stock, .01 par value...
                                                                            
        series b redeemable convertible preferred stock, .01 par value...
                                                                            
        series c redeemable convertible preferred stock, .01 par value...
                                                                            
        series d redeemable convertible preferred stock, .01 par value...
                                                                            
        stockholders’ (deficiency) equity:
                                                                            
        total stockholders’ (deficiency) equity
                                                                        103,297,000 113,689,000 122,665,000 -77,515,000 
        total liabilities and stockholders’ (deficiency) equity
                                                                        167,097,000    
        property and equipment, less accumulated depreciation and amortization of 1,557 and 2,478 at december 31, 2006 and september 30, 2007, respectively
                                                                         3,913,000   
        property and equipment, less accumulated depreciation and amortization of 1,557 and 2,166 at december 31, 2006 and june 30, 2007, respectively
                                                                          4,161,000  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 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 2017-09-30 2017-06-30 2017-03-31 2016-06-30 2016-03-31 2015-06-30 2015-03-31 2014-06-30 2013-06-30 2013-03-31 2012-06-30 2012-03-31 2011-12-31 2011-06-30 2010-12-31 2010-03-31 2009-12-31 2009-06-30 2009-03-31 2007-09-30 
                                                            
          operating activities
                                                            
          net loss
        1,690,000 17,306,000 -24,420,000 -21,686,000 14,739,000 -6,729,000 -15,697,000 -48,419,000 -33,843,000 -21,577,000 -43,232,000 -52,932,000 -55,865,000 -33,286,000 -62,157,000 -85,260,000 -83,277,000 -50,294,000 -51,225,000 -65,664,000 -71,401,000 -64,011,000 -52,492,000 -88,948,000 -89,729,000 -61,809,000 -84,551,000 -120,299,000 -78,081,000 -159,163,000 -61,835,000 -49,916,000 -111,665,000 -48,137,000 -54,992,000 -94,741,000 -43,691,000 -51,421,000 -24,288,000 -30,557,000 -32,807,000 -17,458,000 -22,480,000 -13,137,000 -8,662,000 -25,991,000 -15,088,000 -13,176,000 32,956,000 -26,095,000 -12,472,000 -10,303,000 
          adjustments to reconcile net loss to net cash from operating activities:
                                                            
          amortization of debt discount and deferred financing
        676,000 658,000 630,000 606,000 597,000 574,000 560,000 531,000 536,000 721,000 692,000 667,000 671,000 668,000 658,000 637,000 638,000 652,000 645,000 555,000 670,000 592,000 301,000 231,000 256,000 186,000 455,000 1,649,000 3,108,000 2,595,000 2,672,000 2,601,000                     
          depreciation and amortization
        1,897,000 1,874,000 1,852,000 1,837,000 2,041,000 2,170,000 2,182,000 2,154,000 2,182,000 2,228,000 2,206,000 1,257,000 1,311,000 1,286,000 1,334,000 1,411,000 1,518,000 1,520,000 1,567,000 1,604,000 2,547,000 2,496,000 2,039,000 1,764,000 1,514,000 1,116,000 1,154,000 991,000            808,000 889,000 439,000 862,000 420,000 342,000 864,000 481,000 536,000 547,000 1,024,000 505,000 315,000 
          stock-based compensation
        26,590,000 18,089,000 17,559,000 25,172,000 19,217,000 18,688,000 16,197,000 30,803,000 18,095,000 16,511,000 16,577,000 34,894,000  14,772,000 12,463,000 30,651,000 13,907,000 11,841,000 11,736,000 20,354,000 12,239,000 15,908,000 8,408,000 12,596,000 12,908,000 8,843,000 9,935,000 12,744,000 8,387,000 7,054,000 6,341,000 7,478,000 5,500,000 5,537,000 6,030,000 8,748,000 4,283,000 4,191,000 1,960,000 2,748,000             
          loss on extinguishment of debt
                                           952,000               
          non-cash changes in the fair value of contingent consideration payable
                1,995,000 337,000 251,000 1,584,000 567,000 115,000 -1,188,000 1,734,000 3,288,000 1,021,000 471,000 464,000 1,034,000 715,000 931,000 645,000 789,000 480,000 1,383,000 600,000 1,300,000 300,000 1,100,000  1,050,000 4,578,000 13,338,000 3,152,000 1,100,000 1,000,000 200,000             
          foreign currency remeasurement loss
        -3,622,000 8,453,000 4,111,000 -5,356,000 1,067,000 5,776,000 7,655,000 1,736,000 1,492,000 -5,783,000 18,019,000 5,885,000 3,293,000 2,475,000 -320,000 673,000 -682,000 1,012,000 389,000 2,846,000 6,555,000 -6,688,000 -5,058,000 10,662,000 -2,411,000 2,135,000 205,000 325,000 2,442,000 -1,332,000      1,892,000                 
          non-cash deferred taxes
                                         49,000 49,000                  
          asset impairment charges and other write-offs
                                                            
          changes in operating assets and liabilities:
                                                            
          accounts receivable
        -614,000 -8,084,000 -12,492,000 15,330,000 -10,394,000 -8,643,000 -10,004,000 9,557,000 -11,494,000 -11,319,000 4,072,000 -1,367,000 -9,904,000 -3,002,000 -3,424,000 -1,000,000 -1,817,000 -3,245,000 -3,966,000 839,000 -374,000 -457,000 -2,030,000 -8,358,000 1,530,000 -5,815,000 -5,828,000 -1,001,000 -8,112,000 861,000                       
          inventories
        -44,296,000 -36,322,000 -22,577,000 -8,288,000 -12,020,000 -34,731,000 -25,223,000 -1,678,000 -2,381,000 -14,750,000 -24,325,000 -3,158,000 -10,256,000 1,376,000 1,725,000 1,812,000 -4,768,000 1,423,000 -5,186,000 741,000 -6,821,000 831,000 1,602,000 -251,000 -3,098,000 -108,000 -2,253,000 345,000 -2,156,000 1,400,000                       
          prepaid expenses and other current assets
        -595,000 7,570,000 -4,754,000 -3,603,000 -14,255,000 14,257,000 19,299,000 -5,340,000 17,948,000 -13,747,000 -14,102,000 1,839,000 -611,000 -1,102,000 -7,813,000 3,332,000 -14,999,000 3,815,000 -2,404,000 7,669,000 -13,143,000 3,002,000 -2,641,000 4,016,000 34,000 202,000 -6,582,000 3,059,000 -145,000 -1,951,000 -6,291,000 10,875,000      641,000 418,000 4,245,000 292,000 517,000 3,245,000 3,114,000 963,000 -2,817,000 661,000 -242,000 2,043,000 -189,000 479,000 187,000 
          accounts payable, accrued expenses, and other current liabilities
        38,143,000 30,627,000 10,360,000 3,647,000 -5,037,000 -14,124,000 27,124,000 -24,483,000 8,094,000 9,481,000 31,692,000 -72,000 -31,842,000 2,794,000 37,234,000 -14,563,000                                     
          other non-current assets and liabilities
        656,000 -3,676,000 411,000 -1,076,000 -2,033,000 -737,000 -104,000 -374,000 1,939,000 -2,407,000 -2,192,000 -394,000 1,306,000 -3,180,000 -1,326,000 -1,436,000 -447,000 -386,000 -206,000 -1,578,000 6,684,000 -1,233,000 4,303,000 -5,334,000 -12,081,000 2,783,000 2,688,000 -3,507,000                         
          payment of contingent consideration
                -13,410,000                                           
          net cash from operating activities
        16,253,000 35,660,000 -26,526,000 7,758,000 -3,916,000 -22,971,000 22,691,000 -29,695,000 3,458,000 -38,347,000 -16,133,000 -18,069,000 -80,772,000 -11,626,000 -15,862,000 -58,315,000 -70,514,000 -23,700,000 -35,923,000 -72,354,000 -49,822,000 -42,008,000 -33,518,000 -107,942,000 -57,832,000 -55,553,000 -58,485,000 -78,546,000 -60,677,000 -132,762,000 -56,995,000 -49,521,000             -12,521,000 -23,913,000 22,365,000 -13,429,000 -10,592,000 -21,305,000 -10,850,000 -6,104,000 
          investing activities
                                                            
          sale and redemption of marketable securities
        16,857,000 17,256,000 10,995,000 6,161,000 15,904,000 39,540,000 23,428,000 38,907,000 16,399,000 53,980,000 71,904,000 54,944,000 76,006,000 75,859,000 75,733,000 108,328,000 81,700,000 83,576,000 95,087,000 163,680,000 82,147,000 62,540,000 103,999,000 106,140,000 109,805,000 127,817,000 126,238,000 135,187,000 75,367,000 177,896,000 89,013,000 121,226,000 93,072,000 68,466,000 69,443,000 121,283,000 53,157,000 63,163,000 40,739,000 31,114,000 42,434,000 34,135,000 34,839,000 14,300,000 20,219,000 57,224,000 17,167,000 19,771,000 25,393,000 76,926,000 45,462,000 27,468,000 
          purchases of marketable securities
        -23,052,000 -18,173,000 -14,370,000 -38,810,000 -36,008,000 -4,912,000 -44,307,000 -29,559,000 -38,625,000 -16,650,000 -19,701,000 -16,747,000 -143,444,000 -1,481,000 -49,086,000 -49,244,000 -148,029,000 -48,114,000 -69,008,000 -76,247,000 -103,856,000 -216,317,000 -32,917,000 -12,088,000 -71,917,000 -120,647,000 -139,140,000 -52,178,000 -137,431,000 -60,729,000               -3,505,000 -36,594,000 -59,595,000 -8,799,000 -15,539,000 -68,933,000 -38,516,000 -27,606,000 
          capital expenditures
        -299,000 -382,000 -2,403,000 -212,000 -288,000 -356,000 -1,098,000 -1,811,000 -1,731,000 -1,565,000 -2,202,000 -1,942,000 -2,677,000 137,000 -355,000 -871,000 -1,760,000 -890,000 -366,000 -868,000 -1,067,000 -284,000 -1,070,000 -806,000 -10,925,000 -3,977,000 -2,166,000 -2,944,000 -1,737,000 -2,690,000             -1,022,000 -182,000 -189,000 -69,000 -83,000 -1,440,000 -665,000 -67,000 
          free cash flows
        15,954,000 35,278,000 -28,929,000 7,546,000 -4,204,000 -23,327,000 21,593,000 -31,506,000 1,727,000 -39,912,000 -18,335,000 -20,011,000 -83,449,000 -11,489,000 -16,217,000 -59,186,000 -72,274,000 -24,590,000 -36,289,000 -73,222,000 -50,889,000 -42,292,000 -34,588,000 -108,748,000 -68,757,000 -59,530,000 -60,651,000 -81,490,000 -62,414,000 -135,452,000 -56,995,000 -49,521,000             -13,543,000 -24,095,000 22,176,000 -13,498,000 -10,675,000 -22,745,000 -11,515,000 -6,171,000 
          net cash from investing activities
        -6,494,000 -1,299,000 -5,778,000 -32,861,000 -20,392,000 34,272,000 -21,977,000 7,537,000 -23,957,000 35,765,000 50,001,000 36,255,000 -66,704,000 74,515,000 26,292,000 58,213,000 -68,089,000 34,572,000 25,713,000 86,565,000 -22,776,000 -154,061,000 70,012,000 93,246,000 26,963,000 3,193,000 -15,068,000 80,065,000 -63,801,000 114,477,000 10,727,000 -182,603,000       21,665,000 2,133,000  6,765,000   15,692,000 20,448,000  10,903,000 9,771,000 6,553,000 6,281,000 -205,000 
          financing activities
                                                            
          proceeds from the issuance of shares in connection with at-the-market offering, net of issuance costs
            413,000    36,555,000 24,199,000 2,354,000                                         
          proceeds from equity financing, net of issuance costs
                                                            
          withholding taxes paid on vested restricted stock units
        -4,460,000 -1,641,000 -432,000 -11,790,000 -828,000 -2,792,000 -1,684,000 -16,721,000 -1,565,000 -2,347,000                                           
          proceeds from stock options exercised
        18,721,000 339,000 40,000 105,000 1,555,000 1,805,000 863,000 3,454,000 2,414,000 3,442,000 1,750,000 2,655,000 1,119,000 1,333,000 999,000 859,000 1,871,000 1,696,000                                   
          proceeds from warrants exercised
                                                        
          payment of long-term debt
                                                           
          proceeds from long-term debt, net of issuance costs
                                                           
          payment of finance leases
        -232,000 -17,000 -8,000 -15,000 -43,000 24,000 -36,000 -42,000 -193,000 -31,000 -23,000 -28,000 -191,000 -51,000 -21,000 -20,000 -19,000 -71,000 -21,000 -368,000 -18,000 -20,000 -17,000 -21,000 -243,000 -79,000 -23,000 -75,000                         
          net cash from financing activities
        14,029,000 -1,319,000 -400,000 -11,700,000 1,097,000 18,190,000 -857,000 -13,309,000 8,210,000 37,619,000 23,673,000 -7,825,000 557,000 -559,000 693,000 -8,154,000 -104,000 201,113,000 2,235,000 8,829,000 21,548,000 238,711,000 4,086,000 -1,487,000 3,191,000 523,000 196,404,000 17,384,000 359,000 146,804,000         4,000 18,170,000     -313,000 -318,000 27,727,000 16,749,000 -327,000 2,439,000 -262,000 -252,000 
          effect of exchange rate changes on cash, cash equivalents, and restricted cash
        -329,000 -1,200,000 9,987,000 4,819,000 3,107,000 -5,028,000 -294,000 -1,816,000 -3,906,000 16,902,000 -8,191,000 1,507,000 18,501,000 -20,658,000 -9,085,000 -3,377,000 -908,000 -2,702,000 -286,000 -1,153,000 3,785,000 3,521,000 789,000 -4,265,000 4,320,000 -1,650,000                           
          net increase in cash, cash equivalents, and restricted cash
                                -23,358,000 -53,487,000                           
          cash, cash equivalents, and restricted cash at the beginning of the year
                                                            
          cash, cash equivalents, and restricted cash at the end of the year
                                                            
          other
         -835,000 2,794,000 1,175,000  528,000 702,000 5,818,000                 -13,000                            
          net decrease in cash, cash equivalents, and restricted cash at the end of the period
         31,842,000 -22,717,000 -31,984,000                                                 
          cash, cash equivalents, and restricted cash at the beginning of period
         216,716,000  250,077,000  153,115,000  249,456,000                                     
          cash, cash equivalents, and restricted cash at the end of period
         31,842,000 -22,717,000 184,732,000  24,463,000 -437,000 212,794,000  51,939,000 49,350,000 164,983,000  41,672,000 2,038,000 237,823,000  209,283,000 -8,261,000 188,049,000  46,163,000 41,369,000 125,893,000                             
          supplemental disclosures of cash flow information
                                                            
          cash paid during the period for interest
         11,058,000 10,942,000 10,852,000  23,797,000 11,989,000 11,801,000  12,293,000 11,794,000 11,361,000  8,950,000 7,599,000 7,509,000 7,680,000 7,679,000 7,596,000 7,513,000  6,003,000 7,016,000 3,693,000  3,843,000 4,456,000 4,846,000 3,713,000 13,000 3,762,000 12,000 12,000 3,638,000 12,000 276,000  605,000 209,000 537,000         95,000 71,000 29,000 89,000 
          cash paid for taxes
         1,614,000 354,000 377,000  1,603,000 491,000 635,000  495,000 5,800,000 178,000  225,000 254,000 456,000 10,178,000 5,328,000 2,054,000 2,472,000                                 
          supplemental disclosure of non-cash investing and financing activities
                                                            
          tenant improvements paid through lease incentives
         97,000 98,000 97,000  97,000 68,000 52,000             15,000 201,000 254,000                             
          capital expenditures unpaid at the end of period
          36,000 138,000  78,000 -1,020,000 1,110,000  580,000 -963,000 1,260,000  -19,000 72,000 1,121,000 136,000 3,000 188,000  -237,000 -87,000 589,000                             
          cashless exercise of warrants
         71,000                                                 
          asset impairment charges and other asset write-offs
                367,000 300,000   906,000 5,006,000                                       
          proceeds from sale of assets
                                                            
          deferred taxes
                 -4,939,000                                         
          net increase in cash, cash equivalents, and restricted cash at the end of the period
             24,463,000 -437,000 -37,283,000  51,939,000 49,350,000 11,868,000  41,672,000 2,038,000 -11,633,000  209,283,000 -8,261,000 21,887,000  46,163,000 41,369,000 -20,448,000                             
          purchase of vested restricted stock units, net of taxes
                   -12,806,000 -371,000 -1,841,000 -285,000 -8,993,000                                     
          share-based compensation
                                                            
          proceeds from issuance of common stock from equity financing and pre-funded warrants, net of issuance costs
                                                            
          loss on impairment of assets
                       6,616,000                                     
          loss on exchange of convertible notes
                                                            
          deferred reimbursements
                               -4,000,000 -1,500,000             2,291,000 1,267,000           
          proceeds from issuance of common stock, net of issuance costs
                                    294,584,000    57,818,000  243,216,000  18,344,000             
          payments of employee withholding taxes related to restricted stock unit vesting
                        -309,000 -262,000                                   
          proceeds from termination of capped call confirmations
                                5,243,000 14,632,000                         
          tenant improvements paid through lease incentive
                                                            
          contingent consideration paid in shares
                                                            
          accounts payable and accrued expenses
                         6,417,000 11,706,000 -40,191,000  492,000 11,335,000 -35,251,000  -3,739,000 21,311,000 -8,858,000          459,000   173,000     -1,271,000  -2,277,000  2,193,000 -113,000 2,589,000 
          proceeds from issuance of common stock from equity financing and pre-funded warrants
                                                            
          cash, cash equivalents, and restricted cash at beginning of period
                         166,162,000  146,341,000                            
          purchase of vested restricted stock units
                           -14,194,000 -688,000 -1,243,000 -554,000 -7,543,000 -234,000 -446,000 -617,000 -1,938,000 -151,000 -654,000                       
          proceeds from exercise of stock options
                           4,161,000 22,254,000 9,294,000 4,657,000 6,077,000 3,668,000 1,048,000 2,807,000 3,953,000 652,000 912,000 3,602,000 3,978,000 7,287,000 1,289,000 265,000 647,000 155,000 6,932,000 4,063,000 25,000   840,000 837,000 348,000 3,000 11,000 12,000 11,000 14,000 112,000 
          proceeds from exercise of warrants
                           19,230,000                 4,000,000              
          change in fair value of derivatives
                                                          
          loss on exchange of convertible debt
                                4,501,000 36,123,000                         
          proceeds of exercise of warrants
                                 812,000                         
          loss on impairment
                                                            
          proceeds from issuance of common stock and warrants, net of issuance costs
                                                            
          proceeds from loan agreements, net of issuance costs
                                                            
          proceeds from senior secured term loan
                                                            
          cash, cash equivalents, and restricted cash at end of period
                                 -53,487,000                           
          capital expenditures, unpaid
                                 1,965,000      142,000                     
          payment of contingent consideration in shares
                                 9,316,000                         
          capital expenditures funded by capital lease
                                     -1,000                       
          effect of exchange rate changes on cash, cash equivalents and restricted cash
                                   -2,350,000 2,664,000 -130,000                       
          net decrease in cash, cash equivalents and restricted cash
                                   16,553,000                         
          cash, cash equivalents and restricted cash at beginning of period
                                   82,375,000                         
          cash, cash equivalents and restricted cash at end of period
                                   98,928,000                         
          depreciation
                                    1,201,000 1,073,000 973,000 969,000 850,000 813,000 823,000 1,440,000 673,000 861,000 508,000              
          restructuring charges
                                           58,000 50,000 36,000 10,000              
          charges to research expense for stock issued in asset acquisition
                                                            
          loss on disposal of assets
                                                            
          other non-current assets
                                    62,000 -308,000          25,000   267,000 267,000 5,000  218,000     
          account payable and accrued expenses
                                    13,431,000 15,485,000                       
          non-current liabilities
                                    -223,000 224,000 237,000 220,000 141,000 133,000 363,000 535,000 380,000  282,000 14,000             
          payments of secured loan agreement
                                                    -313,000 -626,000 -313,000 -313,000     
          payment of capital leases
                                    -116,000 -76,000                       
          proceeds from issuance of convertible notes, net of issuance costs
                                                            
          premiums paid for capped call confirmations
                                                            
          net increase in cash and cash equivalents and restricted cash
                                    -121,455,000 128,389,000 -41,111,000 65,315,000                     
          cash and cash equivalents and restricted cash at beginning of year/period
                                                            
          cash and cash equivalents and restricted cash at end of year/period
                                                            
          capital expenditures funded by capital lease borrowings
                                           850,000                 
          gain on disposal of asset
                                                            
          deferred reimbursement
                                                           
          proceeds from senior secured term loan, net of issuance costs
                                                            
          payment of deferred financing fees
                                                            
          cash and cash equivalents and restricted cash at beginning of period
                                     51,237,000                     
          cash and cash equivalents and restricted cash at end of period
                                     128,389,000 -41,111,000 116,552,000                     
          foreign currency remeasurement gain
                                                            
          net cash provided by financing activities
                                       296,579,000    82,761,000  237,240,000               
          effect of exchange rate changes on cash and cash equivalents and restricted cash
                                       860,000                     
          loss on disposal of asset
                                           17,000       27,000 27,000     186,000 9,000 2,000  
          change in fair value of derivative liability
                                                            
          non-cash deferred taxes and other tax benefits
                                                            
          purchases of property and equipment
                                                    -1,022,000 -182,000 -189,000 -69,000 -83,000 -1,440,000 -665,000 -67,000 
          proceeds from unsecured loan agreement
                                                            
          effect of exchange rate changes on cash and cash equivalents
                                        416,000 534,000 80,000                  
          net decrease in cash and cash equivalents
                                                            
          cash and cash equivalents at beginning of year/ period
                                        187,026,000                  
          cash and cash equivalents at end of year/period
                                        26,739,000 -7,361,000 44,755,000                  
          contingent consideration resolution in shares
                                           6,115,000                 
          non-cash interest expense
                                         2,312,000 2,403,000 1,014,000 451,000 136,000 83,000 115,000             
          non-cash income tax benefit
                                                            
          net cash used in/ (provided by) financing activities
                                                            
          capital expenditures unpaid at end of the period
                                                            
          non-cash changes in the fair value of derivative liability
                                           346,000                 
          acquisitions, net cash of acquired
                                                            
          proceeds from unsecured note agreement
                                           30,000,000                 
          proceeds from related party
                                                            
          payment of capital lease
                                                            
          cash and cash equivalents at beginning of period
                                           69,485,000 69,485,000 24,074,000 24,074,000 43,640,000 33,971,000 33,971,000 25,668,000 25,668,000  29,572,000  19,339,000  28,073,000 28,073,000 
          cash and cash equivalents at end of period
                                           63,656,000 23,510,000 249,023,000 28,827,000 41,904,000 23,476,000 26,736,000 28,858,000 24,523,000  25,789,000  33,562,000  15,760,000 23,242,000 -6,561,000 
          net cash (used in)/ provided by investing activities
                                                13,865,000            
          net (decrease)/ increase in cash and cash equivalents
                                                            
          net cash (used in)/ provided by financing activities
                                                            
          receivable due from collaboration agreements
                                               607,000             
          net cash (used in) investing activities
                                                            
          net cash provided by investing activities
                                             31,320,000               
          net increase in cash and cash equivalents
                                             224,949,000 4,753,000    3,190,000  2,858,000 -3,783,000 7,475,000 14,223,000 -1,148,000 -12,313,000 -4,831,000 -6,561,000 
          adjustments to reconcile net loss to net cash used in operating activities:
                                                            
          change in fair value of warrant liability
                                                 262,000 2,494,000 2,376,000 -742,000 1,354,000 946,000 -204,000    
          non-cash activities
                                                            
          net income
                                                            
          adjustments to reconcile net income to net cash from operating activities:
                                                            
          amortization of non-cash compensation
                                                            
          non-cash charge for stock based compensation issued to consultants
                                                            
          stock-based license payments
                                                            
          impairment of leasehold improvements
                                                            
          non-cash charge for in-process research and development
                                                            
          beneficial conversion feature related to bridge financing
                                                            
          receivable due from gsk
                                                            
          net cash provided by/(used in) investing activities
                                                            
          proceeds from the issuance of preferred stock, net of issuance costs
                                                           
          proceeds from the issuance of common stock and warrants, net of issuance costs
                                                  62,057,000 62,063,000    17,153,000     
          proceeds from the issuance of convertible notes
                                                            
          payments of capital lease obligations
                                                    -40,000 -46,000 -102,000 -130,000 -427,000 -276,000 -364,000 
          payments related to deferred financing
                                                            
          proceeds from capital asset financing arrangement
                                                           
          proceeds from secured loan agreement
                                                  995,000 995,000         
          net cash (used in)/provided by financing activities
                                                   63,582,000         
          net (decrease)/increase in cash and cash equivalents
                                                            
          stock-based compensation - employees
                                                3,157,000 1,574,000 3,145,000 1,388,000         
          stock-based compensation - non-employees
                                                            
          redemption of marketable securities
                                                            
          proceeds from secured loan arrangement
                                                         2,855,000   
          net cash from/ (used in) financing activities
                                                            
          receivable from gsk
                                                2,201,000 1,917,000  742,000         
          net cash (used in)/provided by investing activities
                                                            
          net cash provided by/(used in) financing activities
                                                            
          debt instrument convertible beneficial conversion feature
                                                            
          net cash from/(used in) investing activities
                                                            
          net cash (used in) /provided by financing activities
                                                  63,166,000          
          conversion of notes payable to preferred stock
                                                            
          conversion of preferred stock to common stock
                                                           
          accretion of redeemable convertible preferred stock
                                                           
          beneficial conversion feature related to the issuance of series c redeemable convertible preferred stock
                                                            
          deferred revenue
                                                    -2,430,000 -1,354,000   -44,730,000 -2,316,000 -1,223,000  
          stock-based license payment
                                                            
          non-cash charge for in process research and development
                                                            
          conversion of notes payable to series b redeemable convertible preferred stock
                                                            
          beneficial conversion feature related to issuance of the additional issuance of series c redeemable convertible preferred stock
                                                            
          stock-based compensation — employees
                                                     5,302,000  1,716,000  4,069,000 1,972,000 1,080,000 
          stock-based compensation — non-employees
                                                           28,000 
          net increase/(decrease) in cash and cash equivalents
                                                            
          net cash provided/(used in) by investing activities
                                                            
          proceeds from the issuance of common stock, net of issuance costs
                                                           
          beneficial conversion feature related to the issuance
                                                            
          of series c redeemable convertible preferred stock
                                                            
          adjustments to reconcile net income to net cash (used in)/provided by operating activities:
                                                            
          net cash provided by/(used in) operating activities
                                                            
          payments from exercise of stock options
                                                            
          beneficial conversion feature related to issuance of the second tranche of series c redeemable convertible preferred stock
                                                            
          warrant issued with convertible notes
                                                            
          warrant issued with series b redeemable convertible preferred stock