7Baggers

Insulet Corporation
(NASDAQ:PODD) 

PODD stock logo

Insulet Corporation develops, manufactures, and sells insulin delivery systems for people with insulin-dependent diabetes. It offers Omnipod System, a self-adhesive disposable tubeless Omnipod device that is worn on the body for up to three days at a time, as well as wireless companion, the handheld...

Founded: 2000
Full Time Employees: 1,350
CEO: Shacey Petrovic  
Sector: Healthcare
Industry: Medical Devices

Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income 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 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
                                                                                
      revenue
    783,800,000 521,700,000 470,500,000 420,500,000 440,100,000 372,600,000 341,200,000 329,900,000 354,100,000 320,700,000 287,300,000 261,300,000 282,600,000 281,900,000 243,900,000 247,000,000 307,700,000 275,600,000 263,200,000 252,300,000 246,100,000 234,000,000 226,300,000 198,000,000 209,394,000 192,115,000 177,136,000 159,555,000 164,907,000 151,076,000 124,262,000 123,578,000 130,524,000 121,775,000 109,756,000 101,713,000 103,575,000 94,871,000 87,330,000 81,213,000 100,119,000 87,303,000 75,588,000 61,215,000 72,561,000 74,985,000 72,013,000 69,161,000 68,533,000 61,103,000 60,092,000 57,356,000 57,828,000 54,752,000 51,035,000 47,754,000 47,192,000 44,594,000 32,211,000 28,258,000 27,767,000 25,455,000 22,937,000 20,807,000 20,211,000 18,735,000 14,617,000 12,469,000 11,861,000 10,110,000 7,417,000 6,671,000 4,361,000 3,791,000 3,212,000 2,008,000 
      yoy
    78.10% 40.02% 37.90% 27.46% 24.29% 16.18% 18.76% 26.25% 25.30% 13.76% 17.79% 5.79% -8.16% 2.29% -7.33% -2.10% 25.03% 17.78% 16.31% 27.42% 17.53% 21.80% 27.75% 24.10% 26.98% 27.16% 42.55% 29.11% 26.34% 24.06% 13.22% 21.50% 26.02% 28.36% 25.68% 25.24% 3.45% 8.67% 15.53% 32.67% 37.98% 16.43% 4.96% -11.49% 5.88% 22.72% 19.84% 20.58% 18.51% 11.60% 17.75% 20.11% 22.54% 22.78% 58.44% 68.99% 69.96% 75.19% 40.43% 35.81% 37.39% 35.87% 56.92% 66.87% 70.40% 85.31% 97.07% 86.91% 171.98% 166.68% 130.92% 232.22%     
      qoq
    50.24% 10.88% 11.89% -4.45% 18.12% 9.20% 3.43% -6.83% 10.41% 11.63% 9.95% -7.54% 0.25% 15.58% -1.26% -19.73% 11.65% 4.71% 4.32% 2.52% 5.17% 3.40% 14.29% -5.44% 8.99% 8.46% 11.02% -3.25% 9.15% 21.58% 0.55% -5.32% 7.18% 10.95% 7.91% -1.80% 9.17% 8.64% 7.53% -18.88% 14.68% 15.50% 23.48% -15.64% -3.23% 4.13% 4.12% 0.92% 12.16% 1.68% 4.77% -0.82% 5.62% 7.28% 6.87% 1.19% 5.83% 38.44% 13.99% 1.77% 9.08% 10.98% 10.24% 2.95% 7.88% 28.17% 17.23% 5.13% 17.32% 36.31% 11.18% 52.97% 15.04% 18.03% 59.96%  
      revenue from related party
     184,500,000 178,600,000 148,500,000 157,400,000 171,300,000 147,300,000 111,800,000 155,700,000 112,000,000 109,200,000 96,800,000 87,100,000 58,900,000 55,500,000 48,400,000                                                             
      total revenue
    783,800,000 706,300,000 649,100,000 569,000,000 597,500,000 543,900,000 488,500,000 441,700,000 509,800,000 432,700,000 396,500,000 358,100,000 369,700,000 340,800,000 299,400,000 295,400,000                                                             
      cost of revenue
    215,200,000 196,200,000 196,900,000 160,000,000 166,600,000 166,800,000 157,600,000 134,900,000 148,600,000 139,400,000 131,600,000 117,600,000 152,400,000 152,500,000 109,100,000 85,700,000 94,500,000 86,900,000 80,500,000 84,800,000 85,000,000 82,200,000 83,800,000 71,100,000 75,288,000 69,035,000 60,718,000 52,859,000 54,595,000 49,107,000 42,190,000 47,763,000 51,016,000 48,151,000 45,117,000 42,315,000 42,638,000 39,230,000 36,873,000 37,162,000 54,798,000 51,652,000 41,213,000 28,408,000 35,888,000 36,943,000 36,248,000 36,353,000 35,515,000 33,708,000 33,259,000 32,201,000 32,509,000 30,362,000 28,704,000 27,458,000 27,112,000 26,033,000 17,673,000 14,725,000 13,941,000 13,826,000 13,051,000 12,422,000 12,877,000 12,936,000 11,448,000 10,474,000 10,663,000 10,197,000 9,785,000 9,998,000 6,679,000 7,583,000 6,899,000 4,572,000 
      gross profit
    568,600,000 510,100,000 452,200,000 409,000,000 430,900,000 377,100,000 330,900,000 306,800,000 361,200,000 293,300,000 264,900,000 240,500,000 217,300,000 188,300,000 190,300,000 209,700,000 213,200,000 188,700,000 182,700,000 167,500,000 161,100,000 151,800,000 142,500,000 126,900,000 134,106,000 123,080,000 116,418,000 106,696,000 110,312,000 101,969,000 82,072,000 75,815,000 79,508,000 73,624,000 64,639,000 59,398,000 60,937,000 55,641,000 50,457,000 44,051,000 45,321,000 35,651,000 34,375,000 32,807,000 36,673,000 38,042,000 35,765,000 32,808,000 33,018,000 27,395,000 26,833,000 25,155,000 25,319,000 24,390,000 22,331,000 20,296,000 20,080,000 18,561,000 14,538,000 13,533,000 13,826,000 11,629,000 9,886,000 8,385,000 7,334,000 5,799,000 3,169,000 1,995,000         
      yoy
    31.96% 35.27% 36.66% 33.31% 19.30% 28.57% 24.92% 27.57% 66.22% 55.76% 39.20% 14.69% 1.92% -0.21% 4.16% 25.19% 32.34% 24.31% 28.21% 31.99% 20.13% 23.33% 22.40% 18.94% 21.57% 20.70% 41.85% 40.73% 38.74% 38.50% 26.97% 27.64% 30.48% 32.32% 28.11% 34.84% 34.46% 56.07% 46.78% 34.27% 23.58% -6.29% -3.89% -0.00% 11.07% 38.86% 33.29% 30.42% 30.41% 12.32% 20.16% 23.94% 26.09% 31.40% 53.60% 49.97% 45.23% 59.61% 47.06% 61.40% 88.52% 100.53% 211.96% 320.30%             
      qoq
    11.47% 12.80% 10.56% -5.08% 14.27% 13.96% 7.86% -15.06% 23.15% 10.72% 10.15% 10.68% 15.40% -1.05% -9.25% -1.64% 12.98% 3.28% 9.07% 3.97% 6.13% 6.53% 12.29% -5.37% 8.96% 5.72% 9.11% -3.28% 8.18% 24.24% 8.25% -4.64% 7.99% 13.90% 8.82% -2.53% 9.52% 10.27% 14.54% -2.80% 27.12% 3.71% 4.78% -10.54% -3.60% 6.37% 9.01% -0.64% 20.53% 2.09% 6.67% -0.65% 3.81% 9.22% 10.03% 1.08% 8.18% 27.67% 7.43% -2.12% 18.89% 17.63% 17.90% 14.33% 26.47% 82.99% 58.85%          
      gross margin %
    72.54% 97.78% 96.11% 97.27% 97.91% 101.21% 96.98% 93.00% 102.01% 91.46% 92.20% 92.04% 76.89% 66.80% 78.02% 84.90% 69.29% 68.47% 69.41% 66.39% 65.46% 64.87% 62.97% 64.09% 64.04% 64.07% 65.72% 66.87% 66.89% 67.50% 66.05% 61.35% 60.91% 60.46% 58.89% 58.40% 58.83% 58.65% 57.78% 54.24% 45.27% 40.84% 45.48% 53.59% 50.54% 50.73% 49.66% 47.44% 48.18% 44.83% 44.65% 43.86% 43.78% 44.55% 43.76% 42.50% 42.55% 41.62% 45.13% 47.89% 49.79% 45.68% 43.10% 40.30% 36.29% 30.95% 21.68% 16.00% 0% 0% 0% 0% 0% 0% 0% 0% 
      research and development expenses
    90,900,000 77,200,000 73,400,000 59,600,000 60,600,000 54,900,000 53,900,000 50,200,000 42,000,000 57,800,000 55,100,000 50,100,000 49,500,000 45,000,000 42,600,000 43,100,000 29,575,000 37,500,000 40,100,000 40,700,000 27,125,000 38,800,000 34,200,000 35,500,000                                                     
      selling, general and administrative expenses
    331,400,000 315,200,000 257,700,000 260,600,000 261,000,000 234,100,000 222,400,000 199,700,000 212,800,000 180,700,000 178,700,000 162,700,000 144,300,000 140,400,000 174,400,000 128,700,000 86,075,000 117,500,000 116,300,000 110,500,000 63,475,000 89,200,000 80,800,000 83,900,000                                                     
      operating income
    146,300,000 117,700,000 121,100,000 88,800,000 109,300,000 88,100,000 54,600,000 56,900,000 106,400,000 54,800,000 31,100,000 27,700,000 23,500,000 2,900,000 -26,700,000 37,900,000 49,700,000 33,700,000 26,300,000 16,300,000 -7,300,000 23,800,000 27,500,000 7,500,000 18,128,000 17,004,000 7,603,000 7,265,000 16,233,000 6,865,000 4,325,000  -768,000 2,047,000 -3,358,000 -5,308,000 -4,135,000 2,418,000 -1,288,000 -7,699,000 -24,040,000 -15,734,000 -12,361,000 -8,630,000 -2,255,000 -2,876,000 -5,280,000 -1,886,000 206,000 -17,313,000 -5,822,000 -6,206,000 -6,086,000 -8,471,000 -10,519,000 -10,895,000 -10,512,000 -9,768,000 -14,915,000 -7,273,000 -9,725,000 -8,278,000 -9,900,000 -10,730,000 -11,962,000 -13,480,000 -16,445,000 -17,472,000 -27,356,000 -19,834,000 -22,139,000 -20,012,000 -16,054,000 -14,582,000 -12,409,000 -10,798,000 
      yoy
    33.85% 33.60% 121.79% 56.06% 2.73% 60.77% 75.56% 105.42% 352.77% 1789.66% -216.48% -26.91% -52.72% -91.39% -201.52% 132.52% -780.82% 41.60% -4.36% 117.33% -140.27% 39.97% 261.70% 3.23% 11.67% 147.69% 75.79% NaN% -2213.67% 235.37% -228.80% NaN% -81.43% -15.34% 160.71% -31.06% -82.80% -115.37% -89.58% -10.79% 966.08% 447.08% 134.11% 357.58% -1194.66% -83.39% -9.31% -69.61% -103.38% 104.38% -44.65% -43.04% -42.10% -13.28% -29.47% 49.80% 8.09% 18.00% 50.66% -32.22% -18.70% -38.59% -39.80% -38.59% -56.27% -32.04% -25.72% -12.69% 70.40% 36.02% 78.41% 85.33%     
      qoq
    24.30% -2.81% 36.37% -18.76% 24.06% 61.36% -4.04% -46.52% 94.16% 76.21% 12.27% 17.87% 710.34% -110.86% -170.45% -23.74% 47.48% 28.14% 61.35% -323.29% -130.67% -13.45% 266.67% -58.63% 6.61% 123.65% 4.65% -55.25% 136.46% 58.73% NaN% NaN% -137.52% -160.96% -36.74% 28.37% -271.01% -287.73% -83.27% -67.97% 52.79% 27.29% 43.23% 282.71% -21.59% -45.53% 179.96% -1015.53% -101.19% 197.37% -6.19% 1.97% -28.15% -19.47% -3.45% 3.64% 7.62% -34.51% 105.07% -25.21% 17.48% -16.38% -7.74% -10.30% -11.26% -18.03% -5.88% -36.13% 37.92% -10.41% 10.63% 24.65% 10.09% 17.51% 14.92%  
      operating margin %
    18.67% 22.56% 25.74% 21.12% 24.84% 23.64% 16.00% 17.25% 30.05% 17.09% 10.82% 10.60% 8.32% 1.03% -10.95% 15.34% 16.15% 12.23% 9.99% 6.46% -2.97% 10.17% 12.15% 3.79% 8.66% 8.85% 4.29% 4.55% 9.84% 4.54% 3.48% NaN% -0.59% 1.68% -3.06% -5.22% -3.99% 2.55% -1.47% -9.48% -24.01% -18.02% -16.35% -14.10% -3.11% -3.84% -7.33% -2.73% 0.30% -28.33% -9.69% -10.82% -10.52% -15.47% -20.61% -22.81% -22.27% -21.90% -46.30% -25.74% -35.02% -32.52% -43.16% -51.57% -59.19% -71.95% -112.51% -140.12% -230.64% -196.18% -298.49% -299.99% -368.13% -384.65% -386.33% -537.75% 
      interest expense
    -11,125,000 -15,600,000 -19,600,000 -9,200,000 -8,500,000 -12,300,000 -11,000,000 -10,700,000 -6,700,000 -10,400,000 -2,400,000 -2,900,000 -2,700,000 -6,800,000 -8,300,000 -8,900,000 -15,100,000 -16,300,000 -16,400,000 -13,400,000 -12,500,000 -11,400,000 -11,100,000 -10,100,000    6,615,000 6,848,000 6,846,000 7,290,000 7,918,000 6,699,000 4,709,000 4,796,000 5,007,000 5,136,000 3,029,000 3,127,000 -3,096,000 -3,145,000 -3,167,000 -3,075,000 -3,193,000 -3,180,000 -3,043,000 -3,975,000     -4,355,000 -4,066,000 -3,949,000 -3,912,000 -3,867,000 -3,732,000 -3,825,000 -4,547,000 -2,612,000 -11,192,000 -3,871,000 -3,847,000 -3,149,000 -4,354,000 -11,267,000 -3,875,000 -2,274,000 -1,019,000 -1,399,000 -2,103,000 -575,000 -611,000 -475,000 -986,000 -982,000 
      interest income
    5,700,000 8,600,000 10,100,000 10,300,000 10,300,000 10,500,000 9,300,000 9,400,000 6,200,000 8,600,000                               30,750 46,000 41,000 36,000 37,000 32,000 29,000 31,000 33,000 27,000 37,000 27,000 27,000 31,000 24,000 28,000 32,000 31,000 39,000 37,000 59,000 49,000 36,000 24,000 51,000 22,000 81,000 101,000 388,500 481,000 360,000 713,000 608,750 1,418,000 713,000 304,000 
      loss on extinguishment of debt
      -84,400,000 -39,500,000             -800,000 -1,500,000 -40,100,000      -2,249,000 -6,451,000                                                   
      other income
    3,100,000 12,100,000 1,300,000  400,000 -3,400,000   1,900,000 700,000  -200,000   -1,100,000 300,000 -400,000 -700,000 1,800,000  1,300,000 1,000,000 1,000,000  1,481,000 -53,000 1,923,000 4,054,000 1,300,500 1,834,000 1,686,000 1,682,000 369,500 556,000 488,000 434,000 315,000 211,000 129,000 170,000    5,000    265,000                             
      income before income taxes
    140,200,000 122,800,000 28,400,000 48,100,000 111,300,000 82,900,000 51,100,000 54,900,000 107,800,000 53,700,000 28,500,000 24,600,000 22,300,000 -5,700,000 -36,100,000 29,300,000 33,400,000 15,200,000 -28,400,000 300,000 -18,500,000 13,400,000 17,400,000 -2,600,000 6,782,000 1,130,000 1,884,000 4,704,000 -1,415,500 1,853,000 -1,279,000 -6,236,000         -27,187,000 -18,865,000 -15,395,000 -11,782,000 -5,396,000 -10,824,000 -29,059,000 -6,079,000 -2,654,000 -21,285,000 -10,401,000 -10,534,000 -10,125,000 -12,389,000 -14,407,000 -14,734,000                     
      income tax benefit
    -38,500,000 -35,200,000 -5,900,000  -10,600,000 -5,400,000 137,500,000  -950,000 -1,800,000 -1,200,000  25,000 500,000 1,100,000  125,000 -2,600,000 3,400,000 -300,000    500,000                                                     
      net income
    101,600,000 87,600,000 22,500,000 35,400,000 100,700,000 77,500,000 188,600,000 51,500,000 103,300,000 51,900,000 27,300,000 23,800,000 17,000,000 -5,200,000 -35,000,000 27,800,000 29,200,000 12,600,000 -25,000,000  -17,100,000 11,600,000 14,400,000 -2,100,000 4,968,000 852,000 1,402,000 4,378,000 9,893,000 1,659,000 -1,691,000 -6,569,000 -6,860,000 -2,227,000 -7,767,000 -9,977,000 -9,119,000 -3,081,000 -4,198,000 -12,481,000 -27,327,000 -18,927,000 -15,432,000 -11,834,000 -5,400,000 -10,845,000 -29,111,000 -6,144,000 -2,500,000 -21,290,000 -10,519,000 -10,665,000 -10,194,000 -12,417,000 -14,476,000 -14,780,000 -14,339,000 -13,562,000 -19,423,000 -9,848,000 -20,858,000 -12,100,000 -13,711,000 -13,855,000 -14,932,000 -24,725,000 -20,239,000 -19,645,000 -28,283,000 -20,752,000 -23,882,000 -19,874,000 -15,668,000 -13,639,000 -12,672,000 -11,560,000 
      yoy
    0.89% 13.03% -88.07% -31.26% -2.52% 49.33% 590.84% 116.39% 507.65% -1098.08% -178.00% -14.39% -41.78% -141.27% 40.00% NaN% -270.76% 8.62% -273.61% NaN% -444.20% 1261.50% 927.10% -147.97% -49.78% -48.64% -182.91% -166.65% -244.21% -174.49% -78.23% -34.16% -24.77% -27.72% 85.02% -20.06% -66.63% -83.72% -72.80% 5.47% 406.06% 74.52% -46.99% 92.61% 116.00% -49.06% 176.75% -42.39% -75.48% 71.46% -27.33% -27.84% -28.91% -8.44% -25.47% 50.08% -31.25% 12.08% 41.66% -28.92% 39.69% -51.06% -32.25% -29.47% -47.21% 19.15% -15.25% -1.15% 80.51% 52.15% 88.46% 71.92%     
      qoq
    15.98% 289.33% -36.44% -64.85% 29.94% -58.91% 266.21% -50.15% 99.04% 90.11% 14.71% 40.00% -426.92% -85.14% -225.90% -4.79% 131.75% -150.40% NaN% NaN% -247.41% -19.44% -785.71% -142.27% 483.10% -39.23% -67.98% -55.75% 496.32% -198.11% -74.26% -4.24% 208.04% -71.33% -22.15% 9.41% 195.98% -26.61% -66.36% -54.33% 44.38% 22.65% 30.40% 119.15% -50.21% -62.75% 373.81% 145.76% -88.26% 102.40% -1.37% 4.62% -17.90% -14.22% -2.06% 3.08% 5.73% -30.18% 97.23% -52.79% 72.38% -11.75% -1.04% -7.21% -39.61% 22.17% 3.02% -30.54% 36.29% -13.11% 20.17% 26.84% 14.88% 7.63% 9.62%  
      net income margin %
    12.96% 16.79% 4.78% 8.42% 22.88% 20.80% 55.28% 15.61% 29.17% 16.18% 9.50% 9.11% 6.02% -1.84% -14.35% 11.26% 9.49% 4.57% -9.50% NaN% -6.95% 4.96% 6.36% -1.06% 2.37% 0.44% 0.79% 2.74% 6.00% 1.10% -1.36% -5.32% -5.26% -1.83% -7.08% -9.81% -8.80% -3.25% -4.81% -15.37% -27.29% -21.68% -20.42% -19.33% -7.44% -14.46% -40.42% -8.88% -3.65% -34.84% -17.50% -18.59% -17.63% -22.68% -28.36% -30.95% -30.38% -30.41% -60.30% -34.85% -75.12% -47.53% -59.78% -66.59% -73.88% -131.97% -138.46% -157.55% -238.45% -205.26% -321.99% -297.92% -359.28% -359.77% -394.52% -575.70% 
      earnings per share:
                                                                                
      basic
    1.44 1.24 0.32 0.5 1.133 1.11 2.69 0.74                                                                     
      diluted
    1.43 1.24 0.32 0.5 1.1 1.08 2.59 0.73                                                                     
      weighted-average number of common shares outstanding
                                                                                
      basic
    70,348 70,367 70,389 70,272 70,076 70,123 70,062 69,957 69,751 69,823 69,741 69,583 69,375 69,418 69,356 69,254 67,698 68,869 66,696 66,113 64,735 65,717,820 64,370,791 62,883,672 60,593,846 60,743,211 59,844,991 59,355,031 58,859,574 59,016,863                                               
      diluted
    71,886 70,661 70,652 74,111 73,890 73,951 73,802 73,741 73,633 73,624 70,142 70,096 69,910 69,418 69,356 69,858 68,579 69,619 66,696 66,113 65,946 66,827,692 65,578,513 62,883,672 62,304,348 62,335,679 61,486,325 61,148,428 61,008,024 61,146,466                                               
      other expense
       -2,300,000   -1,800,000 -700,000   -200,000  -650,000 -1,800,000      -2,600,000                     -1,250 -10,000   -325,500 -677,000 -890,000 -4,193,000 -2,860,000 -3,972,000 -4,579,000 -4,328,000 -4,039,000 -3,918,000 -3,888,000 -3,839,000 -3,700,000 -3,794,000 -4,508,000 -2,575,000                 
      income tax expense
       -12,700,000    -3,400,000    -800,000    -1,500,000     1,400,000 -1,800,000 -3,000,000  -1,814,000 -278,000 482,000 326,000 995,000 194,000 412,000 333,000 -61,000 121,000 101,000 96,000 197,000 66,000 65,000 -64,000 -140,000 -62,000 -37,000 -52,000 -4,000 -21,000 -52,000 -65,000 -63,500 -5,000 -118,000 -131,000 -35,750 -28,000 -69,000 -46,000                     
      net income per share
                                  -0.03 -0.11         -0.48 -0.33 -0.27 -0.21 -0.1 -0.19 -0.53 -0.11 -0.04 -0.39 -0.2 -0.2 -0.21 -0.26 -0.3 -0.31 -0.3 -0.29 -0.42 -0.22 -0.5 -0.3 -0.36 -0.37 -0.36 -0.88 -0.73 -0.71 -1.02 -0.75 -0.87 -0.73 -0.36 -0.52 -0.99 -23.86 
      basic
            1.48 0.74 0.39 0.34 0.25 -0.08 -0.5 0.4 0.43 0.18 -0.37  -0.26 0.18 0.22 -0.03 0.08 0.01 0.02 0.07 -0.028 0.03                                               
      diluted
            1.47 0.74 0.39 0.34 0.25 -0.08 -0.5 0.4 0.42 0.18 -0.37  -0.26 0.17 0.22 -0.03 0.08 0.01 0.02 0.07 -0.028 0.03                                               
      weighted-average number of common shares outstanding:
                                                                                
      basic
    70,348 70,367 70,389 70,272 70,076 70,123 70,062 69,957 69,751 69,823 69,741 69,583 69,375 69,418 69,356 69,254 67,698 68,869 66,696 66,113 64,735 65,717,820 64,370,791 62,883,672 60,593,846 60,743,211 59,844,991 59,355,031 58,859,574 59,016,863                                               
      diluted
    71,886 70,661 70,652 74,111 73,890 73,951 73,802 73,741 73,633 73,624 70,142 70,096 69,910 69,418 69,356 69,858 68,579 69,619 66,696 66,113 65,946 66,827,692 65,578,513 62,883,672 62,304,348 62,335,679 61,486,325 61,148,428 61,008,024 61,146,466                                               
      operating expenses:
                                                                                
      research and development
                            34,703,000 30,779,000 32,264,000 31,954,000 28,514,000 21,762,000 18,418,000 19,912,000 18,782,000 20,141,000 18,029,000 17,500,000 16,034,000 13,734,000 12,953,000 12,989,000 12,897,000 10,035,000 12,069,000 8,207,000 7,286,000 7,158,000 6,677,000 6,779,000 6,424,000 5,771,000 5,174,000 4,396,000 5,847,000 6,559,000 6,521,000 5,432,000 5,804,000 4,638,000 6,832,000 4,589,000 4,438,000 3,698,000 4,583,000 3,847,000 3,351,000 3,404,000 3,272,000 3,204,000 3,535,000 3,263,000 3,382,000 2,923,000 3,170,000 2,231,000 2,520,000 2,470,000 
      sales and marketing
                            48,334,000 47,749,000 47,401,000 41,616,000 39,661,000 34,922,000 35,605,000 32,133,000 35,329,000 28,718,000 29,475,000 28,095,000 25,364,000 22,147,000 22,950,000 24,022,000 24,946,000 24,194,000 21,811,000 17,401,000 17,462,000 14,870,000 14,856,000 13,656,000 12,836,000 15,407,000 13,580,000 13,871,000 12,734,000 13,571,000 13,664,000 12,739,000 12,290,000 12,312,000 9,625,000 9,006,000 8,394,000 8,979,000 9,013,000 8,309,000 8,678,000 9,629,000 10,504,000 8,772,000 9,999,000 10,176,000 10,994,000 8,565,000 5,489,000 4,144,000 3,404,000 3,104,000 
      general and administrative
                            32,941,000 27,548,000 29,150,000 25,861,000 25,904,000 38,420,000 23,724,000 23,770,000 26,165,000 22,718,000 20,493,000 19,111,000 23,674,000 17,342,000 15,842,000 14,739,000 31,518,000 17,156,000 12,856,000 15,829,000 14,180,000 18,890,000 19,512,000 14,259,000 13,552,000 23,530,000 13,901,000 13,094,000 12,824,000 12,731,000 12,665,000 13,020,000 12,498,000 11,379,000 12,996,000 7,211,000 6,288,000 7,230,000 6,190,000 6,959,000 7,267,000 6,246,000 5,838,000 7,491,000 6,850,000 6,308,000 5,395,000 5,197,000 5,077,000 3,388,000 2,798,000 2,660,000 
      total operating expenses
                            115,978,000 106,076,000 108,815,000 99,431,000 94,079,000 95,104,000 77,747,000 75,815,000 80,276,000 71,577,000 67,997,000 64,706,000 65,072,000 53,223,000 51,745,000 51,750,000 69,361,000 51,385,000 46,736,000 41,437,000 38,928,000 40,918,000 41,045,000 34,694,000 32,812,000 44,708,000 32,655,000 31,361,000 31,405,000 32,861,000 32,850,000 31,191,000 30,592,000 28,329,000 29,453,000 20,806,000 23,551,000 19,907,000 19,786,000 19,115,000 19,296,000 19,279,000 19,614,000 19,467,000 28,554,000 19,747,000 19,771,000 16,685,000 13,736,000 10,790,000 8,722,000 8,234,000 
      interest expense, net of portion capitalized
                            -10,973,000 -9,370,000 -7,642,000                                                  
      weighted-average number of shares used in calculating net income per share:
                                                                                
      basic
    70,348 70,367 70,389 70,272 70,076 70,123 70,062 69,957 69,751 69,823 69,741 69,583 69,375 69,418 69,356 69,254 67,698 68,869 66,696 66,113 64,735 65,717,820 64,370,791 62,883,672 60,593,846 60,743,211 59,844,991 59,355,031 58,859,574 59,016,863                                               
      diluted
    71,886 70,661 70,652 74,111 73,890 73,951 73,802 73,741 73,633 73,624 70,142 70,096 69,910 69,418 69,356 69,858 68,579 69,619 66,696 66,113 65,946 66,827,692 65,578,513 62,883,672 62,304,348 62,335,679 61,486,325 61,148,428 61,008,024 61,146,466                                               
      interest expense and other income
                               2,561,000 4,213,000 5,012,000 5,604,000 6,236,000 3,258,500 4,153,000 4,308,000  -2,823,250 -5,369,000 -2,998,000                                      
      net income per share
                                  -0.03 -0.11         -0.48 -0.33 -0.27 -0.21 -0.1 -0.19 -0.53 -0.11 -0.04 -0.39 -0.2 -0.2 -0.21 -0.26 -0.3 -0.31 -0.3 -0.29 -0.42 -0.22 -0.5 -0.3 -0.36 -0.37 -0.36 -0.88 -0.73 -0.71 -1.02 -0.75 -0.87 -0.73 -0.36 -0.52 -0.99 -23.86 
      weighted-average number of shares used in calculating net loss per share
                                  58,833 58,482,786 58,003,434 58,100 57,977 57,694 57,251,377 57,341,063 57,195,963 57,029,575 56,785,646 56,898,281 56,808,489 56,496,648 55,628,542 55,819,242 55,425,949 55,089,028 54,010,887 54,458,364 53,834,707 53,052,400 47,924,324 48,041,392 47,824,190  46,689,880    39,607,899    29,727,106    27,611,003   27,394,322 16,688,418 26,322,763 12,791,190 484,431 
      loss on extinguishment of long-term debt
                                         2,551,000        -4,260,000 -18,943,000                              
      loss from continuing operations before income taxes
                                    -6,921,000 -2,106,000 -7,666,000 -9,881,000 -8,956,000 -2,951,000 -4,286,000 -10,625,000                                     
      net income from continuing operations
                                    -6,860,000 -2,227,000 -7,767,000 -9,977,000 -9,153,000 -3,017,000 -4,351,000 -10,689,000                                     
      loss from discontinued operations, net of tax
                                        34,000 -64,000  -1,792,000                                     
      net loss from continuing operations per share
                                    -0.085 -0.04 -0.13 -0.17 -0.08 -0.05                                       
      net loss from discontinued operations per share
                                        -0.008                                        
      income from discontinued operations, net of tax (0 and 22 for the three months ended june 30, 2016 and 2015, respectively and 408 and 50 for the six months ended june 30, 2016 and 2015, respectively.
                                          153,000                                      
      net loss from continuing operations per share basic and diluted
                                          -0.08 -0.19                                     
      net income from discontinued operations per share basic and diluted
                                                                                
      interest and other expense
                                           -2,926,000 -3,147,000 -3,131,000 -3,034,000 -3,152,000 -3,141,000 -7,948,000 -23,779,000 -4,489,000 -4,244,000 -3,999,000 -4,616,000                          
      net loss from discontinued operations per share basic and diluted
                                           -0.03                                     
      weighted-average number of shares used in calculating basic and diluted net loss per share
                                                           47,607,449  47,321,989 46,377,843 45,583,242  40,155,277 38,285,628   28,008,699 27,869,159 27,804,603  27,716,473 27,568,296      
      net interest expense
                                                                -2,848,250 -3,822,000 -3,811,000 -3,125,000 -4,303,000 -11,245,000 -3,794,000          
      weighted average number of shares used in calculating basic and diluted net loss per share
                                                                   37,888,258             
      net interest income
                                                                       -2,173,000 -630,500 -918,000 -1,743,000 138,000     
      gross loss
                                                                        1,198,000 -87,000 -2,368,000 -3,327,000 -2,318,000 -3,792,000 -3,687,000 -2,564,000 
      impairment of assets
                                                                             1,027,000   
      change in value of preferred stock warrant liability
                                                                              10,000  
      accretion of redeemable convertible preferred stock
                                                                                
      net loss attributable to common shareholders
                                                                            -15,668,000 -13,639,000 -12,672,000 -11,560,000 
      increase in value of preferred stock warrant liability
                                                                               -84,000 
      pro forma net loss per share basic and diluted
                                                                               -0.64 
      pro forma weighted-average number of shares used in calculating net loss per share
                                                                               18,152,203 
    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 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
                                                                                  
        assets
                                                                                  
        current assets
                                                                                  
        cash and cash equivalents
      716,100,000 757,400,000 1,121,600,000 1,283,100,000 953,400,000 902,600,000 821,000,000 751,200,000 704,200,000 685,400,000 660,100,000 620,700,000 674,700,000 722,000,000 708,600,000 709,600,000 791,600,000 856,600,000 854,600,000 820,700,000 907,200,000 838,100,000 779,100,000 201,400,000 213,700,000 419,882,000 119,867,000 129,254,000 113,906,000 126,563,000 136,246,000 203,146,000 272,577,000 102,233,000 73,488,000 76,038,000 137,174,000 215,402,000 75,661,000 111,635,000 122,672,000 145,467,000 145,137,000 145,608,000 151,193,000 146,372,000 175,545,000 145,614,000 149,727,000 153,905,000 150,944,000 148,065,000 57,293,000 63,443,000 70,144,000 83,006,000 93,955,000 103,812,000 106,746,000 104,488,000 113,274,000 103,918,000 118,071,000 118,338,000 127,996,000 72,694,000 52,362,000 68,164,000 56,663,000 74,134,000 99,108,000 73,035,000     
        accounts receivable trade
      516,900,000    252,500,000    240,200,000    140,900,000        83,800,000                                                        
        accounts receivable trade, net — related party
       155,700,000 138,100,000 119,200,000 113,000,000 113,900,000 99,600,000 86,400,000 119,500,000 79,900,000 82,900,000 57,600,000 64,700,000 48,300,000 52,500,000 35,800,000                                                             
        inventories
      452,600,000 446,300,000 446,900,000 440,800,000 430,400,000 444,900,000 430,900,000 430,600,000 402,600,000 410,800,000 411,300,000 386,100,000 346,800,000 327,600,000 320,400,000 314,800,000 303,200,000 259,000,000 197,800,000 170,100,000 154,300,000 124,900,000 103,700,000 95,700,000 101,000,000 90,207,000 85,109,000 73,822,000 71,414,000 58,050,000 40,808,000 26,334,000 33,793,000 35,054,000 33,956,000 34,333,000 35,514,000 32,663,000 24,486,000 14,024,000 14,043,000 13,019,000 23,435,000 20,065,000 13,099,000 9,662,000 8,765,000 10,449,000 9,464,000 5,395,000 5,979,000 9,199,000 14,867,000 15,089,000 16,426,000 14,703,000 11,838,000 13,123,000 15,957,000 12,199,000 11,430,000 12,909,000 10,231,000 6,600,000 10,086,000 9,175,000 10,409,000 15,147,000 16,870,000 16,467,000 13,336,000 7,506,000 7,990,000 4,572,000 4,129,000 4,256,000 
        prepaid expenses and other current assets
      228,300,000  266,700,000 202,200,000 142,000,000 137,800,000 148,300,000 116,100,000 116,400,000 104,600,000 99,600,000 106,000,000 86,900,000 78,100,000 73,500,000 71,700,000 74,000,000 76,500,000 82,700,000 73,600,000 63,000,000 53,400,000 59,600,000 43,900,000 31,100,000 20,653,000 25,211,000 28,028,000 24,254,000 17,905,000 17,559,000 17,449,000 9,949,000 8,037,000 8,431,000 8,159,000 7,073,000 7,901,000 6,838,000 5,712,000 5,659,000 4,049,000 3,431,000 3,661,000 4,022,000 3,434,000 5,725,000 7,115,000 5,940,000 5,921,000 6,556,000 6,383,000 4,482,000 4,717,000 3,454,000 3,463,000 2,802,000 3,653,000 4,770,000 1,841,000 912,000 1,059,000 1,499,000 2,029,000 1,260,000 1,565,000 2,100,000 3,385,000 3,028,000 3,521,000 2,748,000 2,843,000 1,391,000 1,763,000 1,248,000 1,797,000 
        total current assets
      1,914,000,000 1,859,400,000 2,279,700,000 2,328,400,000 1,891,300,000 1,860,900,000 1,748,800,000 1,618,400,000 1,582,900,000 1,471,100,000 1,421,500,000 1,330,000,000 1,314,000,000 1,329,100,000 1,309,100,000 1,285,400,000 1,329,800,000 1,306,900,000 1,252,900,000 1,191,800,000 1,248,700,000 1,160,400,000 1,085,700,000 541,300,000 591,000,000 793,901,000 498,807,000 496,382,000 461,286,000 445,712,000 421,793,000 451,611,000 537,171,000 366,020,000 338,745,000 337,168,000 369,960,000 361,807,000 181,290,000 171,845,000 190,761,000 194,338,000 203,829,000 205,427,000 208,196,000 206,613,000 231,832,000 199,857,000 198,198,000 199,686,000 197,129,000 194,757,000 109,936,000 113,394,000 115,615,000 127,369,000 131,785,000 137,857,000 147,834,000 133,537,000 142,457,000 133,328,000 145,602,000 142,173,000 154,304,000 99,791,000 80,380,000 99,987,000 88,499,000 105,964,000 124,952,000 90,607,000 108,752,000 113,891,000 127,828,000 27,247,000 
        property, plant and equipment
      819,500,000 724,100,000 720,400,000 718,700,000 723,100,000 702,900,000 677,900,000 667,700,000 664,900,000 649,200,000 601,500,000 596,600,000 599,900,000 553,100,000 535,800,000 538,200,000 536,500,000 515,400,000 505,500,000 497,900,000 478,700,000 449,200,000 423,200,000 412,400,000 399,400,000 355,865,000                                                   
        other intangible assets
      117,100,000 105,000,000 102,300,000 99,800,000 98,500,000 99,600,000 98,500,000 98,500,000 98,700,000 99,500,000 99,500,000 100,200,000 75,500,000 53,700,000 55,100,000 52,800,000 36,600,000 37,200,000 33,400,000 29,700,000 28,700,000 10,400,000 10,900,000 12,400,000 13,200,000 12,834,000 13,040,000 11,484,000 10,383,000 7,791,000 5,747,000 4,570,000 4,351,000 4,369,000 3,386,000 2,208,000 528,000 651,000 773,000 885,000                                     
        goodwill
      51,600,000 51,600,000 51,700,000 51,500,000 51,500,000 51,700,000 51,700,000 51,700,000 51,700,000 51,700,000 51,700,000 51,700,000 51,700,000 51,600,000 51,800,000 51,800,000 39,800,000 39,800,000 39,900,000 39,800,000 39,800,000 39,700,000 39,600,000 39,600,000 39,800,000 39,713,000 39,739,000 39,694,000 39,646,000 39,774,000 39,731,000 39,773,000 39,840,000 39,854,000 39,759,000 39,697,000 39,677,000 39,730,000 39,763,000 39,761,000 39,747,000 39,823,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 37,536,000 26,647,000 26,647,000 26,647,000 26,647,000 26,164,000 26,727,000                  
        deferred tax assets
      82,400,000 100,900,000   141,800,000 144,400,000 141,100,000                                                                      
        other assets
      205,800,000 188,300,000 315,100,000 318,900,000 181,500,000 165,900,000 163,600,000 187,700,000 190,000,000 196,200,000 211,600,000 210,600,000 210,000,000 178,700,000 161,900,000 141,000,000 106,100,000 99,600,000 92,000,000 80,900,000 77,000,000 50,400,000 43,800,000 41,700,000 41,100,000 35,071,000 29,435,000 28,658,000 18,266,000 18,057,000 17,961,000 16,663,000 1,969,000 1,614,000 1,559,000 605,000 216,000 98,000 88,000 588,000 104,000 4,384,000 4,687,000 4,986,000 5,291,000 5,493,000 5,919,000 1,652,000 1,825,000 1,721,000 1,886,000 2,056,000 2,202,000 2,333,000 2,503,000 2,647,000 2,727,000 2,791,000 3,104,000 1,133,000 1,254,000 2,379,000 2,637,000 1,730,000 1,862,000 1,806,000 3,244,000 3,442,000 3,166,000 3,288,000 3,377,000 635,000 685,000 754,000 822,000 1,951,000 
        total assets
      3,190,400,000 3,029,300,000 3,469,200,000 3,517,300,000 3,087,700,000 3,025,400,000 2,881,600,000 2,624,000,000 2,588,200,000 2,467,700,000 2,385,800,000 2,289,100,000 2,251,100,000 2,166,200,000 2,113,700,000 2,069,200,000 2,048,800,000 1,998,900,000 1,923,700,000 1,840,100,000 1,872,900,000 1,710,600,000 1,626,700,000 1,108,200,000 1,142,900,000 1,268,390,000 977,723,000 952,612,000 928,744,000 886,306,000 838,856,000 829,763,000 816,744,000 500,348,000 459,327,000 444,957,000 456,647,000 453,197,000 263,045,000 254,774,000 275,126,000 293,120,000 300,393,000 305,716,000 302,156,000 301,197,000 325,328,000 288,528,000 287,955,000 289,496,000 286,152,000 280,899,000 198,059,000 191,642,000 191,940,000 203,942,000 209,583,000 215,780,000 226,190,000 148,926,000 156,233,000 149,854,000 161,990,000 159,037,000 171,648,000 117,128,000 99,313,000 119,852,000 109,229,000 135,332,000 154,573,000 116,467,000 130,741,000 135,605,000 149,140,000 47,682,000 
        liabilities and stockholders’ equity
                                                                                  
        current liabilities
                                                                                  
        accounts payable
      75,000,000 48,200,000 96,100,000 57,600,000 19,800,000 40,300,000 76,800,000 75,900,000 19,200,000 77,800,000 107,500,000 85,900,000 30,800,000 62,100,000 57,200,000 52,200,000 37,700,000 58,000,000 49,300,000 59,100,000 54,100,000 57,000,000 35,600,000 36,400,000 54,500,000 21,245,000 24,752,000 26,833,000 25,500,000 26,845,000 25,191,000 33,846,000 24,413,000 28,648,000 12,243,000 6,413,000 13,160,000 18,212,000 21,605,000 13,482,000 18,649,000 15,614,000 17,916,000 14,246,000 14,659,000 17,726,000 18,610,000 20,983,000 19,359,000 15,117,000 11,441,000 8,544,000 9,361,000 16,216,000 13,687,000 16,107,000 11,418,000 8,604,000 9,369,000 6,213,000 4,895,000 5,154,000 9,128,000 3,277,000 5,870,000 5,183,000 5,580,000 5,979,000 7,291,000 5,965,000 5,984,000 7,399,000 4,544,000 4,152,000 5,485,000 4,687,000 
        accrued expenses and other current liabilities
      586,700,000 518,700,000 453,400,000 378,600,000 423,800,000 414,200,000 365,000,000 308,600,000 373,700,000 319,200,000 282,800,000 263,600,000 301,000,000 241,700,000 192,500,000 135,800,000 166,000,000 141,700,000 143,100,000 110,700,000 138,100,000 118,200,000 98,800,000 94,000,000 103,200,000 92,037,000 81,021,000 85,945,000 88,973,000 68,169,000 48,580,000 45,759,000 59,256,000 44,897,000 34,648,000 31,839,000 40,959,000 33,732,000 29,938,000 30,385,000 38,627,000 35,547,000 26,443,000 25,267,000 24,703,000 25,214,000 24,588,000 18,771,000 19,478,000 30,017,000 20,276,000                          
        accrued expenses and other current liabilities — related party
       900,000  1,100,000 1,000,000 9,700,000 6,300,000 9,000,000 8,900,000 4,600,000 5,500,000 6,000,000 5,400,000 3,500,000 3,300,000 1,300,000                                                             
        current portion of long-term debt
      18,400,000 79,900,000 460,700,000 83,100,000 83,800,000 42,000,000 37,900,000 38,900,000 49,400,000 49,800,000 29,200,000 27,800,000 27,500,000 26,900,000 26,300,000 25,700,000 25,100,000 28,900,000 20,900,000 15,700,000 15,600,000                          23,874,000     14,733,000 14,429,000 14,134,000 13,849,000                 10,670,000 10,671,000 10,671,000 7,943,000 29,225,000 
        total current liabilities
      680,100,000 647,700,000 1,010,100,000 520,400,000 528,400,000 506,200,000 486,000,000 432,400,000 451,200,000 451,400,000 425,000,000 383,300,000 364,700,000 334,200,000 279,300,000 215,000,000 228,800,000 228,600,000 213,300,000 185,500,000 207,800,000 175,200,000 134,400,000 130,400,000 157,700,000 113,282,000 105,773,000 113,973,000 115,657,000 97,224,000 76,109,000 82,414,000 86,025,000 74,940,000 48,018,000 39,379,000 55,697,000 54,252,000 55,181,000 49,775,000 65,156,000 59,437,000 52,682,000 47,376,000 44,296,000 47,764,000 71,199,000 43,118,000 42,374,000 48,294,000 33,853,000 42,980,000 48,286,000 49,342,000 43,140,000 32,580,000 27,995,000 24,761,000 26,611,000 16,797,000 18,950,000 20,442,000 23,760,000 17,932,000 19,813,000 18,217,000 16,783,000 19,790,000 16,968,000 15,823,000 15,534,000 25,944,000 21,029,000 19,306,000 17,045,000 40,931,000 
        long-term debt
      930,800,000 934,900,000 939,000,000 1,612,300,000 1,296,100,000 1,356,300,000 1,359,900,000 1,362,600,000 1,366,400,000 1,370,600,000 1,368,600,000 1,368,800,000 1,374,300,000 1,379,800,000 1,385,200,000 1,390,500,000 1,248,800,000 1,257,000,000 1,235,200,000 1,051,600,000 1,043,700,000        591,978,000    566,173,000 344,953,000 340,836,000 336,762,000 332,768,000 328,962,000 175,690,000 173,681,000 171,698,000 173,870,000 172,220,000 170,595,000 168,994,000 167,418,000 165,870,000 116,277,000 113,651,000 111,117,000 108,670,000 106,186,000 103,730,000 101,517,000 99,382,000 110,844,000 108,540,000 106,319,000 104,177,000 70,857,000 69,433,000 94,179,000 92,292,000 98,217,000 96,979,000 95,902,000 83,079,000 81,446,000 85,000,000 85,000,000 85,000,000 13,338,000 16,006,000 18,673,000 21,341,000  
        other liabilities
      64,400,000 62,600,000 57,100,000 53,900,000 51,600,000 44,900,000 37,300,000 38,300,000 37,900,000 38,200,000 38,300,000 34,200,000 35,700,000 24,200,000 26,800,000 17,000,000 14,900,000 15,400,000 16,100,000 17,700,000 17,800,000 18,900,000 18,800,000 19,800,000 21,400,000 18,769,000 14,819,000                                                  
        total liabilities
      1,675,200,000 1,645,100,000 2,006,300,000 2,186,600,000 1,876,100,000 1,907,400,000 1,883,200,000 1,833,300,000 1,855,500,000 1,860,200,000 1,831,900,000 1,786,300,000 1,774,700,000 1,738,200,000 1,691,300,000 1,622,500,000 1,492,500,000 1,501,000,000 1,464,600,000 1,254,800,000 1,269,300,000 1,115,600,000 1,063,400,000 1,049,200,000 1,067,000,000 1,117,822,000 727,943,000 728,982,000 716,645,000 688,377,000 659,708,000 659,195,000 658,228,000 426,094,000 394,602,000 381,372,000 393,497,000 388,102,000 235,601,000 228,378,000 241,075,000 237,987,000 230,138,000 224,974,000 218,327,000 220,857,000 242,483,000 166,036,000 163,358,000 168,070,000 147,817,000 151,352,000 153,883,000 152,529,000 144,190,000 145,064,000 138,187,000 132,340,000 132,091,000 89,146,000 90,002,000 116,349,000 118,009,000 118,113,000 118,791,000 116,825,000 102,784,000 104,395,000 104,955,000 103,684,000 103,282,000 42,828,000 38,466,000 39,307,000 39,620,000 41,248,000 
        commitments and contingencies
                                                                                  
        stockholders’ equity
                                                                                  
        preferred stock, .001 par value...
                                                                                  
        common stock, .001 par value...
      100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000  100,000 100,000 100,000  100,000 100,000 100,000  62,000 60,000                                                  
        additional paid-in capital
      1,274,900,000 1,245,800,000 1,379,400,000 1,260,900,000 1,184,400,000 1,158,600,000 1,140,600,000 1,117,600,000 1,102,600,000 1,081,100,000 1,070,700,000 1,047,300,000 1,040,600,000 1,022,400,000 1,011,200,000 995,500,000 1,207,900,000 1,179,900,000 1,149,600,000 1,248,300,000 1,264,300,000 1,244,700,000 1,227,600,000 737,900,000 749,000,000 832,140,000 930,383,000 905,891,000 898,559,000 893,829,000 876,641,000 865,520,000 866,206,000 774,714,000 763,364,000 754,585,000 744,243,000 736,730,000 695,854,000 690,619,000 686,193,000 679,761,000 675,489,000 670,544,000 661,798,000 652,909,000 639,609,000 655,106,000 651,067,000 645,396,000 641,016,000 621,710,000 525,679,000 521,761,000 517,981,000 514,633,000 512,371,000 510,077,000 507,174,000 453,435,000 450,039,000 396,459,000 394,835,000 384,631,000 382,709,000 315,230,000 286,734,000 285,423,000 252,615,000 251,706,000 250,598,000 249,064,000 247,835,000 236,182,000 235,765,000 524,000 
        accumulated earnings
      287,400,000 185,800,000 98,200,000 75,700,000 40,300,000                                                                        
        accumulated other comprehensive income
      12,500,000 12,200,000 15,400,000  -13,200,000 19,700,000 -4,400,000 -500,000 8,000,000 7,600,000 16,300,000 15,900,000 20,000,000 6,800,000 7,200,000 12,200,000 -2,200,000 -3,400,000 700,000 3,200,000 5,500,000                                                        
        treasury stock
      -60,400,000 -60,500,000 -31,000,000 -200,000                                                                         
        deferred compensation
      800,000 900,000 900,000 200,000                                                                         
        total stockholders’ equity
      1,515,200,000 1,384,100,000 1,462,900,000 1,330,700,000 1,211,600,000 1,118,000,000 998,400,000 790,700,000 732,700,000 607,500,000 553,900,000 502,800,000 476,400,000 428,000,000 422,400,000 446,700,000 556,300,000 497,900,000 459,100,000 585,300,000 603,600,000 595,000,000 563,300,000 59,000,000 75,900,000 150,568,000 249,780,000 223,630,000 212,099,000 197,929,000 179,148,000 170,568,000 158,516,000 74,254,000 64,725,000 63,585,000 63,150,000 65,095,000 27,444,000 26,396,000 34,051,000 55,133,000 70,255,000 80,742,000 83,829,000 80,340,000 77,884,000 122,492,000 124,597,000 121,426,000 138,335,000 129,547,000 44,176,000 39,113,000 47,750,000 58,878,000 71,396,000 83,440,000 94,099,000 59,780,000 66,231,000 33,505,000 43,981,000  52,857,000 303,000 -3,471,000 15,457,000 4,274,000 31,648,000 51,291,000 73,639,000 92,275,000 96,298,000 109,520,000  
        total liabilities and stockholders’ equity
      3,190,400,000 3,029,300,000 3,469,200,000 3,517,300,000 3,087,700,000 3,025,400,000 2,881,600,000 2,624,000,000 2,588,200,000 2,467,700,000 2,385,800,000 2,289,100,000 2,251,100,000 2,166,200,000 2,113,700,000 2,069,200,000 2,048,800,000 1,998,900,000 1,923,700,000 1,840,100,000 1,872,900,000 1,710,600,000 1,626,700,000 1,108,200,000 1,142,900,000 1,268,390,000 977,723,000 952,612,000 928,744,000 886,306,000 838,856,000 829,763,000 816,744,000 500,348,000 459,327,000 444,957,000 456,647,000 453,197,000 263,045,000 254,774,000 275,126,000 293,120,000 300,393,000 305,716,000 302,156,000 301,197,000  288,528,000 287,955,000 289,496,000 286,152,000 280,899,000 198,059,000 191,642,000 191,940,000 203,942,000 209,583,000 215,780,000 226,190,000 148,926,000 156,233,000 149,854,000 161,990,000  171,648,000 117,128,000 99,313,000 119,852,000 109,229,000 135,332,000 154,573,000 116,467,000 130,741,000 135,605,000 149,140,000  
        accounts receivable trade, net of allowance for credit losses of 1.6 and 1.4
       306,500,000 306,400,000                                                                          
        prepaid expenses
       72,600,000                                                                           
        other current assets
       120,800,000                                                                           
        accounts receivable trade, net of allowance for credit losses
         283,100,000                                                                         
        accumulated other comprehensive loss
         -6,000,000                  -600,000 -3,600,000 -3,800,000 -1,200,000 -4,652,000 -2,829,000 -3,085,000 -2,905,000 -2,452,000 -2,386,000 -1,536,000 -493,000 -123,000 -529,000 -657,000 -726,000 -387,000 -243,000 -254,000 -654,000 -467,000                                   
        accounts receivable trade, less allowance for credit losses of 2.8 and 2.5
           261,700,000 249,000,000                                                                      
        accumulated deficit
           -60,400,000 -137,900,000 -326,500,000 -378,000,000 -481,300,000 -533,200,000 -560,500,000 -584,300,000 -601,300,000 -596,100,000 -561,100,000 -649,500,000 -678,700,000 -691,300,000 -666,300,000 -666,300,000 -649,200,000 -660,800,000 -675,200,000 -672,000,000 -676,982,000 -677,834,000 -679,236,000 -683,614,000 -693,507,000 -695,166,000 -693,475,000 -707,255,000 -700,395,000 -698,168,000 -690,401,000 -680,424,000 -671,305,000 -668,224,000 -664,026,000 -651,545,000 -624,218,000 -605,291,000 -589,859,000 -578,025,000 -572,625,000 -561,780,000 -532,669,000 -526,525,000 -524,025,000 -502,735,000 -492,216,000 -481,551,000 -482,696,000 -470,279,000 -455,803,000 -441,023,000 -426,684,000 -413,122,000 -393,701,000 -383,853,000 -362,995,000 -350,895,000 -343,746,000 -329,891,000 -314,959,000 -290,234,000 -269,995,000 -248,370,000 -220,087,000 -199,335,000 -175,453,000 -155,579,000 -139,911,000 -126,272,000 -113,600,000 
        accounts receivable trade, less allowance for credit losses of 3.5 and 2.5
             234,100,000                                                                     
        accounts receivable trade, less allowance for credit losses of 2.5 and 2.5
               190,400,000                                                                   
        accounts receivable trade, less allowance for credit losses of 3.1 and 2.5
                167,600,000 159,600,000                                                                 
        accounts receivable trade, less allowance for credit losses of 2.9 and 2.7
                   153,100,000                                                               
        accounts receivable trade, less allowance for credit losses of 3.1 and 2.7
                    154,100,000                                                              
        accounts receivable trade, less allowance for credit losses of 2.8 and 2.7
                     153,500,000                                                             
        short-term investments
                       500,000 17,500,000 29,500,000 40,400,000 58,600,000 65,300,000 120,200,000 162,400,000 185,622,000 189,881,000 187,120,000 175,040,000 163,281,000 163,546,000 148,853,000 167,479,000 173,523,000 185,117,000 177,990,000 161,396,000 67,293,000 35,605,000                                      
        accounts receivable
                      161,000,000           68,655,000 63,294,000 69,950,000 49,676,000 50,383,000 53,373,000 47,173,000 37,753,000 40,648,000 28,803,000 38,548,000 38,700,000 40,474,000 48,387,000 31,803,000 31,826,000 36,093,000 39,882,000 47,145,000 41,797,000 36,679,000 33,067,000 34,465,000 33,650,000 31,110,000 33,294,000 30,145,000 25,591,000 26,197,000 23,190,000 17,269,000 20,361,000 15,009,000 16,841,000 15,442,000 15,801,000 15,206,000 14,962,000 16,357,000 15,509,000 13,291,000 11,938,000 11,842,000 9,760,000 7,223,000 4,783,000 3,343,000 2,633,000 2,118,000 
        commitment and contingencies
                                                                                  
        preferred stock, .001 par value:
                                                                                  
        authorized: 5,000,000 shares at december 31, 2021 and 2020issued and outstanding: zero shares at december 31, 2021 and 2020
                                                                                  
        common stock
                                                                                  
        authorized: 100,000,000 shares at december 31, 2021 and 2020issued and outstanding: 69,178,691 and 66,017,444 shares at december 31, 2021 and 2020
                      100,000                                                            
        accounts receivable trade, less allowance for credit losses of 3.0 and 2.9
                       114,300,000                                                           
        accounts receivable trade, less allowance for credit losses of 3.7 and 2.9
                        100,300,000                                                          
        accounts receivable trade, less allowance for credit losses of 4.0 and 2.9,
                         97,900,000                                                         
        long-term investments
                           500,000 23,500,000 60,800,000 58,400,000 31,006,000 62,677,000 76,789,000 140,784,000 145,539,000 156,060,000 164,117,000 125,549,000                                            
        authorized: 5,000,000 shares at december 31, 2020 and 2019.issued and outstanding: zero shares at december 31, 2020 and 2019.
                                                                                  
        authorized: 100,000,000 shares at december 31, 2020 and 2019.issued and outstanding: 66,017 and 62,685 shares at december 31, 2020 and 2019
                          100,000                                                        
        accounts receivable trade, less allowance for credit losses of 3.6 and 3.8
                           85,400,000                                                       
        convertible debt
                           921,500,000 910,200,000 899,000,000 887,900,000 985,771,000 607,351,000 599,601,000  584,485,000 577,119,000 569,877,000                                             
        accounts receivable trade, less allowance for credit losses of 4.6 and 3.8
                            78,000,000                                                      
        accounts receivable trade, less allowance for credit losses of 4.1 and 3.8
                             80,100,000                                                     
        liabilities and shareholders’ equity
                                                                                  
        accounts receivable trade, less allowance for doubtful accounts of 3.8 and 3.6
                              69,300,000                                                    
        unbilled receivable
                              13,500,000 12,485,000 11,781,000 9,503,000 13,378,000 9,963,000 13,958,000 5,446,000                                             
        authorized: 5,000,000 shares at december 31, 2019 and 2018. issued and outstanding: zero shares at december 31, 2019 and 2018.
                                                                                  
        authorized: 100,000,000 shares at december 31, 2019 and 2018. issued and outstanding: 62,685,492 and 59,188,758 shares at december 31, 2019 and 2018, respectively.
                              100,000                                                    
        accounts receivable trade, less allowance for doubtful accounts of 4,174 and 3,610
                               65,052,000                                                   
        accounts receivable trade, less allowance for doubtful accounts of 4,098 and 3,610
                                66,958,000                                                  
        property and equipment
                                334,025,000 299,605,000 258,379,000 229,433,000 197,564,000 153,029,000 107,864,000 88,491,000 75,878,000 65,279,000 46,266,000 50,911,000 41,131,000 41,695,000 41,793,000 41,536,000 42,040,000 44,612,000 37,069,000 36,582,000 34,159,000 32,556,000 32,356,000 31,399,000 29,334,000 24,982,000 25,422,000 24,910,000 21,422,000 19,947,000 19,422,000 18,295,000 16,125,000 14,256,000 12,522,000 14,147,000 13,751,000 15,134,000 15,482,000 15,531,000 15,689,000 16,423,000 17,564,000 26,080,000 26,244,000 25,225,000 21,304,000 20,960,000 20,490,000 18,484,000 
        deferred revenue
                                 1,195,000 1,184,000 2,210,000 2,338,000 2,809,000 2,356,000 1,395,000 1,127,000 1,127,000 1,309,000 1,247,000 1,323,000 1,461,000 2,361,000 2,256,000 2,088,000 1,867,000 1,554,000 834,000 1,255,000 612,000 900,000 567,000 900,000 1,661,000 5,445,000 1,138,000 1,148,000 2,631,000 2,582,000 2,193,000 3,725,000 1,842,000 4,247,000 3,826,000 4,818,000 4,527,000 3,970,000 3,411,000 3,050,000 2,484,000 2,377,000 2,271,000 1,681,000 1,337,000 1,350,000 711,000 763,000 679,000 
        other long-term liabilities
                                 15,408,000 9,010,000 6,668,000 6,480,000 6,904,000 6,030,000 6,201,000 5,748,000 5,231,000 5,032,000 4,888,000 4,730,000 4,922,000 3,952,000 3,619,000 2,921,000 3,038,000 2,774,000 2,580,000 1,521,000 1,984,000 1,943,000 2,567,000 2,246,000 2,186,000 1,867,000 1,670,000 1,668,000 1,640,000 1,652,000 1,260,000 1,303,000 1,492,000 1,619,000 1,728,000 1,957,000 1,964,000 1,999,000 2,706,000 2,922,000 3,159,000 2,987,000 2,861,000 2,748,000 3,546,000 1,431,000 1,328,000 1,234,000 317,000 
        authorized: 5,000,000 shares at march 31, 2019 and december 31, 2018. issued and outstanding: zero shares at march 31, 2019 and december 31, 2018.
                                                                                  
        authorized: 100,000,000 at march 31, 2019 and december 31, 2018.issued and outstanding: 59,638,439 and 59,188,758 at march 31, 2019 and december 31, 2018, respectively.
                                 60,000                                                 
        authorized: 5,000,000 shares at december 31, 2018 and 2017. issued and outstanding: zero shares at december 31, 2018 and 2017
                                                                                  
        authorized: 100,000,000 shares at december 31, 2018 and 2017. issued and outstanding: 59,188,758 and 58,319,348 shares at december 31, 2018 and 2017, respectively
                                  59,000                                                
        authorized: 5,000,000 shares at september 30, 2018 and december 31, 2017. issued and outstanding: zero shares at september 30, 2018 and december 31, 2017.
                                                                                  
        authorized: 100,000,000 at september 30, 2018 and december 31, 2017.issued and outstanding: 59,068,586 and 58,319,348 at september 30, 2018 and december 31, 2017, respectively.
                                   59,000                                               
        authorized: 5,000,000 shares at june 30, 2018 and december 31, 2017. issued and outstanding: zero shares at june 30, 2018 and december 31, 2017.
                                                                                  
        authorized: 100,000,000 at june 30, 2018 and december 31, 2017.issued and outstanding: 58,975,395 and 58,319,348 at june 30, 2018 and december 31, 2017, respectively.
                                    59,000                                              
        authorized: 5,000,000 shares at march 31, 2018 and december 31, 2017. issued and outstanding: zero shares at march 31, 2018 and december 31, 2017.
                                                                                  
        authorized: 100,000,000 at march 31, 2018 and december 31, 2017.issued and outstanding: 58,723,242 and 58,319,348 at march 31, 2018 and december 31, 2017, respectively.
                                     59,000                                             
        authorized: 5,000,000 shares at december 31, 2017 and 2016. issued and outstanding: zero shares at december 31, 2017 and 2016
                                                                                  
        authorized: 100,000,000 shares at december 31, 2017 and 2016. issued and outstanding: 58,319,348 and 57,457,967 shares at december 31, 2017 and 2016, respectively
                                      58,000                                            
        authorized: 5,000,000 shares at september 30, 2017 and december 31, 2016. issued and outstanding: zero shares at september 30, 2017 and december 31, 2016.
                                                                                  
        authorized: 100,000,000 shares at september 30, 2017 and december 31, 2016. issued and outstanding: 58,156,128 and 57,457,967 shares at september 30, 2017 and december 31, 2016, respectively.
                                       58,000                                           
        authorized: 5,000,000 shares at june 30, 2017 and december 31, 2016. issued and outstanding: zero shares at june 30, 2017 and december 31, 2016.
                                                                                  
        authorized: 100,000,000 shares at june 30, 2017 and december 31, 2016. issued and outstanding: 58,044,088 and 57,457,967 shares at june 30, 2017 and december 31, 2016, respectively.
                                        58,000                                          
        authorized: 5,000,000 shares at march 31, 2017 and december 31, 2016. issued and outstanding: zero shares at march 31, 2017 and december 31, 2016.
                                                                                  
        authorized: 100,000,000 shares at march 31, 2017 and december 31, 2016. issued and outstanding: 57,912,745 and 57,457,967 shares at march 31, 2017 and december 31, 2016, respectively.
                                         58,000                                         
        current assets from discontinued operations
                                                                                  
        long-term assets from discontinued operations
                                                                                  
        current portion of capital lease obligations
                                          269,000 1,061,000 2,315,000 4,447,000 5,519,000 6,020,000 6,235,000 5,996,000 3,380,000 3,990,000 2,872,000 2,752,000 2,637,000 2,593,000                           
        current liabilities from discontinued operations
                                                                                  
        capital lease obligations
                                              269,000 1,061,000 2,315,000 3,965,000 2,263,000 3,095,000 3,893,000 4,657,000 5,390,000 6,092,000                           
        authorized: 5,000,000 shares at december 31, 2016 and 2015. issued and outstanding: zero shares at december 31, 2016 and 2015
                                                                                  
        authorized: 100,000,000 shares at december 31, 2016 and 2015. issued and outstanding: 57,457,967 and 56,954,830 shares at december 31, 2016 and 2015, respectively
                                          57,000                                        
        current assets of discontinued operations
                                                                                  
        long-term assets of discontinued operations
                                                                                  
        current liabilities of discontinued operations
                                                                                  
        authorized: 5,000,000 shares at september 30, 2016 and december 31, 2015. issued and outstanding: zero shares at september 30, 2016 and december 31, 2015.
                                                                                  
        authorized: 100,000,000 shares at september 30, 2016 and december 31, 2015. issued and outstanding: 57,418,432 and 56,954,830 shares at september 30, 2016 and december 31, 2015, respectively.
                                           57,000                                       
        authorized: 5,000,000 shares at june 30, 2016 and december 31, 2015. issued and outstanding: zero shares at june 30, 2016 and december 31, 2015.
                                                                                  
        authorized: 100,000,000 shares at june 30, 2016 and december 31, 2015. issued and outstanding: 57,240,894 and 56,954,830 shares at june 30, 2016 and december 31, 2015, respectively.
                                            57,000                                      
        authorized: 5,000,000 shares at march 31, 2016 and december 31, 2015. issued and outstanding: zero shares at march 31, 2016 and december 31, 2015.
                                                                                  
        authorized: 100,000,000 shares at march 31, 2016 and december 31, 2015. issued and outstanding: 57,112,482 and 56,954,830 shares at march 31, 2016 and december 31, 2015, respectively.
                                             57,000                                     
        intangible assets
                                              2,721,000 13,039,000 12,301,000 13,155,000 14,064,000 14,973,000 15,882,000 16,927,000 18,040,000 19,154,000 20,267,000 21,568,000 22,963,000 24,358,000 25,753,000 27,332,000 29,002,000 30,673,000 32,400,000                  
        authorized: 5,000,000 shares at december 31, 2015 and 2014. issued and outstanding: zero shares at december 31, 2015 and 2014.
                                                                                  
        authorized: 100,000,000 shares at december 31, 2015 and 2014. issued and outstanding: 56,954,830 and 56,299,022 shares at december 31, 2015 and 2014, respectively.
                                              57,000                                    
        authorized: 5,000,000 shares at september 30, 2015 and december 31, 2014. issued and outstanding: zero shares at september 30, 2015 and december 31, 2014.
                                                                                  
        authorized: 100,000,000 shares at september 30, 2015 and december 31, 2014. issued and outstanding: 56,914,557 and 56,299,022 shares at september 30, 2015 and december 31, 2014, respectively.
                                               57,000                                   
        authorized: 5,000,000 shares at june 30, 2015 and december 31, 2014. issued and outstanding: zero shares at june 30, 2015 and december 31, 2014.
                                                                                  
        authorized: 100,000,000 shares at june 30, 2015 and december 31, 2014. issued and outstanding: 56,876,012 and 56,299,022 shares at june 30, 2015 and december 31, 2014, respectively.
                                                57,000                                  
        authorized: 5,000,000 shares at march 31, 2015 and december 31, 2014. issued and outstanding: zero shares at march 31, 2015 and december 31, 2014.
                                                                                  
        authorized: 100,000,000 shares at march 31, 2015 and december 31, 2014. issued and outstanding: 56,704,347 and 56,299,022 shares at march 31, 2015 and december 31, 2014, respectively.
                                                 57,000                                 
        authorized: 5,000,000 shares at december 31, 2014 and 2013.
                                                                                  
        issued and outstanding: zero shares at december 31, 2014 and 2013.
                                                                                  
        authorized: 100,000,000 shares at december 31, 2014 and 2013.
                                                                                  
        issued and outstanding: 56,299,022 and 54,870,424 shares at december 31, 2014 and 2013, respectively.
                                                  56,000                                
        authorized: 5,000,000 shares at september 30, 2014 and december 31, 2013. issued and outstanding: zero shares at september 30, 2014 and december 31, 2013.
                                                                                  
        authorized: 100,000,000 shares at september 30, 2014 and december 31, 2013. issued and outstanding: 56,040,361 and 54,870,424 shares at september 30, 2014 and december 31, 2013, respectively.
                                                   56,000                               
        redeemable convertible debt
                                                    4,961,000                              
        authorized: 5,000,000 shares at june 30, 2014 and december 31, 2013. issued and outstanding: zero shares at june 30, 2014 and december 31, 2013.
                                                                                  
        authorized: 100,000,000 shares at june 30, 2014 and december 31, 2013. issued and outstanding: 55,495,352 and 54,870,424 shares at june 30, 2014 and december 31, 2013, respectively.
                                                    55,000                              
        total liabilities, redeemable convertible debt and stockholders’ equity
                                                    325,328,000                              
        authorized: 5,000,000 shares at march 31, 2014 and december 31, 2013. issued and outstanding: zero shares at march 31, 2014 and december 31, 2013.
                                                                                  
        authorized: 100,000,000 shares at march 31, 2014 and december 31, 2013. issued and outstanding: 55,261,626 and 54,870,424 shares at march 31, 2014 and december 31, 2013, respectively.
                                                     55,000                             
        authorized: 5,000,000 shares at december 31, 2013 and 2012.
                                                                                  
        issued and outstanding: zero shares at december 31, 2013 and 2012.
                                                                                  
        authorized: 100,000,000 shares at december 31, 2013 and 2012.
                                                                                  
        issued and outstanding: 54,870,424 and 48,359,063 shares at december 31, 2013 and 2012, respectively.
                                                      55,000                            
        authorized: 5,000,000 shares at september 30, 2013 and december 31, 2012 issued and outstanding: zero shares at september 30, 2013 and december 31, 2012
                                                                                  
        authorized: 100,000,000 shares at september 30, 2013 and december 31, 2012 issued and outstanding: 54,521,310 and 48,359,063 shares at september 30, 2013 and december 31, 2012, respectively
                                                       55,000                           
        current portion of capital lease obligation
                                                        1,236,000                          
        capital lease obligation
                                                        3,048,000                          
        authorized: 5,000,000 shares at june 30, 2013 and december 31, 2012 issued and outstanding: zero shares at june 30, 2013 and december 31, 2012
                                                                                  
        authorized: 100,000,000 shares at june 30, 2013 and december 31, 2012 issued and outstanding: 54,329,612 and 48,359,063 shares at june 30, 2013 and december 31, 2012, respectively
                                                        54,000                          
        accrued expenses
                                                         18,022,000 19,026,000 17,816,000 13,535,000 12,916,000 13,064,000 12,762,000 12,276,000 8,742,000 9,808,000 11,462,000 9,814,000 10,128,000 9,973,000 9,623,000 8,153,000 11,327,000 7,300,000 7,587,000 7,869,000 6,538,000 4,464,000 3,772,000 2,854,000 4,325,000 
        other current liabilities
                                                         20,000 25,000 38,000 921,000 926,000 931,000 1,202,000 1,241,000                  
        authorized: 5,000,000 shares at march 31, 2013 and december 31, 2012 issued and outstanding: zero shares at march 31, 2013 and december 31, 2012
                                                                                  
        authorized: 100,000,000 shares at march 31, 2013 and december 31, 2012 issued and outstanding: 53,301,450 and 48,359,063 shares at march 31, 2013 and december 31, 2012, respectively
                                                         53,000                         
        authorized: 5,000,000 shares at december 31, 2012 and 2011.
                                                                                  
        issued and outstanding: zero shares at december 31, 2012 and 2011.
                                                                                  
        authorized: 100,000,000 shares at december 31, 2012 and 2011.
                                                                                  
        issued and outstanding: 48,359,063 and 47,504,131 shares at december 31, 2012 and 2011.
                                                          48,000                        
        authorized: 5,000,000 shares at september 30, 2012 and december 31, 2011. issued and outstanding: zero shares at september 30, 2012 and december 31, 2011
                                                                                  
        authorized: 100,000,000 shares at september 30, 2012 and december 31, 2011. issued and outstanding: 48,114,876 and 47,504,131 shares at september 30, 2012 and december 31, 2011, respectively
                                                           48,000                       
        authorized: 5,000,000 shares at june 30, 2012 and december 31, 2011. issued and outstanding: zero shares at june 30, 2012 and december 31, 2011
                                                                                  
        authorized: 100,000,000 shares at june 30, 2012 and december 31, 2011. issued and outstanding: 47,915,851 and 47,504,131 shares at june 30, 2012 and december 31, 2011, respectively
                                                            48,000                      
        authorized: 5,000,000 shares at march 31, 2012 and december 31, 2011. issued and outstanding: zero shares at march 31, 2012 and december 31, 2011
                                                                                  
        authorized: 100,000,000 shares at march 31, 2012 and december 31, 2011. issued and outstanding: 47,712,076 and 47,504,131 shares at march 31, 2012 and december 31, 2011, respectively
                                                             48,000                     
        authorized: 5,000,000 shares at december 31, 2011 and 2010 issued: zero shares at december 31, 2011 and 2010
                                                                                  
        authorized: 100,000,000 shares at december 31, 2011 and 2010 issued: 47,504,131 and 45,440,839 shares at december 31, 2011 and 2010, respectively
                                                              48,000                    
        authorized: 5,000,000 shares at september 30, 2011 and december 31, 2010. issued and outstanding: zero shares at september 30, 2011 and december 31, 2010, respectively
                                                                                  
        authorized: 100,000,000 shares at september 30, 2011 and december 31, 2010. issued and outstanding: 47,386,448 and 45,440,839 shares at september 30, 2011 and december 31, 2010, respectively
                                                               47,000                   
        authorized: 5,000,000 shares at june 30, 2011 and december 31, 2010. issued and outstanding: zero shares at june 30, 2011 and december 31, 2010, respectively
                                                                                  
        authorized: 100,000,000 shares at june 30, 2011 and december 31, 2010. issued and outstanding: 47,254,163 and 45,440,839 shares at june 30, 2011 and december 31, 2010, respectively
                                                                47,000                  
        authorized: 5,000,000 shares at march 31, 2011 and december 31, 2010. issued and outstanding: zero shares at march 31, 2011 and december 31, 2010
                                                                                  
        authorized: 100,000,000 shares at march 31, 2011 and december 31, 2010. issued and outstanding: 45,829,569 and 45,440,839 shares at march 31, 2011 and december 31, 2010, respectively
                                                                 46,000                 
        authorized: 5,000,000 shares at december 31, 2010 and 2009.
                                                                                  
        issued: zero shares at december 31, 2010 and 2009
                                                                                  
        authorized: 100,000,000 shares at december 31, 2010 and 2009.
                                                                                  
        issued: 45,440,839 and 37,755,254 shares at december 31, 2010 and 2009, respectively
                                                                  45,000                
        authorized: 5,000,000 shares at september 30, 2010 and december 31, 2009. issued and outstanding: zero shares at september 30, 2010 and december 31, 2009, respectively
                                                                                  
        authorized: 100,000,000 shares at september 30, 2010 and december 31, 2009. issued and outstanding: 40,171,434 and 37,755,254 shares at september 30, 2010 and december 31, 2009, respectively
                                                                   41,000               
        authorized: 5,000,000 shares at june 30, 2010 and december 31, 2009. issued and outstanding: zero shares at june 30, 2010 and december 31, 2009, respectively
                                                                                  
        authorized: 100,000,000 shares at june 30, 2010 and december 31, 2009. issued and outstanding: 40,121,272 and 37,755,254 shares at june 30, 2010 and december 31, 2009, respectively
                                                                    41,000              
        liabilities and stockholders' equity
                                                                                  
        stockholders' equity
                                                                                  
        authorized: 5,000,000 shares at march 31, 2010 and december 31, 2009. issued and outstanding: zero shares at march 31, 2010 and december 31, 2009
                                                                                  
        authorized: 100,000,000 shares at march 31, 2010 and december 31, 2009. issued and outstanding: 37,939,752 and 37,755,254 shares at march 31, 2010 and december 31, 2009, respectively
                                                                     39,000             
        total stockholders' equity
                                                                     40,924,000             
        total liabilities and stockholders' equity
                                                                     159,037,000             
        authorized: 5,000,000 shares at december 31, 2009 and 2008.
                                                                                  
        issued: zero shares at december 31, 2009 and 2008
                                                                                  
        authorized: 100,000,000 shares at december 31, 2009 and 2008
                                                                                  
        issued: 37,755,254 and 27,778,921 shares at december 31, 2009 and 2008, respectively
                                                                      39,000            
        authorized: 5,000,000 shares at september 30, 2009 and december 31, 2008.
                                                                                  
        issued and outstanding: zero shares at september 30, 2009 and december 31, 2008, respectively
                                                                                  
        authorized: 100,000,000 shares at september 30, 2009 and december 31, 2008
                                                                                  
        issued and outstanding: 30,789,239 and 27,778,921 shares at september 30, 2009 and december 31, 2008, respectively
                                                                       32,000           
        authorized: 5,000,000 shares at june 30, 2009 and december 31, 2008. issued and outstanding: zero shares at june 30, 2009 and december 31, 2008, respectively
                                                                                  
        authorized: 100,000,000 shares at june 30, 2009 and december 31, 2008
                                                                                  
        issued and outstanding: 27,909,516 and 27,778,921 shares at june 30, 2009 and december 31, 2008, respectively
                                                                        29,000          
        authorized: 5,000,000 shares at march 31, 2009 and december 31, 2008.
                                                                                  
        issued and outstanding: zero shares at march 31, 2009 and december 31, 2008
                                                                                  
        authorized: 100,000,000 shares at march 31, 2009 and december 31, 2008.
                                                                                  
        issued and outstanding: 27,839,115 and 27,778,921 shares at march 31, 2009 and december 31, 2008, respectively
                                                                         29,000         
        authorized: 5,000,000 shares at december 31, 2008 and 2007
                                                                                  
        issued: zero shares at december 31, 2008 and 2007
                                                                                  
        authorized: 100,000,000 shares at december 31, 2008 and 2007
                                                                                  
        issued: 27,778,921 and 27,223,820 shares at december 31, 2008 and 2007, respectively
                                                                          29,000        
        subscription receivable
                                                                              -9,000    
        authorized: 5,000,000 shares at september 30, 2008 and december 31, 2007. issued and outstanding: zero shares at september 30, 2008 and december 31, 2007
                                                                                  
        authorized: 100,000,000 shares at september 30, 2008 and december 31, 2007. issued and outstanding: 27,748,162 and 27,223,820 shares at september 30, 2008 and december 31, 2007, respectively
                                                                           29,000       
        authorized: 5,000,000 shares at june 30, 2008 and december 31, 2007. issued and outstanding: zero shares at june 30, 2008 and december 31, 2007, respectively
                                                                                  
        authorized: 100,000,000 shares at june 30, 2008 and december 31, 2007 issued and outstanding: 27,704,110 and 27,223,820 shares at june 30, 2008 and december 31, 2007, respectively
                                                                            28,000      
        preferred stock warrant liability
                                                                                 2,015,000 
        authorized: 5,000,000 shares at march 31, 2008 and december 31, 2007.
                                                                                  
        issued and outstanding: zero shares at march 31, 2008 and december 31, 2007
                                                                                  
        authorized: 100,000,000 shares at march 31, 2008 and december 31, 2007
                                                                                  
        issued and outstanding: 27,535,871 and 27,223,820 shares at march 31, 2008 and december 31, 2007, respectively
                                                                             28,000     
        currents assets
                                                                                  
        cash
                                                                              94,588,000 104,213,000 119,818,000 19,076,000 
        liabilities, redeemable convertible preferred stock and stockholders’ equity
                                                                                  
        currents liabilities
                                                                                  
        redeemable convertible preferred stock
                                                                                  
        authorized: zero and 46,408,050 shares at december 31, 2007 and 2006, respectively
                                                                                  
        issued and outstanding series a: zero and 1,000,000 shares stated at liquidation and redemption value at december 31, 2007 and 2006, respectively
                                                                                  
        issued and outstanding series b: zero and 5,945,946 shares stated at liquidation and redemption value at december 31, 2007 and 2006, respectively
                                                                                  
        issued and outstanding series c: zero and 10,476,191 shares stated at liquidation and redemption value at december 31, 2007 and 2006, respectively
                                                                                  
        issued and outstanding series d: zero and 14,669,421 shares stated at liquidation and redemption value at december 31, 2007 and 2006, respectively
                                                                                  
        issued and outstanding series e: zero and 13,738,661 shares stated at liquidation and redemption value at december 31, 2007 and 2006, respectively
                                                                                  
        preferred stock, .001 par value: authorized 5,000,000 and zero shares at december 31, 2007 and 2006, respectively. issued and outstanding zero shares at december 31, 2007 and 2006, respectively
                                                                                  
        authorized: 100,000,000 and 65,000,000 shares authorized at december 31, 2007 and 2006, respectively
                                                                                  
        issued: 27,223,820 and 457,076 shares at december 31, 2007 and 2006, respectively
                                                                              28,000    
        authorized: zero and 46,408,050 shares at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series a: zero and 1,000,000 shares stated at liquidation and redemption value at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series b: zero and 5,945,946 shares stated at liquidation and redemption value at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series c: zero and 10,476,191 shares stated at liquidation and redemption value at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series d: zero and 14,669,421 shares stated at liquidation and redemption value at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series e: zero and 13,738,661 shares stated at liquidation and redemption value at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        preferred stock, .001 par value: authorized 5,000,000 and zero shares at september 30, 2007 and december 31, 2006, respectively. issued and outstanding zero shares at september 30, 2007 and december 31, 2006.
                                                                                  
        authorized: 100,000,000 and 65,000,000 shares authorized at september 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued: 26,427,641 and 457,076 shares at september 30, 2007 and december 31, 2006, respectively
                                                                               27,000   
        authorized: zero and 46,408,050 shares at june 30, 2007 and december 31, 2006
                                                                                  
        issued and outstanding series a: zero and 1,000,000 shares stated at liquidation and redemption value at june 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series b: zero and 5,945,946 shares stated at liquidation and redemption value at june 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series c: zero and 10,476,191 shares stated at liquidation and redemption value at june 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series d: zero and 14,669,421 shares stated at liquidation and redemption value at june 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued and outstanding series e: zero and 13,738,661 shares stated at liquidation and redemption value at june 30, 2007 and december 31, 2006, respectively
                                                                                  
        preferred stock, .001 par value: authorized 5,000,000 and zero shares at june 30, 2007 and december 31, 2006, respectively. issued and outstanding zero shares at june 30, 2007 and december 31, 2006
                                                                                  
        authorized: 100,000,000 and 65,000,000 shares authorized at june 30, 2007 and december 31, 2006, respectively
                                                                                  
        issued: 26,312,811 and 457,076 shares at june 30, 2007 and december 31, 2006, respectively
                                                                                27,000  
        liabilities, redeemable convertible preferred stock and stockholders’ deficit
                                                                                  
        authorized: 46,408,050 shares at march 31, 2007 and december 31, 2006
                                                                                  
        issued and outstanding series a: 1,000,000 shares stated at liquidation and redemption value at march 31, 2007 and december 31, 2006
                                                                                 1,000,000 
        issued and outstanding series b: 5,945,946 shares stated at liquidation and redemption value at march 31, 2007 and december 31, 2006
                                                                                 11,000,000 
        issued and outstanding series c: 10,476,191 shares stated at liquidation and redemption value at march 31, 2007 and december 31, 2006
                                                                                 22,000,000 
        issued and outstanding series d: 14,669,421 shares stated at liquidation and redemption value at march 31, 2007 and december 31, 2006
                                                                                 35,500,000 
        issued and outstanding series e: 13,738,661 shares stated at liquidation and redemption value at march 31, 2007 and december 31, 2006
                                                                                 50,009,000 
        stockholders’ deficit
                                                                                  
        common stock .001 par value:
                                                                                  
        authorized: 65,000,000 shares at march 31, 2007 and december 31, 2006
                                                                                  
        issued: 485,444 and 457,076 shares at march 31, 2007 and december 31, 2006, respectively
                                                                                 1,000 
        total stockholders’ deficit
                                                                                 -113,075,000 
        total liabilities and stockholders’ deficit
                                                                                 47,682,000 
      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 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
                                                                                    
          cash flows from operating activities
                                                                                    
          net income
        101,600,000 87,600,000 22,500,000 35,400,000 100,700,000 77,500,000 188,600,000 51,500,000 103,300,000 51,900,000 27,300,000 23,800,000    27,800,000 29,200,000 12,600,000   -17,100,000 11,600,000 14,400,000 -2,100,000 4,968,000 852,000 1,402,000 4,378,000                                                 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                    
          depreciation and amortization
        24,400,000 22,000,000 22,300,000 21,700,000 21,500,000 21,300,000 19,200,000 18,800,000 18,800,000 18,700,000 18,100,000 17,200,000 16,200,000 15,900,000 15,800,000 15,300,000 14,900,000 14,500,000 15,200,000 12,800,000 25,700,000 10,900,000 9,900,000 8,900,000 9,116,000 7,758,000 5,891,000 5,135,000 4,392,000 4,123,000 3,609,000 3,522,000 3,321,000 3,826,000 3,384,000 3,323,000 3,359,000 3,629,000 3,423,000 3,422,000 4,432,000 4,292,000 3,681,000 3,433,000 3,055,000 3,068,000 3,030,000 3,070,000 2,947,000 3,096,000 2,859,000 2,904,000 2,938,000 2,594,000 2,654,000 2,844,000 2,820,000 2,836,000                   
          stock-based compensation expense
        20,300,000 16,700,000 7,500,000 18,200,000 20,000,000 18,100,000 17,000,000 14,200,000 12,600,000 10,500,000 13,100,000 12,100,000 11,200,000 9,000,000 11,200,000 9,500,000  8,200,000 9,000,000 8,600,000     7,996,000 6,626,000 8,294,000 5,784,000 6,316,000 16,088,000 6,936,000 8,181,000 8,390,000 8,896,000 7,531,000 7,124,000 6,767,000 6,066,000 5,513,000 5,271,000 5,326,000 4,222,000 4,325,000 5,305,000 4,272,000 9,670,000 4,217,000 4,360,000 2,883,000 2,956,000 3,849,000 2,995,000 2,420,000 2,345,000 2,546,000 2,609,000 2,128,000 1,790,000 1,855,000 1,961,000                 
          deferred income taxes
        19,500,000 35,700,000   3,900,000 -1,600,000                                                                       
          non-cash interest expense
        800,000 800,000 2,100,000 2,500,000 1,900,000 1,600,000 1,800,000 2,000,000 2,100,000 1,600,000 1,500,000 1,500,000 1,500,000 1,500,000 1,300,000 1,500,000  8,400,000       11,326,000 8,902,000 7,749,000 7,623,000 7,492,000 7,363,000 7,264,000 7,163,000                    2,908,000 2,656,000 2,568,000 2,536,000 2,452,000            121,000         
          loss on extinguishment of debt
        84,400,000 39,500,000              1,500,000                            4,260,000                               
          gain on derivative asset
                                                                                   
          provisions for credit losses
        200,000                                                                            
          loss on investments
                                                                                    
          other
        2,000,000 1,000,000 -2,700,000 6,700,000 -200,000 600,000 4,400,000 100,000 100,000 -1,200,000 300,000 700,000 1,700,000 100,000 1,600,000 -600,000 1,000,000 -900,000 -1,000,000 2,100,000 500,000   800,000 -750,000 2,439,000 -263,000 -326,000  -105,000 -176,000 46,000  145,000    7,000 -7,000 139,000                                     
          changes in operating assets and liabilities:
                                                                                    
          accounts receivable
        -209,800,000 -1,600,000 -14,600,000 -27,200,000 3,600,000 -9,300,000 -14,700,000 3,500,000 -47,300,000 -25,000,000 -7,900,000 -19,200,000 15,400,000 -3,600,000 -4,800,000 -19,900,000 -35,800,000 -16,000,000 -2,200,000 -17,300,000 4,300,000 -6,100,000 800,000 -14,600,000         -6,565,000 -10,127,000 2,516,000 -12,146,000 9,557,000 -678,000 1,366,000 2,306,000 -15,079,000 -1,590,000 3,415,000 3,461,000 6,678,000 -6,213,000 -6,031,000 -4,503,000 599,000 -2,189,000 -3,781,000 857,000 -4,237,000 -5,389,000 19,000 -3,906,000 -7,419,000 2,741,000 -404,000 1,465,000 -2,197,000 -476,000 -1,196,000 -1,327,000 267,000 -1,998,000 -2,650,000 -2,591,000 -2,348,000 -2,972,000 -3,087,000 -3,012,000 -1,878,000 -1,003,000 -784,000 -821,000 
          accounts receivable — related party
        155,700,000 -17,600,000 -18,900,000 -6,200,000 900,000 -14,300,000 -13,200,000 33,100,000 -39,600,000 3,000,000 -25,300,000 7,100,000 -16,400,000 4,200,000 -16,600,000 -10,100,000                                                             
          inventories
        -5,900,000 1,900,000 -6,600,000 6,200,000 -8,300,000 -700,000 -29,600,000 11,700,000 -2,600,000 -24,500,000 -38,200,000 -14,600,000 -10,500,000 -11,000,000 -13,000,000 -46,300,000 -63,100,000 -27,100,000 -17,900,000 -27,600,000 -20,100,000 -7,600,000 4,800,000 -10,154,000 -6,041,000 -11,315,000 -2,690,000 -13,547,000 -17,320,000 -14,665,000 6,706,000 1,261,000 -1,099,000 352,000 1,175,000 -2,816,000 -8,188,000 -10,450,000 -2,649,000 -1,034,000 10,648,000 -3,370,000 -6,966,000 -3,437,000 -897,000 1,684,000 -985,000 -4,069,000 584,000 3,220,000 5,668,000 222,000 1,337,000 -1,723,000 -2,865,000 1,285,000 2,785,000 -1,421,000 -770,000                 
          prepaid expenses and other assets
        -26,200,000 -23,900,000 -18,800,000 -12,800,000 -5,100,000 -1,100,000 -15,300,000 -400,000 -17,600,000 -4,700,000 900,000 -20,700,000 -4,700,000 -8,800,000 -16,900,000 -6,400,000 -14,000,000 -2,700,000 -15,900,000 -14,100,000 -15,400,000 -2,800,000 -14,700,000 700,000 -17,017,000 -1,807,000 2,487,000 -5,563,000 -6,343,000 -435,000 -1,499,000 -3,324,000 -2,038,000 372,000 -241,000 -1,421,000 647,000 -1,063,000 -1,743,000 -462,000 -1,502,000 -590,000 248,000 384,000 -580,000 2,248,000 -102,000 -904,000 1,081,000 654,000 -152,000 -1,903,000 1,068,000 -1,241,000 4,000 -729,000                     
          accounts payable
        23,600,000 -47,000,000 36,100,000 36,500,000 -17,800,000 -36,400,000 900,000 55,500,000 -52,500,000 -33,000,000 23,000,000 51,500,000 -25,700,000 3,200,000 5,400,000 14,700,000 -21,600,000 10,400,000 -9,400,000 5,000,000                                                         
          accrued expenses and other liabilities
        78,000,000 63,500,000 68,500,000 -48,800,000 21,600,000 43,200,000 51,000,000 -62,400,000 57,600,000 35,900,000 16,200,000 -35,900,000 46,100,000 49,600,000 71,900,000 -33,700,000 29,100,000 600,000 22,700,000 -28,000,000                                                         
          accrued expenses and other liabilities — related party
        -900,000 900,000 -1,100,000 100,000 -8,700,000 3,400,000 -2,700,000 100,000 -4,200,000 800,000 500,000 -600,000 1,900,000 100,000 1,300,000 400,000                                                             
          net cash from operating activities
        183,300,000 125,700,000 196,500,000 63,800,000 147,700,000 98,500,000 96,500,000 87,600,000 45,200,000 56,000,000 44,000,000 500,000 50,700,000 56,700,000 25,300,000 -13,700,000 -25,500,000 -25,800,000 18,300,000 -35,100,000 -1,000,000 62,200,000 26,400,000 -3,600,000 46,933,000 31,190,000 13,910,000 6,367,000 30,439,000 15,855,000 -6,129,000 -4,266,000 21,800,000 23,278,000 17,964,000 -21,835,000 20,070,000 2,677,000 3,681,000 -10,517,000   785,000 -3,488,000 4,607,000 4,822,000 508,000 -1,017,000 -3,518,000 3,694,000 4,372,000 -1,200,000 -5,593,000 -3,449,000 -11,114,000 -8,903,000 -7,668,000 -836,000 -9,082,000 -7,866,000 -7,703,000 -12,864,000 -5,880,000 -9,178,000 -9,858,000 -11,002,000 -15,492,000 -12,971,000 -16,976,000 -23,423,000 -28,101,000 -14,111,000 -16,208,000 -12,765,000 -9,534,000 -11,865,000 
          cash flows from investing activities
                                                                                    
          capital expenditures
        -135,100,000 -25,600,000 -18,600,000 -12,300,000 -53,600,000 -26,700,000 -22,500,000 -22,100,000 -29,300,000 -20,100,000 -15,700,000 -10,500,000 -64,400,000 -31,100,000 -14,600,000 -12,800,000 -31,800,000 -27,300,000 -19,900,000 -32,900,000 -40,500,000 -36,800,000 -24,800,000 -26,900,000 -49,115,000 7,565,000 -45,255,000 -34,795,000 -54,563,000 -35,374,000 -29,413,000 -8,745,000 -13,389,000 -25,679,000 -2,910,000 -13,300,000 -2,745,000    -255,000 1,375,000 -2,633,000 -3,108,000 -3,588,000 -2,157,000 -2,790,000 2,915,000 -1,626,000 -1,069,000 -2,055,000 -4,687,000 -2,550,000 -1,699,000 -2,276,000 -3,278,000 -2,663,000 -2,897,000 -2,917,000 -1,646,000 -896,000 -1,090,000 -1,172,000 -1,212,000 -591,000 -165,000 -606,000 -1,617,000 -2,545,000 -5,279,000 -1,749,000 -2,830,000 -3,179,000 -2,331,000 
          free cash flows
        48,200,000 100,100,000 177,900,000 51,500,000 94,100,000 71,800,000 74,000,000 65,500,000 15,900,000 35,900,000 28,300,000 -10,000,000 -13,700,000 25,600,000 10,700,000 -26,500,000 -57,300,000 -53,100,000 -1,600,000 -68,000,000 -41,500,000 25,400,000 1,600,000 -30,500,000 -2,182,000 38,755,000 13,910,000 -38,888,000 -4,356,000 15,855,000 -60,692,000 -39,640,000 -7,613,000 14,533,000 4,575,000 -47,514,000 17,160,000 -10,623,000 936,000    530,000 -2,113,000 1,974,000 1,714,000 -3,080,000 -3,174,000 -6,308,000 6,609,000 2,746,000 -2,269,000 -7,648,000 -8,136,000 -13,664,000 -10,602,000 -9,944,000 -4,114,000 -11,745,000 -10,763,000 -10,620,000 -14,510,000 -6,776,000 -10,268,000 -11,030,000 -12,214,000 -16,083,000 -13,136,000 -17,582,000 -25,040,000 -30,646,000 -19,390,000 -17,957,000 -15,595,000 -12,713,000 -14,196,000 
          investments in developed software
        -5,700,000 -5,500,000 -4,600,000 -3,400,000 -2,400,000 -2,400,000 -2,400,000 -1,900,000 -2,300,000 -2,300,000 -2,400,000 -1,500,000                                                                 
          acquisition of other intangible assets
                                                                                    
          cash paid for investments
            -12,000,000    -200,000 -5,000,000 -2,000,000                                                               
          net cash from investing activities
        -152,800,000 -31,000,000 -23,200,000 -15,700,000 -68,000,000 -29,300,000 -24,900,000 -24,000,000 -31,600,000 -22,600,000 -23,100,000 -42,100,000 -88,400,000 -33,900,000 -21,900,000 -46,900,000 -36,400,000 -12,200,000 -11,400,000 -22,700,000 -51,300,000 -15,300,000 67,200,000 13,400,000 -53,996,000 12,189,000 -39,413,000 7,620,000 -40,785,000 -26,616,000 -61,115,000 -55,988,000 -149,312,000 2,781,000 -21,980,000 -42,286,000 -97,183,000 -45,039,000 -37,242,000 1,454,000 -3,482,000 -7,240,000 -255,000 -4,346,000 -2,633,000 -3,108,000 -3,588,000 -2,157,000 -2,790,000 -1,822,000 -1,626,000 -1,069,000 -2,055,000 -4,687,000 -2,550,000 -1,699,000 -2,276,000 -3,278,000 -40,518,000 -2,897,000 -2,917,000 -1,646,000 -896,000 -1,090,000 -1,172,000 -1,212,000 -591,000 -165,000 -606,000 -1,617,000 -2,545,000 -5,279,000 -1,749,000 -2,830,000 -3,179,000 -2,331,000 
          cash flows from financing activities
                                                                                    
          proceeds from issuance of senior unsecured notes, net of issuance costs
        440,700,000                                                                         
          proceeds from issuance of term loan b, net of issuance costs
                                                                                  
          repayment of term loan b
        -1,200,000 -1,300,000 -16,700,000 -1,300,000                                                                         
          repayment of equipment financings
        -6,000,000 -5,100,000 -3,600,000 -3,500,000 -3,500,000 -3,300,000 -5,000,000 -7,200,000 -5,000,000 -4,900,000 -5,100,000 -4,800,000 -4,400,000 -4,400,000 -4,300,000 -4,300,000 -8,200,000 -3,200,000 -3,200,000 -3,200,000                                                         
          repayment of convertible senior notes
                                                                                    
          financing lease repayments
                                                                                    
          repayment of mortgage
        -59,000,000 -700,000 -600,000 -600,000 -600,000 -600,000 -600,000 -600,000 -500,000 -600,000 -500,000 -600,000 -500,000 -500,000 -600,000 -500,000 -500,000 -500,000 -400,000 -600,000                                                         
          proceeds from secured borrowing
        500,000 13,300,000 20,700,000 15,400,000 12,900,000                                                                        
          repayment of secured borrowing
        -15,600,000 -14,200,000 -19,200,000 -13,400,000 -17,600,000                                                                        
          settlement of capped call options
        88,900,000 52,600,000 23,100,000                                                                         
          repurchase of common stock
        -29,500,000                                                                           
          proceeds from exercise of stock options
        1,800,000 4,600,000 10,100,000 2,500,000 500,000 800,000 1,100,000 5,800,000 3,900,000 100,000 6,300,000 6,000,000 2,600,000 2,400,000 800,000 1,100,000    1,500,000    6,200,000    9,061,000  2,258,000 8,245,000 2,961,000    6,335,000                                        22,000 
          proceeds from issuance of common stock under employee stock purchase plan
        7,800,000   5,900,000   5,100,000   4,500,000                                                               
          payment of withholding taxes in connection with vesting of restricted stock units
        -800,000 -2,200,000 -1,700,000 -21,200,000 -600,000 -900,000 -1,100,000 -5,000,000 -100,000 -200,000 -1,500,000 -11,400,000 -100,000 -200,000 -1,200,000 -15,300,000 -600,000 -300,000 -1,200,000 -26,100,000 -2,900,000 -100,000 -1,600,000 -25,200,000    -7,512,000 -3,935,000 -1,155,000 -875,000 -11,816,000 -238,000 -388,000 -289,000 -3,139,000 -27,000 -229,000 -970,000 -1,640,000 -178,000 -41,000 -993,000 -1,434,000 -92,000 -2,683,000 -2,008,000 -3,882,000 -700,000 -134,000 -1,111,000 -1,320,000 -287,000 -65,000 -207,000 -980,000                     
          net cash from financing activities
        -72,500,000 -457,000,000 -343,600,000 277,800,000 -20,900,000 7,800,000 -900,000 -14,100,000 2,200,000 -6,900,000 3,200,000 -12,100,000 -14,500,000 -3,900,000 -1,600,000 -20,300,000 -1,500,000   -28,400,000 130,100,000 10,500,000 483,900,000 -19,000,000 -202,445,000 258,198,000 16,198,000 1,549,000 -1,584,000 1,091,000 698,000 -8,870,000 297,897,000 2,456,000 1,267,000 2,927,000 -991,000 182,150,000 -2,408,000 -2,184,000 -663,000 -956,000 -1,001,000 2,249,000 2,847,000 -30,887,000 33,011,000 -939,000 2,130,000 1,089,000 133,000 93,041,000 1,498,000 1,435,000 802,000 -347,000 87,000 1,180,000 51,858,000 1,977,000 19,976,000 357,000 6,509,000 610,000 66,332,000 32,546,000 281,000 24,637,000 111,000 66,000 56,719,000 -2,163,000 8,332,000 -10,000 113,455,000 41,000 
          effect of exchange rate changes on cash and cash equivalents
        700,000 -1,900,000 8,900,000 3,800,000  4,600,000 -900,000 -2,500,000                                                                     
          net increase in cash, cash equivalents, and restricted cash
                                                                                    
          cash, cash equivalents, and restricted cash, beginning of year
                                                                                    
          cash and cash equivalents, end of year
                                                                                    
          supplemental cash flow information
                                                                                    
          unrealized loss on investments
                                                                                    
          repayment of convertible debt
         -510,700,000 -377,600,000 -163,900,000             -100,000       -209,992,000                                                    
          net increase in cash and cash equivalents
                                            -78,228,000        4,821,000 -29,173,000 29,931,000 -4,113,000 -4,178,000 2,961,000 2,879,000 90,772,000         9,356,000   -9,658,000 55,302,000 20,332,000 -15,802,000 11,501,000 -17,471,000    -9,625,000 -15,605,000 100,742,000 -14,155,000 
          cash and cash equivalents at beginning of period
         953,400,000                                                                         
          cash and cash equivalents at end of period
         -364,200,000 -161,500,000 1,283,100,000                                                                         
          supplemental noncash information:
                                                                                    
          purchases of property and equipment included in accounts payable and accrued expenses
         -1,400,000 1,000,000 3,500,000      2,200,000 500,000 5,100,000  1,100,000 -2,900,000 7,800,000  -2,400,000 1,500,000 4,100,000  200,000 -3,900,000 8,400,000  7,565,000                                                   
          purchases of property, plant and equipment included in long-term debt
         1,100,000 2,400,000      5,900,000                                                                   
          additions to right-of-use assets resulting from new operating lease liabilities
                                                                                    
          provision for credit losses
          300,000 4,800,000  -600,000 1,200,000 200,000 100,000 800,000 1,200,000 1,100,000 1,200,000 1,100,000 800,000 300,000 700,000 200,000 1,900,000 200,000 500,000 2,000,000 600,000                                                     
          financing lease payments
                                                                                    
          net increase in cash, cash equivalents and restricted cash
          -161,500,000 329,700,000  81,600,000 69,800,000 47,000,000          2,000,000    59,000,000 577,700,000 -12,300,000  300,015,000 -9,387,000 15,348,000                                                 
          benefit from credit losses
                                                                                    
          unrealized gain on investments
                                                                                    
          acquisition of a business
                -3,000,000                                                                 
          proceeds from issuance of term loan, net of issuance costs
                                                                                   
          repayment of term loan
            -1,200,000 -133,500,000 -1,200,000 -1,300,000 -1,200,000 -1,300,000 -1,200,000 -1,300,000 -1,300,000 -1,200,000 -1,200,000 -1,300,000                                                             
          effect of exchange rate changes on cash
                3,000,000   -100,000 4,800,000 -5,600,000 -2,900,000 -600,000 -1,600,000 -2,200,000 -1,400,000 -300,000 6,100,000 1,600,000 200,000 -3,100,000 3,332,000 -1,562,000 -82,000 -188,000 -727,000 -13,000 -354,000 -307,000 -41,000 230,000 199,000 58,000 -124,000 -47,000 -5,000 210,000 -55,000                                    
          cash, cash equivalents, and restricted cash, end of year
                                                                                    
          acquisition of intangible assets
                 -25,100,000 -11,100,000 -2,800,000 -4,500,000 -3,100,000 -5,100,000 -1,900,000 -3,300,000 -500,000 -29,200,000 -7,800,000 -500,000 -810,000 -1,425,000                                                   
          repayment of financing lease
             -100,000 -100,000 -5,800,000                                                                     
          cash, cash equivalents and restricted cash at beginning of period
             704,200,000  689,700,000  806,400,000  922,000,000  213,700,000                                                    
          cash, cash equivalents and restricted cash at end of period
             81,600,000 69,800,000 751,200,000  25,300,000 24,200,000 635,900,000  13,300,000 -1,100,000 724,900,000  2,000,000 33,900,000 835,500,000  59,000,000 577,700,000 201,400,000  300,015,000                                                   
          loss on extinguishment of convertible debt
                                                                                    
          receipts from the maturity or sale of marketable securities
                                                                                    
          proceeds from equipment financings
                                                                                    
          payment of debt issuance costs
                                                                                  
          prepayments of financing lease obligation
                                                                                    
          net decrease in cash, cash equivalents and restricted cash
                 25,300,000 24,200,000 -53,800,000  13,300,000 -1,100,000 -81,500,000    -86,500,000          -9,683,000                                               
          purchases of developed software included in accounts payable and accrued expenses
                 300,000 -400,000 800,000                                                                 
          operating lease liabilities arising from obtaining right-of-use assets
                                                                                    
          finance lease liability arising from obtaining right-of-use assets
                                                                                    
          lease liabilities arising from obtaining right-of-use assets
                  4,900,000 100,000  100,000 10,400,000 1,600,000 200,000   500,000                                                         
          cash paid for marketable securities
                                                                                    
          proceeds from mortgage, net of issuance costs
                                                                                    
          proceeds from issuance of common stock
                                                   4,876,000         1,785,000 1,500,000                       
          net loss
                     -5,200,000                1,659,000 -1,691,000 -6,569,000 -6,860,000 -2,227,000 -7,767,000 -9,977,000 -9,119,000 -3,081,000 -4,198,000 -12,481,000 -27,327,000 -18,927,000 -15,432,000 -11,834,000 -5,400,000 -10,845,000 -29,111,000 -6,144,000 -2,500,000 -21,290,000 -10,519,000 -10,665,000 -10,194,000 -12,417,000 -14,476,000 -14,780,000 -14,339,000 -13,562,000 -19,421,000 -9,848,000 -20,858,000 -12,100,000 -14,346,000 -13,855,000 -14,932,000 -24,725,000 -20,239,000 -19,645,000 -28,283,000 -20,752,000 -23,882,000 -19,874,000 -15,668,000 -13,639,000 -12,672,000 -11,560,000 
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                    
          acquisition
                     -26,000,000                                                             
          proceeds from issuance of convertible debt, net of issuance costs
                                                                                    
          proceeds from equipment financing
                                                                                    
          purchases of intangible assets included in accounts payable and accrued expenses
                     -1,600,000 -400,000 2,800,000 -4,100,000 3,800,000 2,100,000 1,400,000                                                         
          cash paid for investment
                       -5,000,000                                                             
          non-cash interest
                           11,800,000 11,600,000 11,300,000 11,200,000 11,100,000               2,008,000 1,984,000                                     
          stock-based compensation
                            15,600,000 6,600,000 5,800,000 7,900,000                                                     
          proceeds from the maturity or sale of investments
                                                                                    
          purchases of investments
                            100,000 -38,000,000 -86,696,000 -24,839,000 -36,909,000 -2,156,000 -45,849,000 -27,635,000 -57,060,000 -60,880,000 -182,909,000 -21,673,000                                           
          proceeds from equipment financings, net of issuance costs
                                                                                    
          purchase of capped call options
                                -40,000                                                    
          cash paid for interest, net of amount capitalized
                                                                                    
          cash paid for taxes
                                                                                    
          purchases of property, plant and equipment included in accounts payable and accrued expenses
                                                                                    
          receipts from the maturity or sale of investments
                         17,000,000 11,800,000 10,700,000 18,400,000 29,300,000 91,900,000 78,800,000 82,625,000 61,089,000 49,155,000 55,031,000 39,859,000 38,641,000 50,508,000 40,266,000 63,010,000 33,199,000                                           
          proceeds from issuance of debt
                                                                                   
          repayment of debt
                                                                                   
          proceeds from issuance of common stock, net of issuance costs
                                                                                  
          proceeds from exercise of stock options and issuance of common stock under employee stock purchase plan
                         4,400,000   6,900,000 10,600,000   7,955,000 17,255,000                                                   
          proceeds from mortgage, net of issuance cost
                                                                                    
          proceeds from issuance of convertible debt, net of issuance cost
                                                                                    
          accounts payable, accrued expenses and other current liabilities
                             50,000,000 6,500,000 -20,400,000 38,750,000 1,199,000 1,507,000 -5,256,000 18,249,000 20,811,000 3,077,000 -20,950,000 16,811,000 17,910,000 6,818,000 -14,226,000 1,271,000 465,000 7,679,000 -8,776,000 6,204,000 6,785,000 5,056,000 -59,000 -3,336,000 -500,000 3,444,000 917,000 -6,297,000 13,417,000                           
          other liabilities
                             -1,100,000 -1,300,000  4,030,000                                                   
          proceeds from issuance of convertible notes, net of issuance costs
                                            -179,000                                        
          supplemental cash flow information:
                                                                                    
          provision for bad debts
                                1,856,000 675,000 1,162,000 807,000 794,000 1,002,000 889,000 697,000 420,000 780,000 427,000 295,000 181,000 815,000 419,000 655,000 -1,578,000 1,582,000 852,000 328,000 585,000 865,000 913,000 891,000 799,000 1,374,000 1,241,000 1,327,000 1,088,000 835,000 587,000 899,000 1,465,000 894,000 439,000 367,000 798,000 834,000 602,000 1,083,000 2,200,000 1,150,000 432,000 1,238,000 2,252,000 890,000 550,000 572,000 438,000 293,000 269,000 120,000 
          accounts and unbilled receivable
                                                                                    
          deferred revenue
                                1,153,000 657,000 179,000 11,000 -1,026,000 -135,000 -461,000 -2,165,000 524,000 493,000 131,000 -87,000 133,000 38,000 -138,000 -882,000 106,000 169,000 221,000 313,000 720,000 -421,000 643,000 -288,000 333,000 -333,000 -761,000 -3,784,000 4,307,000 -10,000 -1,483,000 49,000 389,000 -1,532,000 1,883,000 -2,405,000             639,000 -52,000 84,000 395,000 
          other long-term liabilities
                                   -740,000 2,683,000 168,000 -395,000 627,000 534,000 191,000 366,000 111,000 44,000 -9,000 -191,000 956,000 814,000 223,000 -117,000 264,000 194,000 1,059,000 -463,000 41,000 -624,000 321,000 60,000 319,000 -203,000 2,000 28,000 -12,000                     
          principal payments of capital lease obligations
                                        -269,000 -791,000 -1,255,000 -2,132,000 -1,340,000 -1,293,000 -1,469,000 -1,621,000 -1,193,000 -1,684,000 -912,000 -644,000 -618,000                             
          cash and cash equivalents, beginning of year
                                                                                  
          loss on extinguishment of long-term debt
                                                                                   
          accounts receivable and unbilled receivable
                                 -551,000 -2,610,000 -2,796,000  -17,364,000 -9,017,000 1,800,000                                             
          payments for taxes related to net share settlement of equity awards
                                 -291,000                                                   
          additions to rou assets resulting from new operating lease liabilities
                                                                                    
          adjustments to reconcile net income to net cash from operating activities
                                                                                    
          purchases of property, equipment
                                                                                    
          non-cash investing and financing activities:
                                                                                    
          purchases of property, equipment and intangible assets
                                   -45,255,000 -34,795,000                                                
          cash, cash equivalents and restricted cash, beginning of period
                                   113,906,000                                                
          cash, cash equivalents and restricted cash, end of period
                                   129,254,000  -9,683,000                                               
          impairments and other
                                                                                    
          proceeds from divestiture of business
                                            1,100,000 4,614,000                                     
          repayment of convertible notes
                                      -6,672,000 -15,000                                            
          cash, cash equivalents and restricted cash, beginning of year
                                                                                    
          cash, cash equivalents and restricted cash, end of year
                                                                                    
          supplemental disclosure of cash flow information
                                                                                    
          non-cash investing and financing activities
                                                                                    
          allocation to equity for conversion feature for issuance of 1.375% convertible notes
                                                                                    
          allocation to equity for conversion feature for issuance of 1.25% convertible notes
                                                                                    
          allocation to equity for conversion feature for the repurchase of 2% convertible notes
                                                                                    
          adjustments to reconcile net loss to net cash from operating activities
                                                                                    
          purchases of property, equipment and software
                                      -54,563,000 -35,374,000 -29,413,000 -8,745,000 -13,389,000 -25,679,000                                         
          net decrease in cash and cash equivalents
                                       -69,431,000   -2,550,000 -61,136,000   -35,974,000 -11,037,000    -5,585,000         -6,150,000 -6,701,000 -12,862,000 -10,949,000  -2,934,000 2,258,000 -8,786,000           26,073,000 -21,553,000     
          cash, cash equivalents, beginning of period
                                       272,577,000                                             
          cash, cash equivalents, end of period
                                       203,146,000                                             
          acquisition of business
                                                                                    
          cash paid for interest
                                                                2,889,000   3,729,000 696,000 2,981,000 681,000 2,746,000 1,195,000   2,272,000 1,038,000 708,000 786,000 896,000   
          purchases of property and equipment under capital lease
                                                5,721,000    4,737,000                           
          non-cash interest and other expense
                                         4,118,000 4,073,000 3,994,000     1,957,000 1,932,000 1,906,000 1,883,000 1,856,000 2,528,000 3,341,000 2,528,000 1,330,000 2,593,000                           
          proceeds from exercise of stock options and issuance of common stock
                                         2,844,000                                           
          cash and cash equivalents, beginning of period
                                         137,174,000 122,672,000 151,193,000  149,727,000  57,293,000  93,955,000  113,274,000  127,996,000  56,663,000  94,588,000    33,231,000 
          cash and cash equivalents, end of period
                                         28,745,000 -2,550,000 76,038,000 -78,228,000 139,741,000 -35,974,000 111,635,000 -22,795,000 330,000 -471,000 145,608,000  -29,173,000 29,931,000 145,614,000  2,961,000 2,879,000 148,065,000  -6,701,000 -12,862,000 83,006,000  -2,934,000 2,258,000 104,488,000  -14,153,000 -267,000 118,338,000  20,332,000 -15,802,000 68,164,000 -17,471,000 -24,974,000 26,073,000 73,035,000 -9,625,000 -15,605,000 100,742,000 19,076,000 
          purchases of short-term investments
                                           -41,347,000 -101,413,000 -40,644,000                                       
          receipts from the maturity or sale of short-term investments
                                           24,740,000                                         
          impairment and other charges
                                                                                   
          purchases of property and equipment
                                            -2,910,000 -13,300,000 -2,745,000 -3,160,000 -3,482,000 -2,525,000 -255,000 -4,346,000 -2,633,000 -3,108,000 -3,588,000 -2,157,000 -2,790,000 -1,822,000 -1,626,000 -1,069,000 -2,055,000 -4,687,000 -2,550,000 -1,699,000 -2,276,000 -3,278,000 -2,663,000 -2,897,000 -2,917,000 -1,646,000 -896,000 -1,090,000 -1,172,000 -1,212,000 -591,000 -165,000 -606,000 -1,617,000 -2,545,000 -5,279,000 -1,749,000 -2,830,000 -3,179,000 -2,331,000 
          acquisition of canadian distribution business
                                                                                   
          proceeds from issuance of common stock, net of offering costs
                                            6,000 3,358,000 694,000 796,000 808,000 554,000   4,709,000 1,538,000 1,778,000 3,561,000                             
          allocation to equity for conversion feature for issuance of 2% convertible notes
                                                                                    
          common stock issued in exchange for 3.75% convertible notes
                                                                                    
          receipts from the sale of short-term investments
                                                                                    
          allocation to equity for conversion feature for issuance of convertible notes
                                                                                    
          allocation to equity for conversion feature for the repurchase of convertible notes
                                                                                    
          proceeds from issuance of long-term debt, net of issuance costs
                                                    -86,000 6,000           -80,000 -74,000                   
          repayment of long-term debt
                                                    -28,836,000                               
          allocation to equity for conversion feature for the 2% notes
                                                                                  
          common stock issued in exchange for 3.75% convertible senior notes
                                                                                    
          net cash provided operating activities
                                                                                    
          net (decrease) in cash and cash equivalents
                                                                                    
          non-cash financing activities
                                                                                    
          common stock issued in exchange for senior convertible notes
                                                                                    
          common stock issued in exchange for 5.375% convertible senior notes
                                                                                  
          deferred tax provision
                                                                                    
          acquisition of neighborhood diabetes
                                                                                  
          principal payment of long-term debt
                                                                                    
          issuance of common stock for the acquisition of neighborhood diabetes
                                                                                  
          payments for capital lease obligations
                                                                                    
          net proceeds from issuance of common stock
                                                         1,559,000 3,244,000 94,361,000                         
          accounts payable, accrued expenses, and other liabilities
                                                           -1,826,000 -5,658,000 5,927,000 -1,806,000 4,536,000 2,845,000 -318,000                   
          restructuring and impairment of assets
                                                                                    
          proceeds from issuance of long-term debt
                                                                                    
          payment of transaction fees related to the credit facility amendment
                                                                                    
          payments to retire long-term debt
                                                                                   
          proceeds from exercise of warrants
                                                                                    
          proceeds from issuance of common stock, net of offering expenses
                                                               633,000 167,000 1,254,000 1,116,000 1,977,000  357,000 6,977,000 610,000  27,544,000 281,000 124,000 159,000 149,000 550,000 555,000 11,049,000 -10,000   
          amortization of debt discount
                                                                2,220,000 2,142,000 1,425,000 1,424,000 7,754,000 1,887,000 2,386,000 1,238,000 1,077,000 7,823,000 1,633,000 1,039,000 538,000 58,000 60,000 60,000 59,000 60,000 
          principal payments of long term debt
                                                                               -2,727,000     
          allocation of fair value of warrants from net proceeds from issuance of facility agreement
                                                                        6,065,000         
          non cash interest expense
                                                                 146,000 2,114,000 121,000 1,125,000 214,000 308,000 132,000 130,000 1,438,000   178,000 172,000   -57,000 
          impairment of assets
                                                                                    
          prepaid expenses and other current assets
                                                                 1,285,000 496,000 -930,000                 
          other long term liabilities
                                                                 -43,000 -189,000 -127,000 -109,000 -229,000 -7,000 -35,000 -1,000 -216,000 -237,000 172,000 126,000 113,000 102,000 2,115,000 103,000 94,000 917,000 1,000 
          payment of transaction fees related to credit facility amendment
                                                                                    
          depreciation
                                                                   1,163,000 1,131,000 1,250,000 1,258,000 1,438,000 1,221,000 1,370,000 1,325,000 1,306,000 1,710,000 1,781,000 1,526,000 1,358,000  1,333,000 1,173,000 846,000 
          accounts payable and accrued expenses
                                                                   -287,000 -1,912,000 -2,325,000 5,535,000 -2,437,000 1,273,000 1,071,000 -3,572,000 2,715,000 281,000 -301,000 -84,000 4,929,000 1,089,000 -420,000 -673,000 1,369,000 
          unissued restricted stock units
                                                                   -538,000                 
          stock based compensation expense
                                                                                    
          other assets
                                                                    -1,000        -8,000 -41,000 50,000 69,000 68,000 1,129,000 -1,675,000 
          net proceeds from issuance of debt
                                                                                    
          proceeds from payment of subscription receivable
                                                                            9,000    19,000 
          stock compensation expense
                                                                     1,272,000 1,374,000 1,311,000 1,017,000 954,000 1,030,000 1,201,000 750,000 960,000 984,000 674,000 581,000 432,000 298,000 209,000 
          non cash impairment charges
                                                                                    
          inventory
                                                                       3,486,000 -1,852,000 1,234,000 4,738,000 1,723,000 -403,000 -3,131,000 -5,830,000 484,000 -3,418,000 -443,000 127,000 -866,000 
          prepaids and other current assets
                                                                       -769,000 -767,000 536,000 1,284,000 -357,000 493,000 -773,000 95,000 -1,452,000 372,000 -515,000 549,000 30,000 
          deferred revenue, short term
                                                                     -992,000    361,000    590,000 344,000 -13,000     
          net proceeds from facility agreement
                                                                                    
          repayment of long term loan
                                                                                    
          proceeds from issuance of facility agreement, net of financing expenses
                                                                         32,502,000 24,513,000         
          deferred revenue, short-term
                                                                       557,000    107,000         
          redeemable convertible preferred stock warrant expense
                                                                                -10,000 84,000 
          redemption of long term loan
                                                                                   
          conversion of preferred stock to common stock upon initial public offering
                                                                                  
          principal payments of long term loan
                                                                                   
          proceeds from convertible note offering, net of financing expenses
                                                                                    
          principal payments of long-term loan
                                                                                    
          decrease in restricted cash
                                                                                    
          proceeds from sale of series e preferred stock, net of issuance cost
                                                                                    
          accretion of redeemable convertible preferred stock
                                                                                    
          loss on impairment and disposal of assets
                                                                                    
          net proceeds from convertible note offering
                                                                             -83,000       
          adjustments to reconcile net loss to net cash from operating activities depreciation
                                                                                    
          principal payments under capital lease
                                                                                    
          gain/ loss on disposal of assets
                                                                                    
          loss on impairment of assets