7Baggers

Vonage Holdings Corp
(NASDAQ:VG) 

VG stock logo

Vonage Holdings Corp. primarily operates as a business-to-business cloud communications company in the United States, Canada, the United Kingdom, the European Union, and Asia. It operates in two segments, Vonage Communications Platform and Consumer. The Vonage Communications Platform segment offers ...

Founded: 1998
Full Time Employees: 2,198 (May 2021)
Sector: Communication Services
Industry: Telecom Services

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Quarterly
Annual
    Unit: USD2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 
                                                                   
      revenues:
                                                                   
      service, access and product revenues
    344,852,000 350,167,000 341,544,000 332,559,000 314,793,000 306,773,000 298,991,000 296,516,000 283,077,000                                                       
      usf revenues
    13,976,000 16,138,000 16,797,000 18,910,000 18,107,000 16,522,000 17,658,000 14,017,000 14,380,000                                                       
      total revenues
    358,828,000 366,305,000 358,341,000 351,469,000 332,900,000 323,295,000 316,649,000 310,533,000 297,457,000 309,687,000 302,534,000 297,584,000 279,541,000 273,803,000 261,531,000 259,875,000 253,573,000 254,020,000 253,083,000 251,836,000 243,347,000 246,763,000 248,359,000 233,675,000 226,824,000 230,124,000 223,360,000 221,858,000 219,730,000                                   
      yoy
    7.79% 13.30% 13.17% 13.18% 11.92% 4.39% 4.67% 4.35% 6.41% 13.11% 15.68% 14.51% 10.24% 7.79% 3.34% 3.19% 4.20% 2.94% 1.90% 7.77% 7.28% 7.23% 11.19% 5.33% 3.23%                                       
      qoq
    -2.04% 2.22% 1.96% 5.58% 2.97% 2.10% 1.97% 4.40% -3.95% 2.36% 1.66% 6.45% 2.10% 4.69% 0.64% 2.49% -0.18% 0.37% 0.50% 3.49% -1.38% -0.64% 6.28% 3.02% -1.43% 3.03% 0.68% 0.97%                                    
      operating expenses:
                                                                   
      service, access and product cost of revenues
    168,409,000 174,923,000 161,067,000 149,887,000 138,680,000 133,694,000 124,243,000 119,971,000 113,038,000                                                       
      usf cost of revenues
    13,976,000 16,138,000 16,797,000 18,910,000 18,107,000 16,522,000 17,658,000 14,017,000 14,380,000                                                       
      sales and marketing
    78,878,000 80,702,000 86,826,000 86,215,000 81,474,000 80,100,000 85,505,000 90,827,000 85,621,000 88,598,000 83,628,000 95,362,000 95,523,000 82,232,000 74,380,000 77,685,000 77,136,000 78,006,000 73,576,000 79,738,000 81,931,000 84,293,000 83,731,000 83,344,000 79,601,000 89,919,000 88,028,000 84,385,000 85,564,000                                   
      engineering and development
    20,760,000 19,961,000 17,636,000 22,710,000 20,360,000 22,387,000 20,110,000 19,784,000 19,203,000 19,142,000 16,901,000 16,891,000 16,526,000 16,635,000 14,309,000 10,375,000 10,820,000 7,634,000 6,956,000 6,670,000 8,370,000 7,607,000 8,075,000 7,243,000 6,834,000 6,921,000 6,830,000 6,864,000 6,605,000                                   
      general and administrative
    70,456,000 70,164,000 44,063,000 43,301,000 44,933,000 41,569,000 56,835,000 42,820,000 40,882,000 39,292,000 41,306,000 36,615,000 35,459,000 37,948,000 37,620,000 32,174,000 27,582,000 24,126,000 26,811,000 36,514,000 35,086,000 34,043,000 27,538,000 35,053,000 26,670,000 29,897,000 28,860,000 27,162,000 23,234,000                                   
      depreciation and amortization
    25,195,000 23,572,000 22,507,000 22,284,000 20,417,000 24,853,000 22,887,000 20,692,000 20,485,000 23,061,000 21,319,000 20,662,000 21,214,000 19,094,000 16,024,000 19,062,000 16,800,000 18,003,000 18,179,000 18,394,000 17,947,000 19,070,000 18,018,000 18,218,000 16,979,000 17,979,000 15,446,000 14,463,000 13,945,000 14,264,000 12,346,000 12,459,000 12,338,000 11,427,000 8,459,000 8,205,000 7,975,000 8,052,000 8,110,000 8,518,000 8,644,000 8,638,000 8,683,000 8,664,000 11,066,000 12,727,000 12,649,000 13,929,000 13,768,000 13,766,000 12,881,000 13,848,000 12,896,000 13,942,000 13,347,000 11,114,000 10,209,000 8,563,000 8,191,000 7,859,000 7,032,000 5,946,000 5,740,000 
      total operating expenses
    377,674,000 385,460,000 348,896,000 343,307,000 323,971,000 319,125,000 327,238,000 308,111,000 293,609,000 305,712,000 296,987,000 297,751,000 282,133,000 267,782,000 246,684,000 246,500,000 235,905,000 231,035,000 228,460,000 245,177,000                                            
      income from operations
    -18,846,000 -19,155,000 9,445,000 8,162,000 8,929,000 4,170,000 -10,589,000 2,422,000 3,848,000 3,975,000 5,547,000 -167,000 -2,592,000 6,021,000 14,847,000 13,375,000 17,668,000 22,985,000 24,623,000 6,659,000 5,124,000 5,214,000 15,029,000 5,387,000 18,524,000 8,298,000 8,797,000 16,558,000 19,339,000 13,832,000 11,637,000 12,016,000 10,322,000 6,636,000 9,223,000 14,016,000 22,474,000 24,015,000 22,748,000 -2,686,000 20,533,000 27,897,000 27,388,000 31,181,000 29,884,000 25,904,000 19,838,000 24,298,000 25,014,000 18,779,000 18,273,000 15,050,000 5,100,000 2,814,000 -2,860,000 -1,940,000 -4,453,000 -160,512,000 -33,027,000 -73,075,000    
      yoy
    -311.07% -559.35% -189.20% 236.99% 132.04% 4.91% -290.90% -1550.30% -248.46% -33.98% -62.64% -101.25% -114.67% -73.80% -39.70% 100.86% 244.81% 340.83% 63.84% 23.61% -72.34% -37.17% 70.84% -67.47% -4.21% -40.01% -24.40% 37.80% 87.36% 108.44% 26.17% -14.27% -54.07% -72.37% -59.46% -621.82% 9.45% -13.92% -16.94% -108.61% -31.29% 7.69% 38.06% 28.33% 19.47% 37.94% 8.56% 61.45% 390.47% 567.34% -738.92% -875.77% -214.53% -101.75% -91.34% -97.35%        
      qoq
    -1.61% -302.81% 15.72% -8.59% 114.12% -139.38% -537.20% -37.06% -3.19% -28.34% -3421.56% -93.56% -143.05% -59.45% 11.01% -24.30% -23.13% -6.65% 269.77% 29.96% -1.73% -65.31% 178.99% -70.92% 123.23% -5.67% -46.87% -14.38% 39.81% 18.86% -3.15% 16.41% 55.55% -28.05% -34.20% -37.63% -6.42% 5.57% -946.91% -113.08% -26.40% 1.86% -12.16% 4.34% 15.36% 30.58% -18.36% -2.86% 33.20% 2.77% 21.42% 195.10% 81.24% -198.39% 47.42% -56.43% -97.23% 386.00% -54.80%     
      operating margin %
    -5.25% -5.23% 2.64% 2.32% 2.68% 1.29% -3.34% 0.78% 1.29% 1.28% 1.83% -0.06% -0.93% 2.20% 5.68% 5.15% 6.97% 9.05% 9.73% 2.64% 2.11% 2.11% 6.05% 2.31% 8.17% 3.61% 3.94% 7.46% 8.80% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% NaN% NaN% NaN% 
      other income:
                                                                   
      interest expense
    -3,653,000 -6,924,000 -7,045,000 -7,081,000 -7,298,000 -7,384,000 -7,373,000 -9,321,000 -8,082,000 -8,304,000 -8,454,000 -8,487,000 -7,576,000 -5,774,000 -3,036,000 -3,097,000 -3,161,000 -3,483,000 -3,821,000 -3,861,000 -3,703,000 -2,369,250 -3,974,000 -3,057,000 -2,446,000 -1,561,250 -2,222,000 -2,088,000 -1,935,000 -1,297,750 -1,680,000 -1,434,000 -2,077,000 -1,174,500 -1,509,000 -1,732,000 -1,457,000 -1,179,750 -1,402,000 -1,566,000 -1,751,000 -3,779,000 -2,926,000 -5,588,000 -6,602,000 -11,338,000 -11,569,000 -12,423,000 -13,211,000 -13,281,000 -13,690,000 -13,679,000 -13,542,000 -13,268,000 -5,504,000 -5,535,000 -5,571,000 -5,424,000 -5,127,000 -5,149,000    
      other income
    511,000 1,119,000 -100,000 -288,000 174,000 160,000 -37,000 -38,000 229,000 455,000 58,000 -147,000 -416,000 -749,000 347,000 337,000 -253,000 322,000 465,000 686,000 -220,000 -59,250 -495,000 104,000 154,000 -148,750 -50,000 32,000 -577,000 -10,000 -2,000 36,000 -13,000 -17,750 -15,000 -17,000 -39,000 1,250 28,000 -65,000 42,000 -1,250 -47,000 44,000 -2,000 -59,000 -19,000                 
      total other expense
    -3,142,000 -5,409,500 -7,145,000 -7,369,000 -7,124,000 -6,155,500 -7,410,000 -9,359,000 -7,853,000                                                       
      income before income tax
    -21,988,000 1,224,500 2,300,000                                                             
      income tax benefit
    4,866,000 2,809,000 -4,332,000  -2,181,000 -10,911,000 7,937,000 -1,493,000 250,000 1,499,000 -18,248,000 13,325,000 10,050,000 1,411,000 -2,570,000 -2,056,000 10,270,000   1,337,000 4,707,000               -4,894,000    947,000     -666,000    136,000 -124,500 -29,000 -301,000 -168,000 18,000 -43,000  -173,000 -94,000 -183,000 -194,000    
      net income
    -17,122,000 -22,151,000 -2,032,000 62,000 -376,000 -13,965,000 -10,062,000 -8,430,000 -3,755,000 -2,375,000 -21,097,000 4,524,000 -534,000 -6,943,000 9,588,000 8,559,000 24,524,000 -55,273,000 10,602,000 4,825,000 5,913,000 1,000 9,078,000 897,000 7,931,000 3,406,000 3,433,000 8,347,000 7,410,000 5,494,000 4,365,000 5,383,000 4,205,000 3,322,000 3,985,000 7,447,000 13,047,000 12,833,000 13,213,000 -3,340,000 13,921,000 350,146,000 16,037,000 21,748,000 21,113,000 -41,689,000 -55,382,000 -562,000 13,968,000 4,401,000 -54,555,000 2,285,000 5,271,000 -40,916,000 -7,817,000 -6,882,000 -8,961,000 -161,828,000 -33,626,000 -72,334,000 -117,093,000 -62,184,000 -74,136,000 
      yoy
    4453.72% 58.62% -79.81% -100.74% -89.99% 488.00% -52.31% -286.34% 603.18% -65.79% -320.04% -47.14% -102.18% -87.44% -9.56% 77.39% 314.75% -5527400.00% 16.79% 437.90% -25.44% -99.97% 164.43% -89.25% 7.03% -38.01% -21.35% 55.06% 76.22% 65.38% 9.54% -27.72% -67.77% -74.11% -69.84% -322.96% -6.28% -96.33% -17.61% -115.36% -34.06% -939.90% -128.96% -3969.75% 51.15% -1047.26% 1.52% -124.60% 165.00% -110.76% 597.90% -133.20% -158.82% -74.72% -76.75% -90.49% -92.35% 160.24% -54.64%     
      qoq
    -22.70% 990.11% -3377.42% -116.49% -97.31% 38.79% 19.36% 124.50% 58.11% -88.74% -566.34% -947.19% -92.31% -172.41% 12.02% -65.10% -144.37% -621.35% 119.73% -18.40% 591200.00% -99.99% 912.04% -88.69% 132.85% -0.79% -58.87% 12.65% 34.87% 25.86% -18.91% 28.01% 26.58% -16.64% -46.49% -42.92% 1.67% -2.88% -495.60% -123.99% -96.02% 2083.36% -26.26% 3.01% -150.64% -24.72% 9754.45% -104.02% 217.38% -108.07% -2487.53% -56.65% -112.88% 423.42% 13.59% -23.20% -94.46% 381.26% -53.51% -38.23% 88.30% -16.12%  
      net income margin %
    -4.77% -6.05% -0.57% 0.02% -0.11% -4.32% -3.18% -2.71% -1.26% -0.77% -6.97% 1.52% -0.19% -2.54% 3.67% 3.29% 9.67% -21.76% 4.19% 1.92% 2.43% 0.00% 3.66% 0.38% 3.50% 1.48% 1.54% 3.76% 3.37% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% 
      loss per common share:
                                                                   
      basic and diluted
    -70 -90 -10   -22.5 -40  -20                                                       
      weighted-average common shares outstanding:
                                                                   
      basic and diluted
    254,666,000 251,500,000 252,101,000  249,638,000  246,697,000  243,627,000                                     209,868,000    170,314,000    156,258,000 156,299,000 156,103,000 156,034,000 155,784,000 155,506,000 155,151,000 94,207,000 154,775,000 63,995,000 
      income before income tax benefit
       793,000 1,805,000                                   -4,287,000     21,779,000    13,832,000 -11,625,250 -54,526,000 2,586,000 5,439,000 -5,741,000 -7,774,000  -8,788,000 -161,734,000 -33,443,000 -72,140,000    
      income tax expense
       -731,000              -75,102,000 -10,668,000   -2,846,250 -1,501,000 -1,562,000 -8,322,000 -4,072,500 -3,116,000 -6,176,000 -6,998,000 -3,752,750 -5,627,000 -5,266,000 -4,118,000 -4,168,250 -3,811,000  -7,968,000 -3,041,750 -8,191,000  -4,923,000 -447,500 -426,000 -698,000  -22,000 -91,000 -341,000        -480,000        
      income per common share:
                                                                   
      basic
                                                                   
      diluted
                                                                   
      weighted-average common shares outstanding:
                                                                   
      basic
       251,430,000  246,082,000  245,385,000  242,018,000 242,336,000 242,475,000 240,527,000 237,499,000 239,303,000 237,919,000 233,034,000 225,311,000 227,943,000 223,492,000 220,371,000 215,751,000 217,000,000 213,558,000 214,039,000 213,147,000 213,291,000 213,582,000 211,844,000 209,822,000 208,580,000 211,390,000 212,195,000 211,563,000 209,589,000 212,169,000 214,639,000 224,264,000 225,555,000 226,429,000 225,732,000 224,324,000 225,281,000 224,233,000 222,162,000  212,086,000 211,305,000 201,324,000  167,666,000 156,928,000 156,718,000           
      diluted
       259,962,000  246,082,000  245,385,000  242,018,000 242,336,000 249,720,000 240,527,000 248,892,000 249,516,000 248,256,000 248,481,000 225,311,000 242,720,000 239,938,000 239,486,000 231,941,000 234,868,000 222,700,000 224,225,000 224,110,000 225,182,000 222,188,000 220,589,000 219,419,000 217,176,000 221,002,000 225,187,000 220,520,000 217,059,000 219,837,000 223,202,000 232,633,000 233,708,000 226,429,000 236,036,000 241,744,000 241,189,000 244,590,000 240,340,000  212,086,000 211,305,000 221,947,000  167,666,000 156,928,000 218,787,000           
      loss before income tax benefit
         -7,235,250 -17,999,000 -6,937,000 -4,005,000                                                       
      earnings per common share:
                                                                   
      basic
           -30  -10 -90 20  -30 40 40 110 25 50 20                                            
      diluted
           -30  -10 -90 20  -30 40 30 100 22.5 40 20                                            
      cost of revenues
             135,619,000 133,833,000 128,221,000 113,411,000 111,873,000 104,351,000 107,204,000 103,567,000                                               
      total other income
             -7,849,000 -8,396,000 -8,634,000 -7,992,000 -6,523,000 -2,689,000 -2,760,000 -3,414,000 -3,156,000 -3,353,000 -3,171,000                                            
      income before income taxes benefit
             -5,558,500 -2,849,000 -8,801,000 -10,584,000                                                   
      income before income taxes
                 -502,000 12,158,000 10,615,000 14,254,000 6,491,000 21,270,000 3,488,000                                            
      cost of service
                     70,475,500 96,632,000 97,674,000 87,596,000 58,151,250 87,377,000 76,078,000 69,150,000 48,313,750 67,193,000 64,209,000 61,853,000                                   
      cost of goods sold
                     6,208,000 6,306,000 6,187,000 7,293,000 7,768,000 8,591,000 8,352,000 9,066,000 8,597,000 8,206,000 8,217,000 9,190,000                                   
      interest income
                     5,000 3,000 4,000 5,000 14,000 19,000 25,000 21,000 24,000 24,000 21,000 20,000 53,000 37,000 31,000 91,000 99,000 97,000 74,000 37,000 29,000 30,000 30,000 20,000 23,000 33,000 37,000 42,000 139,000 154,000 173,000 53,000 49,000 58,000 60,000 110,000 271,000 544,000 1,021,000 1,400,000 4,238,000 4,761,000 6,067,000 7,030,000 7,721,000 3,980,000 
      operating expenses: - sum
                        238,223,000 241,549,000 233,330,000 228,288,000 208,300,000             148,702,000 184,836,000                         
      other income: - sum
                        -3,918,000 -2,412,250 -4,450,000 -2,928,000 -2,271,000             -1,158,500 -1,344,000                         
      income before income tax expense
                        1,206,000         12,243,000 9,992,000 10,649,000 8,323,000 10,288,000 7,796,000 12,341,000 21,015,000 8,990,250 21,404,000  18,844,000 15,172,000 16,463,000 22,446,000  -41,667,000 -55,291,000 -221,000        -6,402,000        
      net income per common share:
                                                                   
      basic
                        30  40  40 20 20 40 50       40 60 50 60 -10 60 1,560 70 100 100 -50 -260  70 -72.5 -330 10 30           
      diluted
                        20  40  40 10 20 40 40       30 60 60 60 -10 60 1,450 70 90 90 -50 -260  60 -72.5 -330 10 30           
      income from continuing operations before income tax expense
                         1,554,000 10,579,000 2,459,000 16,253,000 5,534,000 6,549,000 14,523,000 16,847,000                                   
      income from continuing operations
                         1,000 9,078,000 897,000 7,931,000 3,406,000 3,433,000 8,347,000 9,849,000                                   
      loss from discontinued operations
                                                                   
      loss on disposal, net of taxes
                             -206,000   -824,000                                   
      discontinued operations
                             -609,750   -2,439,000                                   
      plus: net loss from discontinued operations attributable to noncontrolling interest
                                                                   
      net income attributable to vonage
                         1,000 9,078,000 897,000 7,931,000 3,406,000 3,433,000 8,347,000 7,469,000 5,604,000 4,556,000 5,518,000 4,588,000 3,588,000 4,207,000                             
      net income per common share - continuing operations:
                                                                   
      basic
                        30  40  40 20 20 40 50       40 60 50 60 -10 60 1,560 70 100 100 -50 -260  70 -72.5 -330 10 30           
      diluted
                        20  40  40 10 20 40 40       30 60 60 60 -10 60 1,450 70 90 90 -50 -260  60 -72.5 -330 10 30           
      net loss per common share - discontinued operations attributable to vonage:
                                                                   
      basic
                                                                   
      diluted
                                                                   
      net income attributable to vonage per common share:
                                                                   
      basic
                         20 40  40 22.5 20 40 40 30 20 30 20 10 20                             
      diluted
                         20 40  40 22.5 20 40 30 20 20 20 20 20 20                             
      income from discontinued operations
                             -403,750   -1,615,000                                   
      plus: net income from discontinued operations attributable to noncontrolling interest
                                59,000                                   
      net income per common share - discontinued operations attributable to vonage:
                                                                   
      revenues
                                 214,601,000 214,737,000 218,882,000 220,733,000 211,220,000 203,984,000 204,776,000 209,087,000 213,711,000 207,584,000 211,916,000 215,903,000                       
      direct cost of telephony services
                                 38,708,000 49,830,000 52,385,000 52,617,000 52,122,000 52,882,000 53,527,000 55,181,000 56,814,000 55,245,000 58,195,000 61,623,000 58,847,000 59,230,000 57,883,000 60,189,000 58,067,000 60,263,000 62,969,000 62,495,000   51,480,000 51,751,000 56,624,000 56,502,000 56,586,000 56,498,000 54,463,000 52,335,000 55,566,000 106,501,000 40,272,000  
      direct cost of goods sold
                                 7,098,500 9,205,000 9,450,000 9,739,000 9,956,000 9,535,000 9,217,000 8,878,000 9,568,000 10,444,000 9,275,000 9,846,000 10,125,000 10,711,000 9,865,000 11,055,000 12,051,000 13,214,000 14,053,000 16,647,000 17,070,000 17,727,000 16,179,000 20,512,000 17,942,000 20,835,000 18,533,000 22,072,000 17,057,000 11,243,000 13,333,000 12,169,000 16,934,000 16,047,000 
      selling, general and administrative
                                 49,314,000 73,414,000 73,569,000 78,453,000 73,159,000 64,752,000 61,481,000 62,910,000 62,461,000 59,676,000 58,396,000 61,835,000 58,579,000 59,451,000 58,481,000 58,243,000 58,523,000 58,908,000 60,768,000 60,787,000 62,891,000 63,187,000 71,327,000 68,051,000 68,627,000 73,035,000 77,931,000 79,392,000 217,939,000 88,202,000 90,992,000 81,790,000 72,052,000 66,109,000 
      marketing
                                 51,549,000 58,305,000 59,003,000 57,264,000 57,920,000 59,133,000 58,330,000 51,669,000 52,801,000 51,361,000 54,956,000 53,422,000 51,604,000 51,044,000 52,211,000 49,404,000 50,352,000 49,254,000 49,324,000 49,240,000 52,758,000 57,393,000 52,144,000 65,695,000 62,260,000 64,911,000 65,300,000 60,899,000 61,885,000 67,906,000 90,850,000 95,581,000 91,316,000 90,164,000 
      plus: net income attributable to noncontrolling interest
                                 110,000 191,000 135,000 383,000 266,000 222,000                             
      income from abandonment of software assets
                                           25,262,000                        
      loss from abandonment of software assets
                                         6,315,500                          
      change in fair value of stock warrant
                                                                   
      loss on extinguishment of notes
                                             -2,951,500 -7,985,000 -3,228,000    -3,985,000                
      operating revenues:
                                                                   
      telephony services
                                             215,218,000 215,824,000 217,288,000 218,230,000 214,568,000 212,135,000 221,704,000 224,527,000 218,411,000 216,085,000 214,709,000 215,643,000 213,955,000 216,092,000 218,738,000 216,980,000 203,724,000 200,470,000 189,367,000 179,025,000 154,487,000 136,636,000 
      customer equipment and shipping
                                             472,000 683,000 997,000 1,611,000 3,056,000 1,991,000 3,637,000 3,424,000 5,131,000 5,420,000 5,319,000 8,362,000 8,254,000 9,678,000 8,786,000 7,637,000 6,810,000 5,432,000 6,573,000 5,389,000 6,235,000 6,742,000 
      change in fair value of embedded features within notes payable and stock warrant
                                             -237,500   -950,000 -29,782,000 -62,150,000                 
      gain on extinguishment of notes
                                                -593,000 -26,531,000 -1,545,000  1,038,000 225,000 3,816,000             
      change in fair value of embedded conversion option and stock warrant
                                                   -8,241,000 835,000               
      other
                                                   -43,000 103,000 22,000 15,000 5,000 801,000 -181,000 46,000 52,000 -164,000 -36,000 -50,000 17,000    
      direct cost of telephony services (excluding depreciation and amortization of 4,371, 4,908, 14,000 and 14,337, respectivel
                                                     38,818,750 52,044,000             
      change in fair value of derivatives
                                                     -1,055,000 -62,998,000             
      change in fair value of embedded derivative
                                                       1,150,000 12,970,000           
      royalty
                                                             11,139,000 11,052,000 10,415,000    
      total direct cost of telephony services
                                                         56,624,000 56,502,000 56,586,000 56,498,000 65,602,000 63,387,000 65,981,000    
      net income per common share:
                                                                   
      basic and diluted
                                                         -37.5 -50 -40 -60 -1,040 -220 -470 -600 -400 -1,160 
      income taxes
                                                                   
      direct cost of telephony services (excluding depreciation and
                                                                   
      amortization of 3,133, 1,426, 5,685 and 2,380, respectively)
                                                                  38,946,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 
                                                                    
        assets
                                                                    
        current assets:
                                                                    
        cash and cash equivalents
      15,719,000 18,342,000 48,386,000 39,977,000 51,623,000 43,078,000 48,370,000 47,565,000 43,073,000 23,620,000 18,741,000 17,963,000 18,254,000 5,057,000 25,735,000 26,077,000 23,536,000 31,360,000 29,869,000 26,825,000 26,220,000 29,078,000 33,236,000 24,331,000 35,889,000 57,726,000 59,777,000 48,486,000 52,224,000 40,797,000 59,368,000 54,962,000 54,272,000 84,663,000 99,915,000 98,548,000 105,894,000 97,110,000 74,708,000 72,382,000 55,243,000 58,863,000 55,590,000 63,161,000 79,655,000 78,934,000 136,251,000 125,900,000 52,055,000 37,819,000 56,000,000 44,729,000 46,134,000 112,267,000 126,088,000 106,787,000 129,010,000 144,756,000 155,675,000 210,253,000 154,016,000 312,235,000 
        accounts receivable
      145,895,000 147,622,000 138,630,000 124,426,000 111,584,000 116,304,000 119,553,000 114,554,000 96,238,000 101,813,000 94,423,000 97,465,000 73,375,000 75,342,000 57,060,000 49,460,000 43,927,000 44,159,000 42,435,000 36,185,000 32,108,000 36,688,000 33,259,000 35,272,000 20,846,000 19,913,000 22,669,000 24,778,000 21,239,000 17,990,000 22,048,000 21,705,000 19,626,000 19,649,000 21,932,000 23,296,000 20,759,000 20,416,000 22,367,000 19,320,000 16,684,000 17,862,000 17,747,000 17,797,000 15,922,000 15,207,000 19,000,000 18,300,000 15,376,000 16,906,000 23,115,000 21,364,000 17,696,000 24,957,000 25,218,000 22,029,000 21,823,000 18,885,000 15,738,000 16,544,000 14,589,000 10,550,000 
        deferred customer acquisition costs, current portion
      23,871,000 23,961,000 22,897,000 20,631,000 19,490,000 18,161,000 16,884,000 15,868,000 14,971,000 13,834,000 12,529,000 11,789,000 10,585,000 11,755,000 10,669,000 9,640,000                                               
        prepaid expenses
      34,293,000 33,875,000 36,469,000 34,081,000 37,133,000 32,131,000 36,362,000 24,413,000 26,263,000 22,338,000 28,146,000 25,219,000 27,113,000 26,496,000 21,344,000 23,099,000 27,970,000 23,763,000 23,324,000 25,833,000                                           
        other current assets
      3,435,000 3,513,000 4,186,000 3,969,000 3,615,000 6,230,000 6,277,000 6,211,000 11,175,000 9,988,000 8,110,000 7,427,000 6,897,000 7,634,000 5,363,000 5,035,000 6,036,000 6,433,000 2,686,000 2,278,000                                           
        total current assets
      223,213,000 227,313,000 250,568,000 223,084,000 223,445,000 215,904,000 228,060,000 209,608,000 193,066,000 173,068,000 162,919,000 160,929,000 137,546,000 127,754,000 121,591,000 115,344,000 113,040,000 109,775,000 102,463,000 96,110,000 94,827,000 102,281,000 124,763,000 120,609,000 117,436,000 136,807,000 144,135,000 133,011,000 133,943,000 115,398,000 132,724,000 130,135,000 122,075,000 155,140,000 174,637,000 178,297,000 172,671,000 159,848,000 147,541,000 146,807,000 123,390,000 124,770,000 103,728,000 109,981,000 123,933,000 123,996,000 188,752,000 189,375,000 119,927,000 129,369,000 135,959,000 122,327,000 116,517,000 204,731,000 239,680,000 230,766,000 438,235,000 437,080,000 493,962,000 569,772,000 610,020,000 649,164,000 
        property and equipment
      20,155,000 24,334,000 25,742,000 28,244,000 29,848,000 31,621,000 37,449,000 40,163,000 43,144,000 48,371,000 48,330,000 47,759,000 48,776,000 49,262,000 42,754,000 43,992,000 44,296,000 46,754,000 45,760,000 44,688,000 45,722,000 48,415,000 49,791,000 52,563,000 51,881,000 49,483,000 48,063,000 44,759,000 46,350,000 49,630,000 43,771,000 44,830,000 47,921,000 52,243,000 52,657,000 56,436,000 57,615,000 60,533,000 56,353,000 60,683,000 64,556,000 67,978,000 69,970,000 72,143,000 74,131,000 79,050,000 79,315,000 82,292,000 84,979,000 86,226,000 87,086,000 93,273,000 98,292,000 103,465,000 108,755,000 114,072,000 127,856,000 134,626,000 136,811,000 131,842,000 123,523,000 124,734,000 
        operating lease right-of-use assets
      32,221,000 31,855,000 32,202,000 34,320,000 35,745,000 29,330,000 22,971,000 31,329,000 33,735,000 50,847,000 53,561,000 49,954,000 53,042,000                                                  
        goodwill
      612,214,000 615,134,000 613,774,000 622,423,000 620,585,000 624,328,000 606,958,000 593,722,000 591,022,000 602,970,000 589,923,000 599,080,000 602,301,000 598,499,000 389,490,000 369,760,000 377,735,000 373,764,000 371,535,000 366,806,000 362,424,000 360,363,000 366,509,000 362,269,000 222,128,000 222,106,000 250,702,000 167,199,000 142,439,000 191,262,000 83,627,000 83,627,000 83,627,000 83,627,000                             
        software, net of accumulated amortization of 149,946 and 140,565, respectively
      110,707,000                                                              
        deferred customer acquisition costs
      77,826,000 77,442,000 73,310,000 70,719,000 68,609,000 67,529,000 62,760,000 60,545,000 58,891,000 55,148,000 50,672,000 48,222,000 43,980,000 37,881,000 34,821,000 32,258,000 29,501,000                                              
        restricted cash
      2,172,000 1,967,000 2,461,000 2,097,000 2,213,000 1,919,000 1,999,000 2,046,000 2,039,000 2,015,000 2,054,000 1,679,000 1,872,000 2,047,000 1,984,000 1,940,000 1,835,000 1,967,000 1,827,000 1,802,000 1,799,000 1,851,000 1,836,000 1,938,000 1,860,000 2,587,000 2,588,000 2,407,000 2,401,000 3,405,000 3,407,000 3,411,000 4,407,000 4,405,000 4,401,000 4,393,000 4,392,000 5,656,000 5,653,000 5,932,000 5,933,000 6,929,000 6,930,000 6,934,000 6,934,000 7,978,000 48,480,000 2,900,000 70,773,000 40,173,000 40,133,000 39,995,000 39,585,000 2,185,000 42,192,000 41,501,000 78,146,000 66,760,000 24,978,000 8,042,000 9,355,000 8,922,000 
        intangible assets, net of accumulated amortization of 320,353 and 312,677, respectively
      149,199,000                                                              
        deferred tax assets
      121,996,000 109,087,000 104,705,000 104,752,000 106,594,000 106,374,000 115,178,000 110,040,000 106,262,000 108,347,000 103,302,000 119,410,000 113,642,000 102,560,000 114,757,000 112,478,000 111,653,000 110,892,000 192,879,000 204,286,000                                           
        other assets
      32,753,000 33,362,000 34,359,000 34,481,000 34,762,000 33,926,000 34,643,000 33,631,000 32,813,000 33,729,000 32,148,000 29,503,000 25,759,000 24,144,000 27,546,000 23,637,000 20,647,000 20,007,000 15,059,000 15,761,000 13,950,000 14,460,000 2,779,000 3,311,000 9,247,000 9,603,000 9,300,000 8,694,000 8,361,000 7,748,000 7,938,000 1,450,000 1,708,000 1,882,000 1,970,000 2,158,000 3,672,000 3,826,000 4,029,000 3,690,000 3,350,000 3,038,000 3,035,000 2,636,000 2,664,000 3,201,000 3,250,000 3,453,000 12,327,000 9,146,000 9,794,000 10,246,000 10,809,000 51,450,000 39,869,000 31,776,000 15,181,000 6,042,000 3,241,000 1,580,000 620,000 799,000 
        total assets
      1,382,456,000 1,388,144,000 1,405,229,000 1,397,628,000 1,402,741,000 1,395,836,000 1,387,914,000 1,355,889,000 1,339,629,000 1,364,700,000 1,332,434,000 1,354,503,000 1,335,719,000 1,259,488,000 909,710,000 870,402,000 887,724,000 858,681,000 934,619,000 941,396,000 934,126,000 940,422,000 955,288,000 960,718,000 750,933,000 784,566,000 795,661,000 691,155,000 677,955,000 675,302,000 592,637,000 592,645,000 596,701,000 642,749,000 534,986,000 547,030,000 548,549,000 547,389,000 537,486,000 547,638,000 560,114,000 566,215,000 232,555,000 235,907,000 251,717,000 260,392,000 362,396,000 370,986,000 334,267,000 317,751,000 333,556,000 330,237,000 336,905,000 429,636,000 466,156,000 458,365,000 665,762,000 656,574,000 706,791,000 757,524,000 788,911,000 827,138,000 
        liabilities and stockholders’ equity
                                                                    
        current liabilities:
                                                                    
        accounts payable
      57,382,000 39,662,000 44,046,000 40,857,000 31,324,000 17,464,000 34,442,000 29,383,000 32,789,000 42,366,000 47,158,000 38,249,000 43,690,000 53,262,000 26,256,000 36,999,000 31,543,000 29,766,000 33,070,000 23,045,000 39,014,000 30,751,000 27,345,000 49,700,000 46,943,000 42,798,000 37,944,000 36,751,000 30,652,000 42,564,000 43,164,000 40,684,000 35,565,000 49,867,000 39,483,000 43,554,000 52,877,000 74,028,000 50,626,000 58,107,000 53,632,000 66,214,000 48,162,000 46,907,000 34,223,000 37,128,000 35,751,000 45,438,000 16,053,000 10,498,000 23,515,000 31,646,000 33,978,000 47,775,000 72,042,000 52,749,000 58,121,000 46,306,000 54,989,000 58,899,000 57,329,000 44,994,000 
        accrued expenses
      174,649,000 186,835,000 186,000,000 158,076,000 154,706,000 158,080,000 149,476,000 145,467,000 118,907,000 137,589,000 116,488,000 120,750,000 86,057,000 87,370,000 99,232,000 79,563,000 74,123,000 85,410,000 76,163,000 84,170,000 82,713,000 109,195,000 103,990,000 79,135,000 72,427,000 96,127,000 86,564,000 73,996,000 76,805,000 84,196,000 74,255,000 76,406,000 75,953,000 81,127,000 75,669,000 73,086,000 57,968,000 55,787,000 55,614,000 59,802,000 67,476,000 69,526,000 85,893,000 75,164,000 75,115,000 89,407,000 103,362,000 96,604,000 78,410,000 77,755,000 83,144,000 76,914,000 73,482,000 82,621,000 83,417,000 91,232,000 273,698,000 150,865,000 170,772,000 161,505,000 90,858,000 93,983,000 
        deferred revenue, current portion
      53,978,000 61,420,000 56,325,000 61,721,000 60,030,000 65,506,000 62,813,000 65,171,000 61,022,000 59,464,000 61,105,000 59,704,000 53,628,000 53,447,000 27,509,000 28,440,000 28,874,000 30,255,000 31,332,000 31,157,000 31,172,000 32,442,000 31,862,000 33,070,000 31,785,000 32,605,000 34,330,000 34,616,000 34,434,000 35,570,000 35,392,000 35,666,000 36,264,000 36,899,000 35,051,000 35,397,000 34,783,000 35,803,000 36,992,000 36,892,000 37,377,000 38,778,000 40,891,000 41,576,000 41,897,000 43,397,000 46,687,000 48,748,000 51,602,000 61,019,000 63,267,000 62,712,000 63,155,000 67,844,000 69,394,000 64,709,000 51,038,000 48,293,000 44,777,000 38,504,000 34,601,000 30,274,000 
        operating lease liabilities, current portion
      10,981,000 10,393,000 10,260,000 10,286,000 10,562,000 11,554,000 11,481,000 11,396,000 11,917,000 12,477,000 13,260,000 13,136,000 13,909,000                                                  
        total current liabilities
      296,990,000 298,310,000 296,631,000 270,940,000 256,622,000 252,604,000 258,212,000 251,417,000 224,635,000 251,896,000 238,011,000 231,839,000 207,284,000 204,079,000 162,997,000 163,752,000 153,290,000 164,477,000 159,521,000 158,143,000 173,833,000 194,426,000 186,279,000 185,270,000 170,676,000 190,928,000 178,149,000 168,989,000 165,384,000 185,695,000 176,051,000 179,208,000 174,117,000 194,115,000 176,315,000 178,043,000 171,532,000 196,422,000 173,940,000 185,416,000 189,010,000 204,955,000 220,298,000 175,585,000 163,094,000 191,715,000 188,811,000 193,730,000 148,935,000 152,009,000 172,601,000 173,886,000 173,170,000 452,848,000 479,359,000 463,108,000 383,875,000 246,482,000 271,556,000 259,928,000 183,776,000 170,185,000 
        indebtedness under revolving credit facility
      130,500,000 130,500,000 150,500,000 170,500,000 210,500,000 215,500,000 240,500,000 245,500,000 265,500,000 220,500,000 235,500,000 248,000,000 466,500,000 425,000,000 114,000,000 116,000,000 146,000,000 141,000,000 182,000,000 214,000,000 224,000,000 209,000,000 229,000,000 239,000,000 109,000,000 119,000,000 149,000,000 87,000,000 87,000,000 67,000,000  55,000,000 55,000,000 75,000,000         15,000,000                    
        convertible senior notes
      340,620,000 305,609,000 301,807,000 298,060,000 294,444,000 290,784,000 287,176,000 283,619,000 280,111,000 276,658,000 273,265,000 269,924,000                                                   
        operating lease liabilities
      34,040,000 32,663,000 33,855,000 36,692,000 38,349,000 31,019,000 21,747,000 25,042,000 28,018,000 45,722,000 47,872,000 43,999,000 46,982,000                                                  
        other liabilities
      5,006,000 3,341,000 3,083,000 3,379,000 3,561,000 3,155,000 3,048,000 2,672,000 2,652,000 2,862,000 3,021,000 3,099,000 3,046,000 10,413,000 8,147,000 7,978,000 8,071,000 7,541,000 6,123,000 5,084,000                                           
        total liabilities
      807,156,000 770,423,000 785,876,000 779,571,000 803,476,000 793,062,000 810,683,000 808,250,000 800,916,000 797,638,000 797,669,000 796,861,000 805,577,000 723,720,000 371,816,000 351,290,000 375,526,000 385,783,000 425,005,000 459,226,000 488,778,000 499,125,000 514,554,000 545,642,000 358,421,000 395,825,000 417,264,000 323,957,000 326,092,000 331,805,000 261,296,000 256,917,000 258,054,000 304,713,000 218,563,000 226,894,000 226,980,000 225,974,000 212,271,000 231,539,000 242,928,000 266,648,000 287,315,000 310,860,000 353,678,000 390,039,000 473,787,000 430,545,000 396,086,000 419,681,000 442,043,000 443,909,000 427,647,000 519,634,000 551,959,000 540,597,000 728,691,000 564,311,000 588,392,000 574,323,000 495,927,000 479,588,000 
        commitments and contingencies
                                                                    
        stockholders’ equity:
                                                                    
        common stock, par value 0.001 per share...
      334,000 331,000 329,000 328,000 327,000 324,000 323,000 320,000 320,000 316,000 315,000 314,000 314,000 310,000 310,000 309,000 306,000 298,000 295,000 294,000 289,000 282,000 283,000 281,000 272,000 270,000 269,000 269,000 266,000 264,000 253,000 253,000 251,000 247,000 238,000 237,000 234,000 230,000 230,000 229,000 228,000  228,000 227,000 225,000 223,000 215,000 214,000 212,000 199,000 159,000  158,000   158,000  157,000 157,000 156,000 156,000 156,000 
        additional paid-in capital
      1,627,599,000 1,646,725,000 1,608,182,000 1,588,222,000 1,571,025,000 1,554,574,000 1,539,527,000 1,519,055,000 1,506,664,000 1,494,469,000 1,481,077,000 1,464,742,000 1,424,173,000 1,415,682,000 1,405,991,000 1,396,407,000 1,384,718,000 1,375,391,000 1,359,975,000 1,349,356,000 1,331,062,000 1,310,847,000 1,294,600,000 1,280,998,000 1,231,714,000 1,224,947,000 1,216,326,000 1,206,704,000 1,192,973,000 1,184,662,000 1,157,473,000 1,151,033,000 1,144,415,000 1,136,289,000 1,104,831,000 1,099,085,000 1,092,447,000 1,088,186,000 1,085,180,000 1,081,173,000 1,077,605,000 1,074,488,000 1,070,628,000 1,065,920,000 1,059,837,000 1,053,805,000 1,031,200,000 1,027,989,000 1,024,347,000 1,008,303,000 947,719,000 945,492,000 980,768,000 939,850,000 935,683,000 932,491,000 943,107,000 936,708,000 929,465,000 922,097,000 915,413,000 908,203,000 
        accumulated deficit
      -684,855,000 -691,718,000 -669,567,000 -667,535,000 -667,597,000 -667,221,000 -653,256,000 -643,194,000 -634,764,000 -631,009,000 -628,634,000 -607,537,000 -612,061,000 -611,985,000 -605,042,000 -614,630,000 -623,189,000 -672,561,000 -617,288,000 -627,890,000 -632,715,000  -637,114,000 -646,192,000 -647,089,000  -658,426,000 -661,859,000 -670,206,000  -683,279,000 -687,835,000 -693,353,000  -701,529,000 -705,736,000 -713,183,000  -739,063,000 -752,276,000 -748,936,000  -1,113,003,000 -1,129,040,000 -1,150,788,000 -1,171,901,000 -1,130,212,000 -1,074,830,000 -1,074,268,000 -1,092,637,000 -1,038,082,000 -1,040,367,000 -1,052,861,000 -1,011,945,000 -1,004,128,000 -997,246,000 -988,645,000 -826,817,000 -793,191,000 -720,857,000   
        treasury stock
      -383,386,000 -359,068,000 -342,497,000 -339,024,000 -337,532,000 -320,891,000 -319,911,000 -319,314,000 -318,791,000 -306,043,000 -305,381,000 -304,031,000 -293,575,000 -275,009,000 -274,336,000 -271,890,000 -270,759,000 -244,239,000 -243,594,000 -243,229,000 -242,762,000  -217,040,000 -216,647,000 -190,708,000  -177,979,000 -176,066,000 -169,321,000  -140,140,000 -126,597,000 -111,278,000  -89,120,000 -74,335,000 -59,877,000  -24,271,000 -15,119,000 -14,544,000  -14,526,000 -14,282,000 -13,332,000 -13,139,000 -13,139,000 -13,121,000 -12,906,000 -12,843,000 -12,727,000 -12,710,000 -12,704,000 -12,676,000 -12,535,000 -12,535,000 -12,428,000 -12,342,000 -12,342,000 -12,342,000   
        accumulated other comprehensive income
      15,608,000 21,451,000 22,906,000 36,066,000 33,042,000 35,988,000 10,548,000 -9,228,000 -14,716,000 9,329,000 -12,612,000 4,154,000 11,291,000 6,770,000 10,971,000 8,916,000 21,122,000 14,009,000     5,000        -2,226,000 -539,000 -948,000 519,000 1,770,000 885,000 1,948,000 2,572,000 3,139,000 2,092,000 2,833,000 2,237,000 1,913,000 2,222,000 2,097,000 1,365,000 545,000 189,000 796,000 243,000 -361,000 -1,050,000 -908,000 -190,000 231,000 132,000 153,000 99,000     
        total stockholders’ equity
      575,300,000 617,721,000 619,353,000 618,057,000 599,265,000 602,774,000 577,231,000 547,639,000 538,713,000 567,062,000 534,765,000 557,642,000 530,142,000 535,768,000 537,894,000 519,112,000 512,198,000 472,898,000 509,614,000 482,170,000 445,348,000 441,297,000 440,734,000 415,076,000 392,512,000 388,741,000 378,397,000 367,198,000 351,863,000 343,497,000 331,341,000 336,315,000 339,087,000 338,074,000 316,190,000 320,136,000 321,569,000 321,415,000 325,215,000 316,099,000 317,186,000 299,567,000        -101,930,000 -108,487,000 -113,672,000 -90,742,000 -89,998,000   -62,929,000 92,263,000 118,399,000 183,201,000 292,984,000 347,550,000 
        total liabilities and stockholders’ equity
      1,382,456,000 1,388,144,000 1,405,229,000 1,397,628,000 1,402,741,000 1,395,836,000 1,387,914,000 1,355,889,000 1,339,629,000 1,364,700,000 1,332,434,000 1,354,503,000 1,335,719,000 1,259,488,000 909,710,000 870,402,000 887,724,000 858,681,000 934,619,000 941,396,000 934,126,000 940,422,000 955,288,000 960,718,000 750,933,000 784,566,000 795,661,000 691,155,000 677,955,000 675,302,000    642,749,000  547,030,000 548,549,000 547,389,000 537,486,000 547,638,000 560,114,000 566,215,000        317,751,000 333,556,000 330,237,000 336,905,000 429,636,000   665,762,000 656,574,000 706,791,000    
        software, net of accumulated amortization of 140,565 and 111,642, respectively
       106,516,000                                                             
        intangible assets, net of accumulated amortization of 312,677 and 275,346, respectively
       161,134,000                                                             
        stockholders’ equity
                                                                    
        software, net of accumulated amortization of 131,695 and 111,642, respectively
        99,933,000                                                            
        intangible assets, net of accumulated amortization of 303,041 and 275,346, respectively
        168,175,000                                                            
        software, net of accumulated amortization of 124,190 and 111,642, respectively
         94,515,000                                                           
        intangible assets, net of accumulated amortization of 295,727 and 275,346, respectively
         182,993,000                                                           
        software, net of accumulated amortization of 116,855 and 111,642, respectively
          88,827,000                                                          
        intangible assets, net of accumulated amortization of 283,659 and 275,346, respectively
          192,113,000                                                          
        software, net of accumulated amortization of 111,642 and 102,133, respectively
           80,638,000                                                         
        intangible assets, net of accumulated amortization of 275,346 and 221,182, respectively
           204,267,000                                                         
        inventory, net of allowance of 64 and 76, respectively
            614,000                                                        
        software, net of accumulated amortization of 106,857 and 102,133, respectively
            69,389,000                                                        
        intangible assets, net of accumulated amortization of 264,820 and 221,182, respectively
            208,507,000                                                        
        inventory, net of allowance of 65 and 76, respectively
             997,000                                                       
        software, net of accumulated amortization of 102,665 and 102,133, respectively
             60,521,000                                                       
        intangible assets, net of accumulated amortization of 247,635 and 221,182, respectively
             214,284,000                                                       
        inventory, net of allowance of 73 and 76, respectively
              1,346,000                                                      
        software, net of accumulated amortization of 103,067 and 102,133, respectively
              50,678,000                                                      
        intangible assets, net of accumulated amortization of 233,079 and 221,182, respectively
              227,979,000                                                      
        inventory, net of allowance of 76 and 152, respectively
               1,475,000                                                     
        software, net of accumulated amortization of 102,133 and 100,870, respectively
               40,300,000                                                     
        intangible assets, net of accumulated amortization of 221,182 and 162,788, respectively
               249,905,000                                                     
        current portion of notes payable
                  10,000,000 10,000,000 10,000,000 18,750,000 18,750,000 18,750,000 18,750,000 18,750,000 18,750,000 18,750,000 18,750,000   15,000,000    20,000,000    23,333,000    28,333,000                         
        notes payable, net of current portion
                                 60,000,000 65,000,000 70,000,000 75,000,000 11,667,000 17,500,000 23,333,000 29,167,000 35,000,000 40,833,000 14,167,000 21,250,000 28,333,000 35,417,000                      
        inventory, net of allowance of 61 and 152, respectively
                970,000                                                    
        software, net of accumulated amortization of 99,981 and 100,870, respectively
                34,269,000                                                    
        intangible assets, net of accumulated amortization of 203,530 and 162,788, respectively
                255,256,000                                                    
        inventory, net of allowance of 101 and 152, respectively
                 1,066,000                                                   
        software, net of accumulated amortization of 100,383 and 100,870, respectively
                 26,945,000                                                   
        intangible assets, net of accumulated amortization of 191,041 and 162,788, respectively
                 271,022,000                                                   
        inventory, net of allowance of 114 and 152, respectively
                  1,322,000                                                  
        software, net of accumulated amortization of 97,189 and 100,870, respectively
                  21,001,000                                                  
        intangible assets, net of accumulated amortization of 176,941 and 162,788, respectively
                  287,800,000                                                  
        notes payable, net of debt related costs and current portion
                  81,765,000  86,672,000 63,560,000 68,165,000  77,361,000 81,953,000 86,541,000  95,702,000 100,277,000 72,749,000  80,031,000                                    
        inventory, net of allowance of 152 and 108, respectively
                   1,470,000                                                 
        software, net of accumulated amortization of 100,870 and 93,858, respectively
                   17,430,000                                                 
        intangible assets, net of accumulated amortization of 162,788 and 124,573, respectively
                   299,911,000                                                 
        notes payable, net of debt related cost and current portion
                   84,228,000    72,765,000    91,124,000    76,392,000                                     
        inventory, net of allowance of 198 and 108, respectively
                    1,420,000                                                
        software, net of accumulated amortization of 100,251 and 93,858, respectively
                    17,828,000                                                
        intangible assets, net of accumulated amortization of 151,029 and 124,573, respectively
                    158,939,000                                                
        inventory, net of allowance of 236 and 108, respectively
                     2,033,000                                               
        software, net of accumulated amortization of 98,015 and 93,858, respectively
                     18,092,000                                               
        intangible assets, net of accumulated amortization of 142,035 and 124,573, respectively
                     152,901,000                                               
        inventory, net of allowance of 158 and 108, respectively
                      2,934,000                                              
        deferred customer acquisition costs, current
                      8,637,000 1,089,000 1,466,000 1,486,000 1,660,000 2,610,000 2,092,000 3,102,000 2,929,000 4,074,000 4,112,000 4,073,000 4,312,000 4,854,000 4,324,000 4,318,000 4,580,000 4,991,000 5,977,000 6,507,000 5,065,000 5,418,000 5,444,000 4,906,000 4,656,000 4,964,000 4,988,000 4,687,000 5,227,000 6,481,000 7,896,000 10,218,000 13,407,000 18,612,000 21,490,000 23,248,000 24,002,000 25,958,000 26,859,000 26,435,000 17,060,000 16,437,000 14,766,000 13,022,000 11,053,000 9,481,000 
        software, net of accumulated amortization of 96,748 and 93,858, respectively
                      22,511,000                                              
        intangible assets, net of accumulated amortization of 134,246 and 124,573, respectively
                      166,506,000                                              
        marketable securities
                          300,000 601,000 6,559,000 8,074,000 9,600,000 9,908,000 9,537,000 9,535,000 8,332,000 7,162,000 4,622,000                        23,539,000 41,491,000 148,734,000 132,021,000 254,609,000 289,483,000 390,314,000 285,486,000 
        inventory, net of allowance of 108 and 117, respectively
                       2,971,000                                             
        software, net of accumulated amortization of 93,858 and 87,626, respectively
                       22,252,000                                             
        intangible assets, net of accumulated amortization of 124,573 and 88,419, respectively
                       173,270,000                                             
        current maturities of capital lease obligations
                       140,000 206,000 1,021,000 2,184,000 3,288,000 4,332,000 4,615,000 4,521,000 4,398,000 4,311,000 3,626,000 3,493,000 3,365,000 3,240,000 3,119,000 3,002,000 2,889,000 2,779,000 2,673,000 2,571,000 2,471,000 2,375,000 2,282,000 2,192,000 2,104,000 2,019,000 1,938,000 1,859,000 1,783,000 1,708,000 1,637,000 1,567,000 1,434,000 1,372,000 1,311,000 1,252,000 1,195,000 1,140,000 1,087,000 1,018,000 1,018,000 1,018,000 1,020,000 988,000 934,000 
        other current liabilities
                       156,000                                             
        inventory, net of allowance of 124 and 117, respectively
                        2,683,000                                            
        software, net of accumulated amortization of 94,917 and 87,626, respectively
                        23,574,000                                            
        intangible assets, net of accumulated amortization of 117,905 and 88,419, respectively
                        181,522,000                                            
        accumulated other comprehensive loss
                        10,226,000 3,639,000 -10,526,000   -3,364,000 -1,677,000  -1,793,000 -1,850,000 -1,849,000                              -136,000 -132,000   
        inventory, net of allowance of 137 and 117, respectively
                         3,503,000                                           
        software, net of accumulated amortization of 92,361 and 87,626, respectively
                         23,867,000                                           
        intangible assets, net of accumulated amortization of 107,914 and 88,419, respectively
                         188,076,000                                           
        capital lease obligations, net of current maturities
                         46,000 81,000 140,000 226,000 1,067,000 2,265,000 3,363,000 4,484,000 4,959,000 5,912,000 6,836,000 7,732,000 8,585,000 9,406,000 10,201,000 10,972,000 11,704,000 12,408,000 13,090,000 13,750,000 14,377,000 14,978,000 15,561,000 16,126,000 16,659,000 17,170,000 17,665,000 18,145,000 18,597,000 19,029,000 19,854,000 20,234,000 20,596,000 20,947,000 21,288,000 21,605,000 21,907,000 22,483,000 22,746,000 22,994,000 23,235,000 23,501,000 23,791,000 
        inventory, net of allowance of 61 and 117, respectively
                          3,644,000                                          
        prepaid expenses and other current assets
                          30,895,000 29,188,000 21,192,000 21,557,000 18,600,000 15,659,000 18,363,000 16,403,000 15,024,000 12,665,000 16,350,000 23,523,000 19,271,000 16,892,000 19,374,000 23,700,000 16,803,000 15,487,000 19,013,000 20,906,000 19,830,000 16,820,000 18,242,000 19,164,000 17,425,000 17,231,000 21,340,000 21,421,000 26,591,000 41,935,000 20,964,000 22,418,000 18,325,000 28,681,000 23,512,000 18,462,000 23,564,000 29,010,000 24,374,000 16,080,000 22,386,000 20,079,000 
        software
                          22,966,000 21,971,000 22,082,000 21,288,000 20,293,000 20,710,000 17,531,000 18,088,000 17,662,000 18,624,000 21,749,000 22,068,000 20,679,000 20,557,000 20,337,000 20,609,000 19,384,000 19,560,000 19,163,000 17,907,000 50,120,000 45,661,000 42,374,000 36,742,000 34,552,000 35,516,000 31,789,000 32,775,000 31,630,000              
        deferred customer acquisition costs, non-current
                          524,000 526,000 503,000 487,000 494,000 431,000 137,000 53,000 65,000 87,000 112,000 144,000 168,000 193,000 222,000 250,000 289,000 347,000 417,000 527,000 619,000 721,000 786,000 775,000 839,000 1,093,000 1,518,000 2,063,000 2,959,000 9,317,000 11,980,000 14,965,000 20,393,000 23,392,000 27,326,000 30,381,000 38,635,000 37,501,000 36,559,000 34,067,000 31,938,000 29,351,000 
        debt issuance costs
                          2,162,000                                          
        intangible assets
                          191,250,000 199,256,000 214,578,000 225,997,000 130,537,000 138,199,000 108,716,000 101,286,000 105,197,000 59,907,000 64,057,000 68,207,000 72,494,000 76,850,000 4,901,000 5,494,000 6,088,000 6,681,000 7,275,000 7,868,000 8,462,000 9,056,000 3,328,000 3,614,000 3,900,000 4,186,000 4,473,000 4,759,000 5,045,000 4,305,000 4,529,000 4,753,000 5,400,000 6,109,000 6,817,000 7,525,000 8,346,000 3,331,000 3,815,000 4,300,000 5,035,000 5,241,000 
        deferred tax assets, non-current
                          198,502,000 188,966,000 169,943,000 169,582,000 195,148,000 202,587,000 212,293,000 213,971,000 219,624,000 227,090,000 232,849,000 238,004,000 242,598,000 246,539,000 274,223,000 277,395,000 282,045,000 290,166,000 296,028,000 302,906,000 302,039,000 306,055,000                     
        liabilities
                                                                    
        deferred revenue, net of current portion
                          392,000 450,000 531,000 592,000 791,000 851,000 791,000 769,000 798,000 855,000 837,000 797,000 387,000 436,000 497,000 551,000 626,000 730,000 826,000 933,000 1,069,000 1,203,000 1,308,000 1,348,000 1,460,000 1,784,000 2,310,000 2,968,000 4,008,000 11,006,000 13,845,000 17,030,000 23,058,000 26,382,000 30,530,000 33,807,000 43,023,000 41,784,000 40,554,000 37,730,000 35,230,000 32,205,000 
        other liabilities, net of current portion in accrued expenses
                          3,931,000 3,985,000 2,816,000 19,436,000 2,940,000 5,291,000 4,809,000 2,240,000 1,998,000 1,419,000 1,676,000 1,660,000 1,644,000 1,628,000 1,612,000 1,596,000 1,581,000 1,565,000 2,505,000 2,480,000 2,454,000 2,429,000  1,281,000 3,155,000 5,871,000 7,816,000 9,410,000 10,630,000 13,854,000 14,981,000            
        inventory, net of allowance of 117 and 686, respectively
                           4,116,000                                         
        deferred tax assets, current
                            23,985,000 23,985,000 23,985,000 23,985,000 21,849,000 21,849,000 21,849,000 21,849,000 18,361,000 18,361,000 18,361,000 18,361,000 15,947,000 15,947,000 15,947,000 15,947,000 19,546,000 19,546,000 19,546,000 19,546,000                     
        debt related costs
                           2,333,000 2,504,000 2,674,000 1,909,000 2,053,000 2,196,000 1,687,000 1,913,000 2,151,000 2,403,000 769,000 1,024,000 1,313,000 1,638,000 1,998,000 2,393,000 772,000 1,027,000 1,318,000 1,645,000 2,007,000 2,404,000 3,082,000 4,764,000 5,372,000 4,819,000 5,586,000 6,627,000 7,985,000 10,277,000 11,058,000 11,541,000          
        inventory, net of allowance of 189 and 686, respectively
                            4,440,000                                        
        inventory, net of allowance of 406 and 686, respectively
                             4,288,000                                       
        current portion of notes payables
                             18,750,000 15,000,000  15,000,000 20,000,000 20,000,000  20,000,000 23,333,000 23,333,000  23,333,000 23,333,000 23,333,000  28,333,000 28,333,000 28,333,000 28,333,000 28,333,000 10,000,000 10,000,000 20,000,000 1,303,000                
        inventory, net of allowance of 394 and 686, respectively
                              5,587,000                                      
        inventory, net of allowance of 686 and 181, respectively
                               5,542,000                                     
        noncontrolling interest
                                    -740,000                                
        inventory, net of allowance of 198 and 181, respectively
                                7,828,000                                    
        inventory, net of allowance of 807 and 181, respectively
                                 7,887,000                                   
        inventory, net of allowance of 818 and 181, respectively
                                  10,963,000                                  
        inventory, net of allowance of 181 and 229, respectively
                                   10,081,000                                 
        redeemable noncontrolling interest
                                     -587,000 -440,000  233,000                            
        inventory, net of allowance of 104 and 229, respectively
                                    7,651,000                                
        total liabilities, redeemable noncontrolling interest, and stockholders’ equity
                                    592,637,000 592,645,000 596,701,000  534,986,000                            
        inventory, net of allowance of 115 and 229, respectively
                                     7,266,000                               
        inventory, net of allowance of 175 and 229, respectively
                                      5,965,000                              
        inventory, net of allowance of 229 and 268, respectively
                                       10,584,000                             
        inventory, net of allowance of 222 and 268, respectively
                                        11,492,000                            
        inventory, net of allowance of 231 and 268, respectively
                                         10,299,000                           
        inventory, net of allowance of 167 and 268, respectively
                                          8,203,000                          
        inventory, net of allowance of 268 and 269, respectively
                                           5,470,000                         
        inventory, net of allowance of 235 and 269, respectively
                                            6,463,000                        
        inventory, net of allowance of 161 and 269, respectively
                                             9,747,000                       
        inventory, net of allowance of 221 and 269, respectively
                                              7,431,000                      
        inventory, net of allowance of 269 and 763, respectively
                                               6,715,000                     
        notes payable, net of discount and current maturities
                                               42,500,000 49,583,000 115,987,000 168,799,000 173,004,000 177,185,000                
        31, 2010; 227,858 and 223,454 shares issued at december 31, 2011 and december 31, 2010, respectively; 225,586 and 221,566 shares outstanding at december 31, 2011 and december 31, 2010, respectively
                                               228,000                     
        inventory, net of allowance of 253 and 763, respectively
                                                7,161,000                    
        liabilities and stockholders’ deficit
                                                                    
        stockholders’ deficit
                                                                    
        total stockholders’ deficit
                                                -54,760,000 -74,953,000 -101,961,000 -129,647,000 -111,391,000 -59,559,000 -61,819,000      -85,803,000 -82,232,000       
        total liabilities and stockholders’ deficit
                                                232,555,000 235,907,000  260,392,000 362,396,000 370,986,000 334,267,000      466,156,000 458,365,000       
        inventory, net of allowance of 151 and 763, respectively
                                                 5,172,000                   
        inventory, net of allowance of 416 and 763, respectively
                                                  5,704,000                  
        total liabilities and stockholders' deficit
                                                  251,717,000                  
        inventory, net of allowance of 763 and 432, respectively
                                                   6,143,000                 
        embedded features within notes payable, at fair value
                                                    79,520,000                
        inventory, net of allowance of 610 and 432, respectively
                                                    4,265,000                
        inventory, net of allowance of 250 and 432, respectively
                                                     10,636,000               
        current portion of long-term debt
                                                     1,303,000 1,303,000 1,303,000 1,303,000 1,303,000 1,303,000          
        notes payable, net of discount
                                                     188,350,000 202,624,000 195,398,000 201,782,000 196,354,000           
        embedded conversion option within convertible notes, at fair value
                                                     17,490,000 10,860,000              
        inventory, net of allowance of 398 and 432, respectively
                                                      12,498,000              
        inventory, net of allowance of 1,127 and 1,405, respectively
                                                       14,097,000             
        software, net of accumulated depreciation
                                                       31,230,000 33,798,000 33,620,000 34,368,000          
        derivative embedded within convertible note, at fair value
                                                       27,560,000 18,600,000 19,750,000           
        stock subscription receivable
                                                       -5,195,000 -5,195,000 -5,195,000 -5,195,000 -5,195,000 -5,212,000 -5,232,000 -5,273,000 -5,542,000 -5,554,000    
        inventory, net of allowance of 1,452 and 1,405, respectively
                                                        14,390,000            
        inventory, net of allowance of 1,692 and 1,405, respectively
                                                         10,568,000           
        other liability, net of current portion in accrued expenses
                                                         16,293,000 17,725,000 19,116,000 20,465,000 21,775,000       
        158,315 and 158,201 shares issued at march 31, 2009 and december 31, 2008, respectively;
                                                                    
        156,746 and 156,648 shares outstanding at march 31, 2009 and december 31, 2008, respectively
                                                         158,000           
        inventory, net of allowance of 1,405 and 3,080, respectively
                                                          10,360,000          
        due from related parties
                                                              4,000 64,000 61,000 60,000 63,000 73,000 
        long-term debt
                                                          192,747,000          
        inventory, net of allowance of 1,377 and 3,080, respectively
                                                           10,683,000         
        deferred financing costs
                                                           690,000 1,517,000 2,344,000 6,371,000 6,868,000 7,364,000 7,861,000 8,357,000 8,854,000 
        convertible notes
                                                           253,413,000 253,366,000 253,331,000 253,310,000 253,299,000 253,288,000 253,430,000 253,420,000 253,407,000 
        158,027 and 157,414 shares issued at september 30, 2008 and december 31, 2007, respectively;
                                                                    
        156,500 and 156,014 shares outstanding at september 30, 2008 and december 31, 2007, respectively
                                                           158,000         
        inventory, net of allowance of 1,799 and 3,080, respectively
                                                            14,464,000        
        157,545 and 157,414 shares issued at june 30, 2008 and december 31, 2007, respectively;
                                                                    
        156,125 and 156,014 shares outstanding at june 30, 2008 and december 31, 2007, respectively
                                                            158,000        
        inventory, net of allowance of 2,903 and 3,080, respectively
                                                             15,562,000       
        inventory, net of allowance of 2,131 and 1,270, respectively
                                                              19,898,000      
        other liability, net of current portion
                                                              26,000,000      
        157,235 and 156,353 shares issued at september 30, 2007 and december 31, 2006, respectively;
                                                                    
        155,882 and 155,059 shares outstanding at september 30, 2007 and december 31, 2006, respectively
                                                              157,000      
        inventory, net of allowance of 1,946 and 1,270, respectively
                                                               29,211,000     
        inventory, net of allowance of 1,624 and 1,270, respectively
                                                                28,800,000    
        inventory, net of allowance of 1,270 and 732, respectively
                                                                 24,390,000   
        liabilities, redeemable preferred stock and stockholders’ equity
                                                                    
        redeemable preferred stock
                                                                    
        series a redeemable convertible preferred stock, par value 0.001 per share...
                                                                    
        series a-2 redeemable convertible preferred stock, par value 0.001 per share...
                                                                    
        series a-2 redeemable convertible preferred stock warrant to purchase 900 shares
                                                                    
        series b redeemable convertible preferred stock, par value 0.001 per share...
                                                                    
        series c redeemable convertible preferred stock, par value 0.001 per share...
                                                                    
        series d redeemable convertible preferred stock, par value 0.001 per share...
                                                                    
        series e redeemable convertible preferred stock, par value 0.001 per share...
                                                                    
        total redeemable preferred stock
                                                                    
        deferred compensation
                                                                    
        total liabilities, redeemable preferred stock and stockholders’ equity
                                                                 757,524,000 788,911,000 827,138,000 
        inventory, net of allowance of 1,036 and 732, respectively
                                                                  17,662,000  
        series c redeemable convertible preferred stock, par value 0.001per share; authorized 8,000 shares, 8,000 shares issued and outstanding
                                                                    
        series d redeemable convertible preferred stock, par value 0.001per share; authorized 8,729 shares, 8,729 shares issued and outstanding
                                                                    
        series e redeemable convertible preferred stock, par value 0.001per share; authorized 9,435 shares, 9,429 shares issued and outstanding
                                                                    
        inventory, net of allowance of 626 and 732, respectively
                                                                   11,333,000 
        liabilities and stockholders' equity
                                                                    
        stockholders' equity
                                                                    
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 
                                                                      
          cash flows from operating activities:
                                                                      
          net loss
        -17,122,000 -22,151,000 -2,032,000 62,000 -376,000    -3,755,000                                                      
          adjustments to reconcile net loss to net cash from operating activities:
                                                                      
          depreciation and amortization
        15,697,000 12,740,000 11,765,000 11,484,000 9,614,000 11,847,000 9,564,000 6,636,000 6,331,000 7,717,000 6,978,000 6,464,000 6,656,000 7,032,000 6,897,000 10,096,000 7,419,000                                         8,078,000 7,707,000 7,374,000 6,297,000 5,713,000 
          amortization of intangibles
        9,498,000 10,832,000 10,742,000 10,800,000 10,803,000 13,006,000 13,323,000 14,056,000 14,154,000 15,344,000 14,341,000 14,198,000 14,558,000 12,151,000 9,125,000 8,974,000 9,207,000 9,598,000 9,632,000 9,448,000 9,378,000 9,260,000 8,756,000 8,956,000 7,662,000 8,581,000 6,477,000 5,711,000 5,635,000 4,150,000 4,150,000 4,287,000 4,356,000 3,078,000 593,000 594,000 593,000 594,000 593,000 594,000 594,000 417,000 286,000 286,000 286,000 286,000 287,000 286,000 286,000 224,000 224,000 224,000 647,000 709,000 708,000 708,000 691,000 485,000 484,000 485,000 735,000  
          deferred income taxes
        -4,302,000 -3,780,000 734,000 1,448,000 999,000 7,778,000 -6,178,000 -3,420,000 1,468,000 -5,781,000 17,222,000 -14,569,000 -10,283,000 4,697,000 799,000 350,000 -10,655,000 72,102,000 10,586,000                                            
          amortization of deferred customer acquisition costs
        5,899,000 5,690,000 5,356,000 5,046,000 4,762,000 4,588,000 4,086,000 3,906,000 3,661,000 3,378,000 3,060,000 2,391,000 2,530,000 3,285,000 2,579,000 2,264,000 2,159,000                                              
          allowances for doubtful accounts
        804,000  514,000 -125,000 964,000                                                          
          amortization of financing costs and debt discount
        698,000 4,005,000 3,950,000 3,819,000 3,863,000 3,811,000 3,760,000 3,711,000 3,656,000 3,596,000 3,542,000                                                    
          loss on disposal of property and equipment and intangible assets
        6,000 219,000                                                             
          share-based expense
        29,042,000 32,325,000 17,247,000 15,762,000 14,566,000 11,695,000 11,530,000 11,326,000 11,116,000 13,090,000 12,921,000 11,216,000 8,015,000 9,304,000 8,523,000 8,808,000 7,164,000 8,485,000 8,106,000 9,785,000 11,106,000 13,554,000 10,458,000 10,367,000 6,303,000 7,460,000 7,889,000 6,704,000 5,488,000 4,171,000 5,785,000 4,820,000 6,294,000 4,758,000 4,684,000 4,419,000 3,982,000 2,374,000 3,473,000 3,505,000 2,623,000 3,819,000 4,131,000 3,854,000 2,475,000 2,424,000 2,483,000 2,330,000 1,018,000 1,580,000 2,058,000 2,227,000 2,608,000 3,035,000         
          changes in operating assets and liabilities:
                                                                      
          accounts receivable
        -134,000 -11,141,000 -16,859,000 -11,657,000 737,000 5,807,000 -2,898,000 -19,288,000 2,361,000 -5,928,000 57,000 -24,351,000 1,083,000 -5,400,000 -7,829,000 -7,527,000 271,000 -3,283,000 -5,250,000 -3,145,000 4,425,000  1,932,000 -6,266,000 -910,000 2,176,000 4,138,000 -2,713,000 -3,416,000 7,124,000 -423,000 -1,945,000 131,000 2,637,000 1,422,000 -2,558,000 -265,000  -2,991,000 -3,810,000 1,397,000  -85,000 -2,101,000 -448,000 4,076,000 -677,000 -3,131,000 305,000 2,738,000 6,350,000 -2,377,000 -3,781,000 6,875,000 180,000 -3,181,000 -1,846,000 -3,170,000 -3,762,000 712,000   
          prepaid expenses and other current assets
        -325,000 3,536,000 -2,496,000 2,671,000 -2,305,000 5,824,000 -11,866,000 6,800,000 -5,387,000 4,194,000 -3,732,000 1,324,000 170,000 -3,629,000 3,384,000 5,659,000 -2,627,000 -30,000 2,196,000 2,845,000 -1,672,000  426,000 492,000 -3,079,000  -1,040,000 -1,118,000 -2,409,000 3,850,000 7,050,000 -4,426,000 -2,368,000  4,352,000 -6,905,000 -1,324,000 3,533,000 -1,096,000 1,913,000 -3,005,000 1,435,000 897,000 -1,736,000 -184,000 2,583,000 -110,000 5,046,000 13,803,000 1,511,000 -20,967,000 1,510,000 -4,107,000 10,309,000 -5,747,000 -5,387,000 543,000 5,547,000 -4,888,000 -8,706,000   
          deferred customer acquisition costs
        -6,436,000 -10,853,000 -10,651,000 -8,238,000 -7,187,000 -9,993,000 -6,953,000 -6,347,000 -9,042,000 -8,838,000 -6,336,000 -7,913,000 -7,459,000 -7,431,000 -6,171,000 -6,024,000 -5,813,000 445,000 155,000 173,000 956,000 -549,000 993,000 -171,000 1,084,000 -256,000 -134,000 257,000 554,000 -512,000 13,000 293,000 436,000 1,058,000 572,000 -1,404,000 395,000  -417,000 -166,000 421,000 91,000 -331,000 604,000 1,527,000 1,845,000 2,893,000 4,065,000 6,702,000 4,882,000 5,604,000 4,893,000 6,144,000 4,661,000 4,703,000 2,653,000 1,305,000 -1,614,000 -2,455,000 -4,215,000   
          accounts payable and accrued expenses
        10,780,000 -2,853,000 31,856,000 10,342,000 16,416,000 -12,738,000 5,930,000 21,141,000 -25,459,000 13,984,000                                                     
          deferred revenue
        -6,946,000 5,803,000 -4,655,000 1,414,000 -4,821,000 1,046,000 -3,536,000 3,599,000 2,934,000 -2,920,000 468,000 6,711,000 -312,000 4,120,000 -991,000 -279,000 -1,434,000 -1,107,000 29,000 -132,000 -1,374,000  -1,251,000 -601,000 -933,000  -733,000 -278,000 -1,055,000  -128,000 -254,000 -638,000  -473,000 587,000 -1,053,000  -88,000 -567,000 -1,595,000  -578,000 -440,000 -1,899,000 -3,862,000 -2,794,000 -3,818,000 -8,972,000 -7,529,000 -5,262,000 -2,975,000 -6,387,000 -7,395,000 -5,445,000 1,367,000 1,349,000 3,722,000 4,462,000 9,059,000 6,500,000 7,347,000 
          other assets - deferred cloud computing implementation costs
        -1,131,000  -1,056,000 -929,000 -1,017,000  -2,381,000 -2,344,000 -669,000  -3,619,000 -5,288,000 -3,022,000                                                  
          other assets and liabilities
        4,843,000 1,886,000 -50,000 305,000 307,000 5,075,000 6,652,000 1,349,000 -1,049,000 935,000 889,000 -279,000 1,231,000 4,590,000 -1,086,000 -2,914,000 768,000 -264,000 1,789,000                                            
          net cash from operating activities
        40,871,000 25,304,000 43,886,000 42,203,000 47,318,000 32,449,000 12,628,000 36,300,000 2,503,000 33,076,000 31,783,000 25,317,000 2,750,000 28,742,000 28,528,000 42,467,000 23,468,000 47,458,000 47,907,000 15,432,000 17,261,000 21,757,000 26,694,000 23,989,000 14,572,000 46,105,000 37,665,000 35,237,000 10,724,000 31,309,000 27,764,000 24,082,000 9,387,000 36,089,000 23,550,000 18,852,000 9,752,000 61,046,000 18,157,000 29,521,000 11,119,000 38,645,000 45,533,000 45,151,000 17,457,000 18,858,000 30,836,000 93,270,000 51,248,000 21,736,000 -8,964,000 19,061,000 6,563,000 -5,516,000 -17,923,000 13,572,000 10,522,000 22,461,000 -52,731,000 -58,719,000   
          cash flows from investing activities:
                                                                      
          capital expenditures
        -2,773,000 -2,214,000 -2,058,000 -2,171,000 -2,553,000 -2,853,000 -2,863,000 -1,968,000 -2,887,000 -4,847,000 -5,970,000 -4,179,000 -5,277,000 -8,345,000 -2,900,000 -4,537,000 -3,250,000 -6,125,000 -6,795,000 -5,294,000 -3,701,000 -4,032,000 -7,053,000 -8,895,000 -4,618,000 -2,904,000 -2,056,000 -4,137,000 -2,157,000 -942,000 -1,205,000 -3,772,000 -2,031,000 -865,000 -1,659,000 -2,033,000 -3,686,000 -3,869,000 -1,298,000 -6,328,000 -3,980,000 -5,407,000 -1,959,000 -12,005,000 -6,447,000 -2,753,000 -2,519,000 -2,969,000 -3,124,000 -2,341,000 -2,952,000 -2,475,000 -5,187,000 -12,319,000   
          free cash flows
        38,098,000 23,090,000 41,828,000 40,032,000 44,765,000 29,596,000 9,765,000 34,332,000 -384,000 28,229,000 25,813,000 21,138,000 -2,527,000 20,397,000 25,628,000 37,930,000 20,218,000 41,333,000 41,112,000 10,138,000 13,560,000 21,757,000 22,662,000 16,936,000 5,677,000 46,105,000 33,047,000 32,333,000 8,668,000 31,309,000 23,627,000 21,925,000 8,445,000 36,089,000 22,345,000 15,080,000 7,721,000 61,046,000 17,292,000 27,862,000 9,086,000 38,645,000 41,847,000 41,282,000 16,159,000 12,530,000 26,856,000 87,863,000 49,289,000 9,731,000 -15,411,000 16,308,000 4,044,000 -8,485,000 -21,047,000 11,231,000 7,570,000 19,986,000 -57,918,000 -71,038,000   
          proceeds from sale of intangible assets, net of payment for intangible assets
        -21,000 -62,000                                                             
          acquisition and development of software assets
        -17,623,000 -11,459,000 -11,141,000 -10,514,000 -13,865,000 -11,584,000 -10,057,000 -9,926,000 -10,273,000 -7,652,000 -7,839,000 -7,500,000 -5,497,000 -1,516,000 -1,978,000 -1,073,000 -3,147,000 -1,936,000 -2,554,000 -3,504,000 -3,380,000  -3,332,000 -3,343,000 -2,312,000  -2,390,000 -3,284,000 -2,258,000  -2,938,000 -4,245,000 -2,786,000  -2,553,000 -3,884,000 -2,313,000  -537,000 -2,647,000 -7,000,000  -8,253,000 -4,704,000 -3,593,000 -9,446,000 -4,526,000 -6,699,000 -2,041,000 -10,138,000 -2,744,000 -4,777,000 -3,995,000 -2,941,000 -7,085,000 -9,141,000 -7,363,000 -7,963,000 -3,040,000 -1,734,000   
          net cash from investing activities
        -20,417,000 -20,735,000 -12,768,000 -12,736,000 -16,480,000 -14,489,000 -12,990,000 -12,009,000 -13,235,000 -12,817,000 -16,809,000 -11,679,000 -10,774,000 -358,046,000 -37,177,000 -5,610,000 -6,397,000 -7,111,000 -9,349,000 -7,518,000 -6,759,000  -5,751,000 -171,993,000 -10,153,000  -101,148,000 -29,141,000 -7,994,000  -11,705,000 -5,403,000 -3,729,000  -3,760,000 -7,657,000 -3,087,000  -1,120,000 -4,307,000 -8,034,000  -11,938,000 -8,573,000 -3,844,000 24,735,000 -3,379,000 5,056,000 -31,098,000 -26,892,000 -9,192,000 -7,530,000 -6,951,000 -3,727,000 13,434,000 5,758,000 25,021,000 -38,605,000 41,557,000 3,877,000   
          cash flows from financing activities:
                                                                      
          payments for short and long-term debt
        -10,000,000  -20,000,000 -40,000,000 -5,000,000  -5,000,000    -12,500,000                                                    
          proceeds from issuance of long-term debt
        10,000,000      30,000,000 45,000,000                                                     
          employee taxes paid on withholding shares
        -24,318,000 -16,571,000 -3,473,000 -1,492,000 -16,641,000 -980,000 -2,001,000 -523,000 -12,656,000 -662,000 -1,349,000 -457,000 -18,566,000 -520,000 -2,446,000 -1,131,000 -27,487,000 -645,000 -365,000 -467,000 -14,095,000                                          
          proceeds from exercise of stock options
        245,000 3,541,000 1,487,000 270,000 622,000 2,259,000 7,808,000 88,000 155,000 303,000 414,000 784,000 480,000 387,000 1,062,000 2,884,000 2,171,000 6,934,000 2,514,000 8,514,000 3,448,000 2,692,000 3,146,000 2,557,000 466,000 1,162,000 1,733,000 1,452,000 2,825,000                 823,000 729,000 38,000 30,000 2,000 56,000   -1,000 42,000 6,000 171,000 306,000 303,000 141,000 237,000 
          net cash from financing activities
        -24,073,000 -33,030,000 -21,986,000 -41,222,000 -21,019,000 -23,721,000 807,000 -20,435,000 32,499,000 -15,687,000 -14,259,000 -12,761,000 20,786,000 308,342,000 7,903,000 -32,971,000 -25,062,000    -13,540,000 -23,125,000 -12,666,000 136,388,000 -26,099,000 -33,622,000 74,926,000 -9,959,000 8,860,000    -34,690,000 56,104,000 -19,292,000 -17,567,000 2,646,000  -15,513,000 -7,531,000 -7,084,000  -40,708,000 -53,201,000 -13,707,000 -101,672,000 -17,606,000 -23,836,000 -648,000 -665,000 -587,000 -1,132,000 -869,000 -56,236,000 -8,846,000 -187,000 -201,000 177,000 70,000 227,000 -1,920,000 -6,083,000 
          effect of exchange rate changes on cash
        1,201,000  -359,000 -7,000 -980,000  313,000 643,000 -2,290,000  438,000 -1,361,000 260,000  448,000 -1,240,000 35,000 769,000 -110,000 532,000 128,000 46,000 628,000 58,000 -157,000  -152,000 125,000 -163,000  -1,436,000 283,000 -1,359,000  869,000 -974,000 -527,000 -504,000 802,000 -544,000 379,000 399,000 -458,000 129,000 815,000 762,000 500,000 -645,000 340,000 215,000 562,000 872,000 -148,000 -654,000 -486,000 158,000 -97,000 221,000 185,000 37,000 -39,000 -54,000 
          net increase in cash, cash equivalents, and restricted cash
        -2,418,000 -30,538,000 8,773,000 -11,762,000 8,839,000 -5,372,000 758,000 4,499,000 19,477,000 4,840,000 1,153,000 -484,000 13,022,000 -20,615,000                                                 
          cash, cash equivalents, and restricted cash, beginning of period
        20,309,000 44,997,000 25,635,000 7,104,000 33,327,000  30,929,000                                          
          cash, cash equivalents, and restricted cash, end of period
        17,891,000 -30,538,000 8,773,000 -11,762,000 53,836,000 -5,372,000 758,000 4,499,000 45,112,000 4,840,000 1,153,000 -484,000 20,126,000 -20,615,000 -298,000 2,646,000 25,371,000  3,069,000 608,000 28,019,000                                          
          supplemental disclosures of cash flow information:
                                                                      
          cash paid during the periods for:
                                                                      
          interest
        1,430,000  1,902,000 4,798,000 1,863,000   5,990,000 2,866,000  3,646,000 6,533,000 6,929,000  2,759,000 2,914,000 2,781,000  3,425,000 3,512,000 3,210,000 3,405,000 3,383,000 2,643,000 2,190,000 2,408,000 1,895,000 1,744,000 1,787,000 1,265,000 1,297,000 1,299,000 1,391,000 1,566,000 1,124,000 1,061,000 971,000 1,042,000 1,081,000 1,173,000 1,357,000 1,484,000 2,975,000 5,149,000 5,955,000 41,137,000 9,125,000 6,177,000 7,375,000 6,621,000 8,618,000 6,554,000 6,878,000 6,486,000 4,628,000 4,672,000 4,733,000 4,781,000 6,464,000 3,922,000 3,944,000 3,892,000 
          income taxes
        1,071,000  2,542,000 2,288,000 -3,965,000   -4,015,000 1,249,000  1,209,000 2,078,000 148,000  814,000 2,522,000 2,333,000  1,841,000 2,814,000 740,000 170,000 2,002,000 1,539,000 1,624,000 412,000 623,000 1,392,000 89,000 620,000 726,000 1,052,000 93,000 421,000 454,000 1,157,000 291,000 186,000 280,000 1,022,000 841,000 1,074,000 238,000 854,000 123,000 451,000 18,000 42,000 33,000 187,000 184,000 528,000 307,000 485,000         
          non-cash investing activities:
                                                                      
          acquisition of long-term assets included in accounts payable and accrued expenses
        1,354,000  1,599,000 1,224,000 1,302,000   -139,000 2,119,000                                                      
          share-based compensation capitalized in internally developed software costs
        1,712,000  1,227,000 1,166,000 1,266,000                                                          
          allowance for doubtful accounts
                       543,000 586,000 1,425,000 110,000 109,000 343,000 333,000 123,000    1,000 17,000 -26,000  -85,000 -98,000  -35,000 -100,000 -27,000 1,155,000 -202,000  95,000 228,000 -251,000 -273,000 -8,000 193,000 -623,000 -882,000 -111,000 704,000 96,000 270,000 29,000 -1,000 -91,000 304,000 683,000 100,000 75,000 -23,000 
          change in derivatives
                                                                      
          changes in operating assets and liabilities, net of acquisitions:
                                                                      
          other assets - cloud computing implementation costs
                                                                      
          payments for acquisitions of businesses
                                                                      
          payments on short and long-term debt
                                                                      
          proceeds from issuance of short and long-term debt
                                                                      
          payment of debt issuance costs
                    -128,000 -4,000                                                 
          payment for capped call transactions and costs
                                                                      
          common stock repurchases
                       -9,542,000  -25,312,000 -7,590,000  -2,151,000 -5,591,000 -8,169,000 37,408,000 -13,222,000 -13,514,000 -10,011,000 45,106,000 -14,304,000 -13,354,000 -16,712,000 9,075,000                         
          effect of exchange rate changes on cash and cash equivalents
                                                                      
          changes in derivatives
              1,188,000 -133,000  -133,000 -132,000 -133,000                                                  
          cash flows provided by (used in) investing activities:
                                                                      
          loss on disposal of property and equipment
           -1,000 -7,000 146,000 3,000 -1,000 741,000 26,000 301,000 -70,000 514,000                                                  
          purchase of intangible assets
           -51,000 -62,000 -52,000 -70,000 -115,000 -75,000                 7,500,000                            -560,000      
          net income
                 -2,375,000 -21,097,000 4,524,000 -534,000 -6,943,000 9,588,000 8,559,000 24,524,000 -55,273,000 10,602,000 4,825,000 5,913,000 1,000 9,078,000 897,000 7,931,000 3,406,000 3,433,000 8,347,000 7,410,000 5,494,000 4,365,000 5,383,000 4,205,000 3,322,000 3,985,000 7,447,000 13,047,000 12,833,000 13,213,000 -3,340,000 13,921,000 350,146,000 16,037,000 21,748,000 21,113,000 -41,689,000 -55,382,000 -562,000 13,968,000 4,401,000 -54,555,000 2,285,000 5,271,000  -7,817,000 -6,882,000 -8,961,000 -161,828,000 -33,626,000 -72,334,000 -117,093,000 -62,184,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                      
          loss on extinguishment of debt
                                                                     
          acquisitions, net of cash acquired
                                                                     
          principal payments on capital lease obligations and other financing obligations
                     -21,000 -24,000 -36,000 -59,000  -840,000 -1,198,000 -3,663,000                                          
          allowances for doubtful accounts and obsolete inventory
              1,269,000 2,061,000 1,448,000                                                      
          inventory
              385,000 357,000 127,000 -525,000 108,000 265,000 179,000 -41,000 651,000 802,000 -179,000 -367,000 803,000 13,000 340,000 218,000 -324,000 931,000 -25,000 1,739,000 82,000 3,123,000 -2,129,000 -2,523,000 -541,000 -1,380,000 4,480,000  -1,457,000 -2,237,000 -2,881,000 714,000 3,163,000 -2,370,000 -759,000  -2,297,000 514,000 383,000 -2,235,000 5,995,000 1,061,000 -5,389,000 5,718,000 -522,000 -4,229,000 -764,000 -275,000 3,288,000 872,000 3,587,000 8,776,000 -569,000 -4,857,000   
          payments of debt issuance costs
                  -824,000                                                    
          payments for capped call transactions and costs
                                                                     
          debt issuance costs included in accounts payable and accrued liabilities
                  -826,000                                                    
          allowance for doubtful accounts and obsolete inventory
                 863,000 909,000 395,000 80,000 367,000                                                 
          gain on sale of business
                         -502,000 -449,000                                            
          maturities and sales of marketable securities
                         280,000 322,000 5,955,000 1,512,000 3,576,000 3,948,000 2,348,000 2,745,000 1,243,000 887,000                         1,000 23,537,000 17,922,000 59,857,000 71,282,000 144,914,000 134,836,000 181,073,000 128,902,000 
          proceeds from sale of business
                         950,000                                            
          capital expenditures included in accounts payable and accrued liabilities
                  590,000 -267,000 334,000  467,000 58,000 1,315,000  -1,261,000                                            
          issuance of shares for asset acquisition
                                                                      
          accounts payable
                   -5,071,000 -9,824,000   6,172,000 1,622,000 -2,052,000 9,512,000 -16,313,000 8,189,000  -22,347,000 973,000 4,122,000  -2,106,000 5,273,000 -11,867,000  2,608,000 5,067,000 -14,333,000  -4,119,000 -9,274,000 -21,123,000 23,411,000 -7,508,000 4,489,000 -12,591,000 18,044,000 1,286,000 12,680,000 -2,920,000 1,192,000 -9,527,000 29,383,000 4,558,000 1,009,000 -13,034,000 -8,252,000 -2,318,000 -10,785,000 -27,057,000 19,269,000 -3,456,000 11,677,000 -8,844,000 -3,941,000 1,675,000 12,785,000 
          accrued expenses
                   34,003,000 -969,000   6,655,000 -10,190,000 9,029,000 -8,603,000 432,000 -24,219,000  15,409,000 -2,182,000 -25,095,000 6,260,000 8,192,000 -4,695,000 -4,989,000  -2,250,000 -1,194,000 -5,349,000 -598,000 1,977,000 14,055,000 2,435,000  -5,015,000 -4,018,000 -2,140,000  10,679,000 -909,000 -14,555,000 -13,984,000 6,678,000 18,027,000 9,245,000 -8,637,000 -5,527,000 5,922,000 3,478,000 -10,550,000 -1,280,000 -7,836,000 6,928,000 117,040,000 -20,131,000 9,238,000   
          amortization of debt issuance costs
                    270,000 258,000 253,000 253,000 258,000  96,000 -72,000 276,000                                          
          payments on notes and revolving credit facility
                    -2,500,000                                                  
          proceeds received from issuance of revolving credit facility and term note
                    41,500,000                                                  
          change in contingent consideration
                                                                      
          loss on disposal of fixed assets
                     -89,000 2,000 -8,000 174,000  -2,000 -106,000 240,000                                    71,000   304,000 7,000 
          purchase of marketable securities
                              -2,046,000 -3,618,000  -2,746,000 -2,448,000 -2,061,000                         -21,375,000 -88,025,000 -22,325,000 -99,975,000   
          acquisition of businesses, net of cash acquired
                                 -91,638,000                                    
          principal payments on term notes and revolving credit facilities
                                                                      
          proceeds received from issuance of revolving credit facilities and term notes
                                                                      
          acquisition of business, net of cash acquired
                                    -3,505,000                                  
          allowance for obsolete inventory
                       84,000 214,000 73,000 46,000 155,000 138,000 75,000 162,000   520,000 128,000 54,000 1,180,000 451,000 90,000 113,000 103,000 143,000 290,000 118,000 112,000 264,000 171,000 24,000 68,000 418,000 255,000 21,000 79,000 365,000 397,000 784,000 667,000 603,000 891,000 480,000 540,000 403,000 437,000 229,000 450,000 604,000 392,000 447,000 614,000 650,000 
          principal payments on notes and revolving credit facility
                       -34,688,000 -9,687,000 -45,687,000 -36,688,000 -14,687,000 -4,688,000  -14,688,000 -19,687,000 -13,750,000  -3,750,000 -5,000,000 -5,000,000  -5,000,000 -5,833,000 -25,833,000                              
          proceeds received from draw down of revolving credit facility and issuance of notes payable
                       10,000,000 15,000,000                                       
          net decrease in cash, cash equivalents, and restricted cash
                       2,646,000 -7,956,000  3,069,000                                            
          depreciation and impairment charges
                                                                      
          loss on foreign currency
                                 1,358,000                                  
          amortization of debt related costs
                             280,000 283,000 266,000 251,000 254,000 279,000 226,000 238,000 252,000 276,000 255,000 289,000 325,000 407,000 395,000 388,000 255,000 291,000 327,000 362,000 397,000 364,000 280,000 350,000 322,000 321,000 356,000 403,000 484,000 709,000 781,000 734,000          
          noncontrolling interest
                                                                      
          principal payments on capital lease obligations
                              -1,124,000 -1,104,000 -5,225,000  -899,000 -820,000 -796,000  -732,000 -704,000 -682,000  -626,000 -602,000 -582,000  -534,000 -511,000 -495,000  -452,000 -432,000 -419,000 -405,000 -381,000 -362,000 -352,000 -340,000 -318,000 -301,000 -292,000 -284,000 -262,000 -249,000 -241,000 -263,000 -248,000 -243,000   
          debt related costs
                                         -47,000 -2,009,000             -1,000 -251,000 -18,198,000         
          net change in cash and cash equivalents and restricted cash
                                                                      
          cash and cash equivalents and restricted cash, beginning of period
                                                                      
          cash and cash equivalents and restricted cash, end of period
                                                                      
          depreciation, amortization and impairment charges
                          8,549,000                                            
          net cash (used)/provided by financing activities
                          -35,379,000                                            
          non-cash investing and financing activities:
                                                                      
          issuance of common stock in connection with acquisition of business
                                                                  
          contingent consideration in connection with acquisition of business
                                                                     
          assumption of options in connection with acquisition of business
                                                                    
          depreciation and amortization and impairment charges
                            8,569,000 9,810,000 9,262,000 9,262,000 9,317,000 9,398,000 8,969,000 8,752,000 8,501,000 10,114,000 8,196,000 8,172,000 7,982,000 8,349,000 7,866,000 7,611,000 7,382,000 7,458,000 7,517,000 7,924,000 8,050,000 8,221,000 8,397,000 8,378,000 10,780,000 12,441,000 12,362,000 13,643,000 13,482,000 13,542,000 12,657,000 13,624,000 12,249,000 13,233,000 12,639,000 10,406,000 9,518,000      
          deferred tax expense
                            -5,803,000 -1,628,000 712,000 779,000 7,439,000 471,000 2,432,000 5,668,000 5,378,000 5,674,000 5,045,000 4,702,000 3,707,000 1,044,000 3,282,000 4,475,000 7,994,000 9,121,000 7,192,000 -1,087,000 4,262,000                      
          other assets
                            510,000  532,000 -687,000 356,000  -411,000 -333,000 -613,000  -6,488,000 258,000 174,000 114,000 188,000 1,514,000 154,000  -339,000 -340,000 -312,000 -3,000 -399,000 28,000 537,000 49,000 203,000 8,874,000 -8,000 -3,173,000 648,000 452,000 563,000 -8,131,000 3,196,000 -1,684,000 -879,000 72,000 40,000 73,000   
          other liabilities
                            -54,000 1,169,000 -148,000 24,000 149,000 482,000 69,000 242,000 579,000  16,000 16,000 16,000 16,000 16,000 15,000 16,000  25,000 26,000 25,000  -1,281,000 -1,874,000 -1,819,000 -1,765,000 -1,714,000 -1,663,000 -1,614,000 -1,566,000 -1,679,000            
          net change in cash, cash equivalents, and restricted cash
                            -2,910,000                                          
          non-cash transactions during the periods for:
                                                                      
          decrease in restricted cash
                             -24,000 101,000 -34,000 724,000 -1,000    -1,000 -2,000   -2,000 -2,000 -1,000 1,257,000 -2,000 282,000 -1,000 999,000                      
          net change in cash and cash equivalents
                              8,905,000 -11,558,000 -21,837,000 -2,051,000 11,291,000 -3,738,000 11,427,000  4,406,000 690,000 -30,391,000  1,367,000 -7,346,000 8,784,000 22,402,000 2,326,000 17,139,000 -3,620,000  -7,571,000 -16,494,000 721,000 -57,317,000 10,351,000 73,845,000 19,842,000 -5,606,000 -18,181,000 11,271,000 -1,405,000 -66,133,000 -13,821,000 19,301,000 35,245,000 -15,746,000 -10,919,000 -54,578,000 56,237,000 -158,219,000 
          cash and cash equivalents, beginning of period
                             57,726,000 40,797,000 84,663,000 97,110,000 58,863,000 78,934,000 32,213,000 46,134,000 71,542,000 210,253,000 
          cash and cash equivalents, end of period
                             -4,158,000 8,905,000 -11,558,000 35,889,000 -2,051,000 11,291,000 -3,738,000 52,224,000 -18,571,000 4,406,000 690,000 54,272,000 -15,252,000 1,367,000 -7,346,000 105,894,000 22,402,000 2,326,000 17,139,000 55,243,000 3,273,000 -7,571,000 -16,494,000 79,655,000 -57,317,000 10,351,000 73,845,000 52,055,000 -5,606,000 -18,181,000 11,271,000 44,729,000 -66,133,000 -13,821,000 19,301,000 106,787,000 -15,746,000 -10,919,000 155,675,000 56,237,000 -158,219,000 
          non-cash financing transactions during the periods for:
                                                                      
          non-controlling interest
                                  907,000                                  
          variable payout amount in connection with acquisition of business
                                                                      
          acquisition of redeemable noncontrolling interest
                                                                      
          decrease (increase) in restricted cash
                                   -1,000 999,000             1,000 1,000 1,047,000                  
          proceeds received from draw down of revolving credit facility
                                   20,000,000                                  
          income from abandonment of software assets
                                                                      
          principal payments on capital lease obligations and other liability
                                                                      
          proceeds from issuance of notes payable and revolving credit facility
                                                                      
          proceeds from exercise of stock options and stock warrant
                                             632,000 535,000 64,000 494,000 41,000 578,000 2,231,000 1,712,000                  
          proceeds received from issuance of notes payable
                                          27,500,000                          
          proceeds from exercise of stock options, net of stock cancellation payment
                                      647,000 1,779,000 1,836,000  1,063,000 2,222,000 283,000                          
          net cash from by financing activities
                                                                      
          increase in restricted cash
                                        -1,000              5,127,000 17,162,000 -27,098,000 -3,499,000 -1,000 -437,000 2,182,000 106,000 -682,000 -2,586,000 -11,424,000 -72,805,000 -16,931,000   
          change in fair value of embedded features in notes payable and stock warrant
                                                 950,000 29,782,000                 
          loss on extinguishment of notes
                                                 7,985,000 3,228,000 593,000 26,531,000 1,545,000                
          amortization of discount on notes
                                                 92,000 362,000 460,000 1,009,000 1,125,000 1,228,000 1,370,000 1,360,000 1,380,000 1,382,000 1,347,000          
          principal payments on notes
                                          -5,833,000 -5,833,000 -5,834,000  -7,083,000 -7,084,000 -7,083,000  -137,083,000 -55,000,000 -15,000,000 -17,954,000 -23,512,000 -326,000 -326,000 -325,000 -832,000 -326,000          
          extinguishment of notes
                                                                      
          investments from redeemable noncontrolling interests
                                                                      
          accrued interest paid in-kind
                                                     -239,000 4,609,000 4,942,000 3,920,000 4,641,000 2,990,000 4,878,000 4,645,000          
          proceeds from issuance of notes payable
                                                                     
          discount on notes payable
                                                                      
          conversion of convertible notes into common stock:
                                                                      
          third lien convertible notes, net of discount and debt related costs
                                                     1,935,000 156,000 2,406,000 515,000             
          embedded conversion option within third lien convertible notes
                                                     17,795,000                 
          loss from abandonment of software assets
                                                                      
          change in fair value of stock warrant
                                                                      
          deferred tax benefit
                                                                      
          beneficial conversion on interest in kind on convertible notes
                                                             15,000 47,000 35,000 11,000 11,000 11,000 10,000 10,000 13,000 
          due from related parties
                                                             2,000 72,000 2,000 7,000 14,000 
          proceeds from subscription receivable
                                                             9,000 267,000 12,000 38,000 78,000 
          proceeds from directed share program
                                                             17,000        
          change in fair value of embedded conversion option and stock warrant
                                                       8,241,000 -835,000              
          embedded derivative liability within third lien convertible notes
                                                       1,169,000 13,394,000 3,570,000             
          gain on extinguishment of notes
                                                        -1,038,000              
          change in fair value of derivatives
                                                         1,055,000             
          (gain) loss on extinguishment of notes
                                                                      
          extinguishment of convertible notes
                                                                      
          (gain) loss on early extinguishment of notes
                                                                      
          change in fair value of embedded derivative
                                                           -1,150,000 -12,970,000          
          other liability
                                                            -1,432,000 -1,391,000 -1,349,000 -1,310,000 -1,271,000      
          loss on early extinguishment of notes
                                                                      
          amortization of discount on debt
                                                                      
          accrued interest
                                                             2,210,000 539,000 337,000 -72,000 -111,000 285,000 423,000 707,000 -931,000 
          other
                                                                      
          principal payments on debt
                                                                      
          proceeds from issuance of debt
                                                                      
          early extinguishment of notes
                                                                      
          proceeds from common stock issuance
                                                                    -457,000 -2,139,000 
          purchase of treasury stock
                                                                      
          conversion of convertible notes
                                                                      
          capital lease obligations incurred
                                                                      
          conversion of preferred stock, preferred stock warrant and subscription receivable
                                                                      
          amortization of deferred financing costs
                                                              827,000 827,000 828,000 497,000 496,000 497,000 496,000 502,000 
          share-based compensation
                                                               3,150,000 1,886,000 6,228,000 6,937,000 6,914,000 7,000,000  
          taxes
                                                                      
          payments for directed share program
                                                                25,000 2,000     
          proceeds from notes issuance
                                                                    
          debt issuance costs
                                                                      
          proceeds from directed share program customers
                                                                   155,000   
          proceeds from preferred stock issuance
                                                                      
          stock option compensation