7Baggers
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 
      
                                                                                        
      assets
                                                                                        
      cash and cash equivalents
    473,299,000 462,837,000 486,224,000 544,478,000 446,347,000 434,063,000 376,679,000 451,280,000 420,497,000 396,487,000 332,780,000 430,746,000 318,699,000 290,544,000 364,567,000 506,735,000 432,715,000 413,612,000 390,915,000 460,858,000 310,368,000 404,148,000 363,811,000 270,124,000 320,527,000 286,179,000 260,953,000 246,322,000 210,085,000 170,686,000 156,169,000 167,014,000 138,992,000 128,143,000 137,655,000 168,243,000 161,444,000 153,275,000 137,995,000 199,728,000 160,376,000 169,263,000 161,048,000 168,924,000 155,100,000 133,154,000 130,045,000 132,691,000 119,009,000 135,468,000 125,919,000 128,908,000 150,101,000 129,595,000 119,809,000 169,620,000 157,622,000 135,768,000 116,567,000 124,994,000 108,745,000 113,526,000 104,552,000 103,341,000 106,133,000 88,737,000 109,823,000 107,323,000 114,962,000 96,256,000 54,299,000 72,711,000 74,350,000 65,350,000 68,291,000 82,000,000 65,293,000 51,291,000 52,158,000 58,189,000 54,493,000 37,630,000 57,042,000 97,652,000 
      cash segregated under federal regulations
    48,351,000 47,930,000 47,514,000 47,107,000 46,657,000 46,141,000 45,629,000 45,122,000 52,601,000 52,015,000 51,459,000 50,947,000 50,523,000 50,276,000 50,187,000 50,159,000 50,134,000 50,108,000 50,083,000 50,059,000 50,033,000                                                                
      investments, at fair value
    168,472,000 169,349,000 166,113,000 165,260,000 167,213,000 135,908,000 135,831,000 134,861,000 132,844,000 109,037,000 106,674,000 83,792,000 33,294,000 34,297,000 35,875,000 36,078,000 35,767,000 35,838,000 24,308,000 28,111,000 31,274,000 131,372,000 135,617,000 230,477,000 235,625,000 231,895,000 222,458,000 240,105,000 236,101,000 249,591,000 244,271,000 239,521,000 237,221,000 237,361,000 218,559,000 194,404,000 170,655,000 146,330,000 147,226,000                                              
      accounts receivable
    110,519,000 113,242,000 109,171,000 91,845,000 102,760,000 92,350,000 99,878,000 89,839,000 90,548,000 92,969,000 100,184,000 78,450,000 87,550,000 87,475,000 75,520,000 63,881,000 67,766,000 87,125,000 87,452,000 79,577,000 81,706,000 99,222,000 93,572,000 62,017,000 72,812,000 66,332,000 70,946,000 57,535,000 62,004,000 61,883,000 67,529,000 52,636,000 63,027,000 55,215,000 56,642,000 50,668,000 56,583,000 62,860,000 52,755,000 40,459,000 49,280,000 46,938,000 46,062,000 33,836,000 36,947,000 40,896,000 39,077,000 34,158,000 36,876,000 41,826,000 35,467,000 31,044,000 33,414,000 33,209,000 33,039,000 36,170,000 31,858,000 34,494,000 30,064,000                  18,796,000 16,893,000 15,866,000  17,245,000 16,027,000 14,554,000 14,375,000 
      receivables from broker-dealers, clearing organizations and customers
    606,667,000 559,120,000 493,613,000 357,728,000 474,989,000 577,992,000 662,888,000 687,936,000 548,081,000 479,741,000 558,254,000 476,335,000 584,654,000 617,817,000 721,127,000 408,346,000 551,841,000 475,739,000 564,957,000 279,915,000 380,853,000                                                                
      goodwill
    283,667,000 286,020,000 236,706,000 236,706,000 236,706,000 236,706,000 236,706,000 236,706,000 154,789,000 154,789,000 154,789,000 154,789,000 154,789,000 154,789,000 154,789,000 154,789,000 154,789,000 154,789,000 147,388,000 147,388,000 147,388,000 147,394,000 147,394,000 146,861,000                                                             
      intangible assets, net of accumulated amortization
    115,880,000 121,397,000 94,430,000 98,078,000 104,331,000 108,420,000 113,576,000 119,108,000 84,687,000 89,812,000 94,411,000 98,065,000 99,887,000 105,607,000 111,620,000 116,377,000 119,797,000 119,989,000 90,945,000 95,354,000 58,873,000 59,552,000 60,285,000 60,986,000                                                             
      furniture, equipment, leasehold improvements and capitalized software, net of accumulated depreciation and amortization
    111,622,000 109,206,000 107,858,000 107,298,000 109,482,000 108,802,000 107,239,000 102,671,000 101,654,000 99,022,000 99,133,000 100,256,000 93,512,000 93,255,000 95,302,000 96,061,000 95,575,000 93,108,000 88,655,000 85,204,000 82,074,000 78,461,000 74,926,000 71,795,000 66,531,000 64,206,000 61,047,000 63,010,000 54,320,000 50,088,000 39,623,000 38,548,000 35,321,000 34,643,000 33,888,000 31,104,000 30,773,000 31,495,000 32,094,000 30,897,000 31,027,000 31,290,000 31,190,000 32,185,000 32,800,000 34,396,000 33,393,000 32,703,000 27,617,000 26,443,000 18,743,000  18,466,000 14,960,000   14,076,000 13,409,000 12,701,000                          
      operating lease right-of-use assets
    53,412,000 55,382,000 56,624,000 58,132,000 59,998,000 60,500,000 62,006,000 63,045,000 63,101,000 63,674,000 64,904,000 66,106,000 66,662,000 68,602,000 69,189,000 70,960,000 72,586,000 73,906,000 75,223,000 75,924,000 76,692,000 77,933,000 79,651,000 81,399,000 75,390,000 76,722,000 78,190,000                                                          
      prepaid expenses and other assets
    42,019,000 50,455,000 79,843,000 82,584,000 84,566,000 85,831,000 86,531,000 84,499,000 88,710,000 81,645,000 65,874,000 68,289,000 70,177,000 65,048,000 29,309,000 27,066,000 30,948,000 33,709,000 25,943,000 29,039,000 26,191,000 41,102,000 20,289,000 30,770,000 18,591,000 22,597,000 17,219,000 22,468,000 18,594,000 21,030,000 17,888,000 18,717,000 16,174,000 21,058,000 13,794,000 11,618,000 11,758,000 13,463,000 12,844,000 9,880,000 7,173,000 12,596,000 7,207,000 6,685,000 8,800,000 12,356,000 9,333,000 10,640,000 10,543,000 11,204,000 8,931,000 8,096,000 8,584,000 13,715,000 6,828,000 8,465,000 10,944,000 12,326,000 8,849,000 2,984,000 2,591,000 3,052,000 3,171,000 3,041,000 2,379,000 2,631,000 2,586,000 3,177,000 2,142,000 2,748,000 2,606,000 1,938,000 1,322,000 1,463,000 2,103,000 2,221,000         
      total assets
    2,013,908,000 1,974,938,000 1,878,096,000 1,789,216,000 1,833,049,000 1,886,713,000 1,926,963,000 2,015,067,000 1,737,512,000 1,619,191,000 1,628,462,000 1,607,775,000 1,559,747,000 1,567,710,000 1,707,485,000 1,530,452,000 1,611,918,000 1,537,923,000 1,545,869,000 1,331,429,000 1,245,504,000 1,039,217,000 975,603,000 954,930,000 855,026,000 812,009,000 774,809,000 695,539,000 646,131,000 617,598,000 589,273,000 581,232,000 562,347,000 547,041,000 530,714,000 528,042,000 502,151,000 477,115,000 451,842,000 439,041,000 416,322,000 398,946,000 378,694,000 379,884,000 362,909,000 356,719,000 346,373,000 351,578,000 332,688,000 305,378,000 282,881,000 279,841,000 304,928,000 289,728,000 274,510,000 349,458,000 339,200,000 321,267,000 303,730,000 299,521,000 287,169,000 285,436,000 272,631,000 277,286,000 267,500,000 252,095,000 243,222,000 246,428,000 240,074,000 229,064,000 200,791,000 198,366,000 198,369,000 193,261,000 189,174,000 204,278,000 197,455,000 189,430,000 185,499,000  185,695,000 179,256,000 170,312,000  
      liabilities and stockholders’ equity
                                                                                        
      liabilities
                                                                                        
      accrued employee compensation
    60,374,000 48,198,000 30,912,000 68,054,000 52,816,000 41,002,000 28,665,000 60,124,000 43,881,000 35,877,000 24,735,000 56,302,000 45,217,000 35,685,000 26,166,000 59,719,000 49,046,000 39,278,000 28,223,000 62,326,000 50,926,000 39,434,000 21,929,000 47,365,000 35,082,000 26,669,000 16,699,000 39,053,000 31,468,000 23,612,000 15,611,000 36,502,000 31,027,000 23,080,000 13,872,000 34,783,000 28,546,000 20,212,000 10,910,000 29,296,000 22,838,000 16,109,000 8,960,000 25,310,000 18,384,000 12,196,000 6,183,000 23,811,000 19,229,000 12,509,000 5,751,000 19,916,000 15,435,000 10,503,000 5,817,000 19,425,000 15,672,000 11,931,000 5,972,000 17,791,000 13,551,000 8,508,000 4,337,000 15,157,000 10,214,000 6,228,000 2,953,000 10,439,000 8,642,000 5,951,000 3,453,000 14,311,000 11,471,000 8,528,000 5,412,000 12,622,000 8,751,000 5,751,000 2,836,000 11,848,000 8,893,000 5,930,000 3,122,000 11,803,000 
      payables to broker-dealers, clearing organizations and customers
    365,828,000 329,785,000 318,866,000 218,845,000 283,314,000 392,846,000 465,703,000 537,398,000 364,086,000 287,360,000 316,274,000 303,993,000 336,885,000 375,211,000 458,476,000 229,325,000 303,439,000 278,303,000 308,268,000 133,326,000 138,120,000                                                                
      income and other tax liabilities
    98,744,000 95,197,000 80,987,000 3,683,000 2,151,000 2,058,000 2,931,000 7,892,000 19,379,000 18,518,000 37,930,000 28,448,000 28,257,000 27,660,000 42,614,000 40,456,000 44,871,000 41,345,000 48,193,000 42,750,000 34,822,000 24,906,000 20,776,000 16,690,000 13,274,000 12,860,000 18,857,000 16,432,000 12,921,000 12,972,000 18,412,000 13,061,000 4,507,000 4,686,000 15,028,000 7,582,000 3,634,000 3,000,000 10,915,000 4,463,000 4,410,000 7,059,000 9,583,000 5,940,000 3,668,000                                        
      accounts payable, accrued expenses and other liabilities
    31,907,000 31,628,000 29,215,000 37,320,000 33,437,000 36,338,000 33,361,000 37,013,000 40,019,000 32,422,000 46,674,000 55,263,000 47,362,000 42,797,000 70,297,000 71,218,000 69,300,000 65,872,000 80,202,000 44,354,000 25,297,000 22,624,000 34,764,000 19,294,000 16,285,000 17,050,000 13,717,000 29,366,000 19,339,000 20,041,000 14,532,000 14,241,000 12,714,000 14,971,000 16,269,000 15,149,000 15,265,000 15,146,000 16,999,000 12,257,000 13,388,000 13,271,000 12,756,000 11,961,000 11,283,000 18,594,000 19,207,000 14,692,000 20,431,000 16,868,000 19,231,000 12,344,000 12,495,000 12,364,000 14,547,000 12,268,000 12,658,000 12,036,000 11,695,000                          
      operating lease liabilities
    66,872,000 69,230,000 70,803,000 72,654,000 75,077,000 76,081,000 78,070,000 79,677,000 79,169,000 79,922,000 81,317,000 82,676,000 83,286,000 85,555,000 86,391,000 88,425,000 89,963,000 91,265,000 92,750,000 93,612,000 93,708,000 94,701,000 96,301,000 97,991,000 92,031,000 89,712,000 90,845,000                                                          
      total liabilities
    623,725,000 574,038,000 530,783,000 400,556,000 446,795,000 557,492,000 608,730,000 722,104,000 546,534,000 454,099,000 506,930,000 526,682,000 541,007,000 566,908,000 683,944,000 489,143,000 556,619,000 516,063,000 557,636,000 376,368,000 347,965,000 185,733,000 177,720,000 184,839,000 160,403,000 150,101,000 143,663,000 87,661,000 67,513,000 60,220,000 52,109,000 66,464,000 51,439,000 45,813,000 48,359,000 60,029,000 50,451,000 40,964,000 41,426,000 48,328,000 42,851,000 39,089,000 34,024,000 45,676,000 36,606,000 33,740,000 28,112,000 41,216,000 46,068,000 34,814,000 30,380,000 37,124,000 32,994,000 27,993,000 25,593,000 37,019,000 33,367,000 28,410,000 22,346,000 34,730,000 31,103,000 25,011,000 20,103,000 30,469,000 25,374,000 16,995,000 14,056,000 21,620,000 19,336,000 18,317,000 20,787,000 23,969,000 22,038,000 17,935,000 14,828,000 18,993,000 16,499,000 11,954,000 10,283,000  18,262,000 14,958,000 10,504,000  
      commitments and contingencies
                                                                                        
      redeemable noncontrolling interest
    11,733,000 14,715,000                                                                                   
      stockholders’ equity
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2025 and december 31, 2024, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2025 and december 31, 2024, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,107,947 shares and 41,020,421 shares issued and 37,149,529 shares and 37,646,374 shares outstanding as of september 30, 2025 and december 31, 2024, respectively
    123,000                                                                                    
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2025 and december 31, 2024, respectively
                                                                                        
      additional paid-in capital
    358,607,000 356,817,000 348,708,000 350,701,000 344,138,000 335,641,000 327,519,000 333,292,000 346,947,000 339,867,000 333,114,000 345,468,000 330,294,000 325,047,000 318,119,000 330,262,000 323,631,000 313,683,000 309,988,000 329,742,000 327,646,000 327,970,000 328,055,000 342,541,000 343,543,000 341,446,000 335,425,000 341,860,000 336,079,000 331,056,000 327,669,000 331,081,000 342,113,000 343,085,000 339,191,000 342,311,000 337,261,000 333,279,000 324,950,000 321,215,000 317,617,000 313,586,000 309,316,000 307,059,000 302,320,000 298,661,000 295,617,000 295,557,000 289,911,000 286,816,000 283,161,000 283,609,000 277,744,000 275,061,000 270,590,000 340,716,000 335,084,000 332,121,000 329,476,000 340,615,000 330,956,000 318,638,000 315,634,000 313,896,000 311,702,000 309,559,000 307,067,000 305,508,000 303,775,000 301,194,000 296,862,000 289,988,000 286,605,000 284,591,000 271,101,000 265,030,000 260,261,000 251,981,000 259,691,000 249,122,000 243,717,000 239,837,000 236,323,000 233,110,000 
      treasury stock
    -451,403,000 -407,029,000 -370,342,000 -333,369,000 -316,524,000 -302,455,000 -269,005,000 -260,298,000 -327,091,000 -327,815,000 -327,815,000 -328,326,000 -320,252,000 -320,252,000 -271,512,000 -232,712,000 -187,715,000 -183,479,000 -170,043,000 -169,523,000 -168,841,000 -164,676,000 -158,803,000 -153,388,000 -196,402,000 -193,632,000 -190,146,000 -184,962,000 -178,776,000 -172,695,000 -166,059,000 -159,791,000 -153,682,000 -141,477,000 -129,537,000  -107,279,000 -98,805,000 -94,604,000  -90,272,000 -84,711,000 -79,186,000  -57,715,000 -46,021,000 -35,659,000 -32,273,000 -32,273,000 -32,273,000 -32,273,000 -32,273,000 -29,743,000 -28,283,000 -28,283,000 -25,933,000 -18,998,000 -18,998,000 -18,998,000 -70,000,000 -63,258,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 -37,227,000 -30,030,000 -26,510,000 -21,192,000 -2,653,000         
      retained earnings
    1,474,752,000 1,434,953,000 1,392,279,000 1,405,904,000 1,368,661,000 1,325,139,000 1,288,247,000 1,244,216,000 1,208,607,000 1,180,820,000 1,148,093,000 1,101,525,000 1,068,662,000 1,035,723,000 995,192,000 956,966,000 929,853,000 896,977,000 854,747,000 799,369,000 749,211,000 704,219,000 643,129,000 591,086,000 560,164,000 525,430,000 496,562,000 463,252,000 433,227,000 410,419,000 385,725,000 353,583,000 332,506,000 310,777,000 285,150,000 255,140,000 231,743,000 210,606,000 187,228,000 168,011,000 150,975,000 135,721,000 118,943,000 101,813,000 86,158,000 74,650,000 62,471,000 51,042,000 32,794,000 19,467,000 4,977,000  26,632,000 17,256,000 8,708,000                              
      accumulated other comprehensive income/
    -3,629,000 1,321,000                                                                                   
      total stockholders’ equity
    1,378,450,000 1,386,185,000 1,347,313,000 1,388,660,000                               482,355,000 468,013,000 451,700,000 436,151,000 410,416,000 390,713,000 373,471,000 359,857,000 344,670,000 334,208,000 326,303,000 322,979,000 318,261,000 310,362,000 286,620,000 270,564,000 252,501,000 242,717,000 271,934,000 261,735,000 248,917,000 312,439,000 305,833,000 292,857,000 281,384,000 234,476,000 225,751,000 230,110,000 222,213,000 216,502,000 211,811,000 204,785,000 198,851,000 194,493,000 190,423,000 186,575,000 180,004,000 174,397,000 176,331,000 175,326,000 174,346,000 185,285,000 180,956,000 177,476,000 175,216,000  167,433,000 164,298,000 159,808,000  
      total liabilities, redeemable noncontrolling interest and stockholders’ equity
    2,013,908,000 1,974,938,000                                                                                   
      the accompanying notes are an integral part of these consolidated financial statements.
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2025 and december 31, 2024, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2025 and december 31, 2024, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,140,143 shares and 41,020,421 shares issued and 37,416,106 shares and 37,646,374 shares outstanding as of june 30, 2025 and december 31, 2024, respectively
     123,000                                                                                   
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2025 and december 31, 2024, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2025 and december 31, 2024, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2025 and december 31, 2024, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,127,475 shares and 41,020,421 shares issued and 37,571,221 shares and 37,646,374 shares outstanding as of march 31, 2025 and december 31, 2024, respectively
      123,000                                                                                  
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2025 and december 31, 2024, respectively
                                                                                        
      accumulated other comprehensive loss
      -23,455,000 -34,699,000 -10,144,000 -29,227,000 -28,651,000 -24,370,000 -37,608,000 -27,903,000 -31,983,000 -37,697,000 -60,087,000 -39,839,000 -18,381,000 -13,330,000 -10,593,000 -5,444,000 -6,582,000 -4,650,000 -10,599,000 -14,151,000 -14,620,000 -10,270,000 -12,804,000 -11,458,000 -10,817,000 -12,394,000  -11,523,000 -10,292,000 -10,226,000 -10,150,000 -11,278,000 -12,570,000  -10,145,000 -9,049,000 -7,279,000  -4,969,000 -4,859,000 -4,523,000  -4,580,000 -4,430,000 -4,287,000 -4,083,000 -3,931,000 -3,565,000 -3,483,000 -3,093,000 -2,817,000 -2,417,000 -2,213,000 -1,882,000 -1,692,000 -1,693,000 -1,999,000 -1,651,000 -1,102,000 -1,134,000 -1,439,000 -1,391,000 -1,102,000 -1,219,000 -1,362,000 -1,320,000 -1,721,000 -1,420,000 -976,000 -884,000 -856,000 -847,000 -774,000 -733,000 -706,000 -639,000 -426,000    -478,000  
      total liabilities and stockholders’ equity
      1,878,096,000 1,789,216,000                               530,714,000 528,042,000 502,151,000 477,115,000 451,842,000 439,041,000 416,322,000 398,946,000 378,694,000 379,884,000 362,909,000 356,719,000 346,373,000 351,578,000 332,688,000 305,378,000 282,881,000 279,841,000 304,928,000 289,728,000 274,510,000 349,458,000 339,200,000 321,267,000 303,730,000 299,521,000 287,169,000 285,436,000 272,631,000 277,286,000 267,500,000 252,095,000 243,222,000 246,428,000 240,074,000 229,064,000 200,791,000 198,366,000 198,369,000 193,261,000 189,174,000 204,278,000 197,455,000 189,430,000 185,499,000  185,695,000 179,256,000 170,312,000  
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2024 and 2023, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2024 and 2023, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,020,421 shares and 40,940,769 shares issued and 37,646,374 shares and 37,899,688 shares outstanding as of december 31, 2024 and 2023, respectively
       123,000                                                                                 
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2024 and 2023, respectively
                                                                                        
      liabilities and stockholders' equity
                                                                                        
      stockholders' equity
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2024 and december 31, 2023, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2024 and december 31, 2023, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,034,858 shares and 40,940,769 shares issued and 37,724,684 shares and 37,899,688 shares outstanding as of september 30, 2024 and december 31, 2023, respectively
        123,000                                                                                
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2024 and december 31, 2023, respectively
                                                                                        
      total stockholders' equity
        1,386,254,000 1,329,221,000 1,318,233,000 1,292,963,000 1,190,978,000 1,165,092,000 1,121,532,000 1,081,093,000 1,018,740,000 1,000,802,000 1,023,541,000 1,041,309,000 1,055,299,000 1,021,860,000 988,233,000 955,061,000 897,539,000 853,484,000 797,883,000 770,091,000 694,623,000 661,908,000 631,146,000 607,878,000 578,618,000 557,378,000 537,164,000 514,768,000 510,908,000 501,228,000                                                   
      total liabilities and stockholders' equity
        1,833,049,000 1,886,713,000 1,926,963,000 2,015,067,000 1,737,512,000 1,619,191,000 1,628,462,000 1,607,775,000 1,559,747,000 1,567,710,000 1,707,485,000 1,530,452,000 1,611,918,000 1,537,923,000 1,545,869,000 1,331,429,000 1,245,504,000 1,039,217,000 975,603,000 954,930,000 855,026,000 812,009,000 774,809,000 695,539,000 646,131,000 617,598,000 589,273,000 581,232,000 562,347,000 547,041,000                                                   
      securities sold, not yet purchased, at fair value
         9,167,000                                                                               
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2024 and december 31, 2023, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2024 and december 31, 2023, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,032,190 shares and 40,940,769 shares issued and 37,783,610 shares and 37,899,688 shares outstanding as of june 30, 2024 and december 31, 2023, respectively
         123,000                                                                               
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2024 and december 31, 2023, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2024 and december 31, 2023, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2024 and december 31, 2023, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 41,022,506 shares and 40,940,769 shares issued and 37,938,337 shares and 37,899,688 shares outstanding as of march 31, 2024 and december 31, 2023, respectively
          123,000                                                                              
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2024 and december 31, 2023, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2023 and 2022, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2023 and 2022, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,940,769 shares and 40,918,660 shares issued and 37,899,688 shares and 37,648,148 shares outstanding as of december 31, 2023 and 2022, respectively
           123,000                                                                             
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2023 and 2022, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2023 and december 31, 2022
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2023 and december 31, 2022
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,946,522 shares and 40,918,660 shares issued and 37,680,665 shares and 37,648,148 shares outstanding as of september 30, 2023 and december 31, 2022, respectively
            123,000                                                                            
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2023 and december 31, 2022
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2023 and december 31, 2022
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2023 and december 31, 2022
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,946,010 shares and 40,918,660 shares issued and 37,677,426 shares and 37,648,148 shares outstanding as of june 30, 2023 and december 31, 2022, respectively
             123,000                                                                           
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2023 and december 31, 2022
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2023 and december 31, 2022
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2023 and december 31, 2022
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,937,944 shares and 40,918,660 shares issued and 37,669,360 shares and 37,648,148 shares outstanding as of march 31, 2023 and december 31, 2022, respectively
              123,000                                                                          
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2023 and december 31, 2022
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2022 and 2021
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2022 and 2021
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,918,660 shares and 40,911,506 shares issued and 37,648,148 shares and 37,918,956 shares outstanding as of december 31, 2022 and 2021, respectively
               123,000                                                                         
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2022 and 2021
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2022 and december 31, 2021
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2022 and december 31, 2021
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,907,433 shares and 40,911,506 shares issued and 37,636,921 shares and 37,918,956 shares outstanding as of september 30, 2022 and december 31, 2021, respectively
                123,000                                                                        
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2022 and december 31, 2021
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2022 and december 31, 2021
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2022 and december 31, 2021
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,910,520 shares and 40,911,506 shares issued and 37,640,008 shares and 37,918,956 shares outstanding as of june 30, 2022 and december 31, 2021, respectively
                 123,000                                                                       
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2022 and december 31, 2021
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2022 and december 31, 2021
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2022 and december 31, 2021
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,907,961 shares and 40,911,506 shares issued and 37,816,250 shares and 37,918,956 shares outstanding as of march 31, 2022 and december 31, 2021, respectively
                  123,000                                                                      
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2022 and december 31, 2021
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2021 and 2020
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2021 and 2020
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,911,506 shares and 40,851,100 shares issued and 37,918,956 shares and 38,005,330 shares outstanding as of december 31, 2021 and 2020, respectively
                   123,000                                                                     
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2021 and 2020
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2021 and december 31, 2020
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2021 and december 31, 2020
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,907,339 shares and 40,851,100 shares issued and 38,026,483 shares and 38,005,330 shares outstanding as of september 30, 2021 and december 31, 2020, respectively
                    123,000                                                                    
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2021 and december 31, 2020
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2021 and december 31, 2020
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2021 and december 31, 2020
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,882,143 shares and 40,851,100 shares issued and 38,008,484 shares and 38,005,330 shares outstanding as of june 30, 2021 and december 31, 2020, respectively
                     123,000                                                                   
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2021 and december 31, 2020
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2021 and december 31, 2020
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2021 and december 31, 2020
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,830,772 shares and 40,851,100 shares issued and 37,985,818 shares and 38,005,330 shares outstanding as of march 31, 2021 and december 31, 2020, respectively
                      123,000                                                                  
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2021 and december 31, 2020
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2020 and 2019
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2020 and 2019
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,851,100 shares and 40,746,593 shares issued and 38,005,330 shares and 37,935,984 shares outstanding as of december 31, 2020 and 2019, respectively
                       123,000                                                                 
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2020 and 2019
                                                                                        
      deferred tax assets
                        52,000 33,000 58,000 501,000 3,163,000 1,595,000 1,417,000 3,424,000 2,256,000 1,453,000 830,000 1,737,000 8,457,000 7,370,000 6,829,000 8,562,000 7,399,000 6,057,000 5,197,000 9,229,000 8,238,000 6,061,000 5,142,000 6,972,000 5,252,000 2,617,000 2,915,000 4,947,000 4,312,000 4,511,000 4,639,000 9,442,000 6,702,000 5,822,000 5,684,000 8,089,000 9,589,000 14,296,000 20,241,000 19,813,000 20,338,000 16,576,000 20,628,000 23,980,000 28,988,000 32,051,000 34,212,000 35,666,000 37,103,000 37,343,000 38,960,000 37,207,000 36,558,000 37,671,000 40,326,000 38,901,000 39,042,000 39,596,000 40,252,000 39,804,000 36,829,000 37,322,000 39,406,000 41,410,000 
      deferred revenue
                        5,092,000 4,068,000 3,950,000 3,499,000 3,731,000 3,810,000 3,545,000 2,810,000 3,785,000 3,595,000 3,554,000 2,660,000 3,191,000 3,076,000 3,190,000 2,515,000 3,006,000 2,606,000 2,602,000 2,312,000 2,215,000 2,650,000 2,725,000 2,465,000 3,271,000 2,950,000 2,722,000 2,713,000 3,106,000 5,437,000 5,398,000 4,864,000 5,064,000 5,126,000 5,229,000 5,326,000 5,037,000 4,443,000 4,679,000 4,571,000 4,878,000 4,279,000 4,428,000 4,262,000 4,425,000 2,091,000 2,230,000 2,303,000 2,568,000 1,763,000 1,745,000 826,000 1,144,000 650,000 952,000 857,000         
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2020 and december 31, 2019
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2020 and december 31, 2019
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,809,252 shares and 40,746,593 shares issued and 37,964,882 shares and 37,935,984 shares outstanding as of september 30, 2020 and december 31, 2019, respectively
                        122,000                                                                
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2020 and december 31, 2019
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2020 and december 31, 2019
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2020 and december 31, 2019
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,775,124 shares and 40,746,593 shares issued and 37,937,960 shares and 37,935,984 shares outstanding as of june 30, 2020 and december 31, 2019, respectively
                         122,000                                                               
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2020 and december 31, 2019
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2020 and december 31, 2019
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2020 and december 31, 2019
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,739,022 shares and 40,746,593 shares issued and 37,914,922 shares and 37,935,984 shares outstanding as of march 31, 2020 and december 31, 2019, respectively
                          122,000                                                              
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2020 and december 31, 2019
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2019 and 2018
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2019 and 2018
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,746,593 shares and 40,540,349 shares issued and 37,935,984 shares and 37,639,917 shares outstanding as of december 31, 2019 and 2018, respectively
                           122,000                                                             
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2019 and 2018
                                                                                        
      goodwill and intangible assets, net of accumulated amortization
                            62,387,000 62,483,000 62,579,000 62,675,000 62,771,000 62,867,000 62,963,000 63,059,000 63,155,000 63,251,000 63,347,000 63,443,000 63,539,000 63,635,000 63,731,000 64,142,000 64,712,000 65,281,000 65,850,000 66,419,000 66,989,000 67,558,000 68,127,000 68,697,000 69,508,000 71,447,000 72,123,000 33,134,000 33,480,000 33,835,000 34,189,000 34,544,000 34,911,000 35,278,000 35,645,000 36,012,000 36,392,000 36,771,000 37,151,000 37,530,000 37,922,000 38,314,000 38,706,000 39,546,000 38,175,000 39,575,000 40,185,000 3,389,000             
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2019 and december 31, 2018
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2019 and december 31, 2018
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,721,937 shares and 40,540,349 shares issued and 37,780,778 shares and 37,639,917 shares outstanding as of september 30, 2019 and december 31, 2018, respectively
                            122,000                                                            
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2019 and december 31, 2018
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2019 and december 31, 2018
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2019 and december 31, 2018
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,688,233 shares and 40,540,349 shares issued and 37,753,481 shares and 37,639,917 shares outstanding as of june 30, 2019 and december 31, 2018, respectively
                             122,000                                                           
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2019 and december 31, 2018
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2019 and december 31, 2018
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2019 and december 31, 2018
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,622,066 shares and 40,540,349 shares issued and 37,700,164 shares and 37,639,917 shares outstanding as of march 31, 2019 and december 31, 2018, respectively
                              122,000                                                          
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2019 and december 31, 2018
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2018 and 2017
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2018 and 2017
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,540,349 shares and 40,402,059 shares issued and 37,639,917 shares and 37,620,736 shares outstanding as of december 31, 2018 and 2017, respectively
                               122,000                                                         
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2018 and 2017
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2018 and december 31, 2017
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2018 and december 31, 2017
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,466,892 shares and 40,402,059 shares issued and 37,596,566 shares and 37,620,736 shares outstanding as of september 30, 2018 and december 31, 2017, respectively
                                121,000                                                        
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2018 and december 31, 2017
                                                                                        
      accumulated other comprehensive
                                -12,033,000                                                   -482,000 -478,000 -412,000   
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2018 and december 31, 2017
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2018 and december 31, 2017
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,420,215 shares and 40,402,059 shares issued and 37,578,970 shares and 37,620,736 shares outstanding as of june 30, 2018 and december 31, 2017, respectively
                                 121,000                                                       
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2018 and december 31, 2017
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2018 and december 31, 2017
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2018 and december 31, 2017
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,423,765 shares and 40,402,059 shares issued and 37,614,420 shares and 37,620,736 shares outstanding as of march 31, 2018 and december 31, 2017, respectively
                                  121,000                                                      
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2018 and december 31, 2017
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2017 and 2016
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2017 and 2016
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,402,059 shares and 40,106,360 shares issued and 37,620,736 shares and 37,543,775 shares outstanding as of december 31, 2017 and 2016, respectively
                                   121,000                                                     
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2017 and 2016
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2017 and december 31, 2016
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2017 and december 31, 2016
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,296,774 shares and 40,106,360 shares issued and 37,547,951 shares and 37,543,775 shares outstanding as of september 30, 2017 and december 31, 2016, respectively
                                    121,000                                                    
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2017 and december 31, 2016
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2017 and december 31, 2016
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2017 and december 31, 2016
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,242,102 shares and 40,106,360 shares issued and 37,554,123 shares and 37,543,775 shares outstanding as of june 30, 2017 and december 31, 2016, respectively
                                     121,000                                                   
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2017 and december 31, 2016
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2017 and december 31, 2016
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2017 and december 31, 2016
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,168,572 shares and 40,106,360 shares issued and 37,543,170 shares and 37,543,775 shares outstanding as of march 31, 2017 and december 31, 2016, respectively
                                      121,000                                                  
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2017 and december 31, 2016
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2016 and december 31, 2015
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2016 and december 31, 2015
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,106,360 shares and 39,821,519 shares issued and 37,543,775 shares and 37,409,274 shares outstanding as of december 31, 2016 and december 31, 2015, respectively
                                       120,000                                                 
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2016 and december 31, 2015
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2016 and december 31, 2015
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2016 and december 31, 2015
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,093,981 shares and 39,821,519 shares issued and 37,594,196 shares and 37,409,274 shares outstanding as of september 30, 2016 and december 31, 2015, respectively
                                        120,000                                                
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2016 and december 31, 2015
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2016 and december 31, 2015
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2016 and december 31, 2015
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 40,087,466 shares and 39,821,519 shares issued and 37,636,794 shares and 37,409,274 shares outstanding as of june 30, 2016 and december 31, 2015, respectively
                                         120,000                                               
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2016 and december 31, 2015
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2016 and december 31, 2015
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2016 and december 31, 2015
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,990,272 shares and 39,821,519 shares issued and 37,571,415 shares and 37,409,274 shares outstanding as of march 31, 2016 and december 31, 2015, respectively
                                          121,000                                              
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2016 and december 31, 2015
                                                                                        
      securities available-for-sale, at fair value
                                           84,706,000 95,516,000 67,517,000 62,195,000 64,863,000 57,021,000 65,742,000 63,483,000 67,742,000 58,437,000 14,479,000 17,059,000  54,181,000 58,592,000   80,200,000 75,696,000 79,663,000  74,218,000 74,087,000 63,142,000                      
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2015 and december 31, 2014
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2015 and december 31, 2014
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,821,519 shares and 39,460,066 shares issued and 37,409,274 shares and 37,318,722 shares outstanding as of december 31, 2015 and december 31, 2014, respectively
                                           121,000                                             
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2015 and december 31, 2014
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2015 and december 31, 2014
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2015 and december 31, 2014
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,687,461 shares and 39,460,066 shares issued and 37,307,916 shares and 37,318,722 shares outstanding as of september 30, 2015 and december 31, 2014, respectively
                                            120,000                                            
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2015 and december 31, 2014
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2015 and december 31, 2014
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2015 and december 31, 2014
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,630,201 shares and 39,460,066 shares issued and 37,308,457 shares and 37,318,722 shares outstanding as of june 30, 2015 and december 31, 2014, respectively
                                             120,000                                           
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2015 and december 31, 2014
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2015 and december 31, 2014
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2015 and december 31, 2014
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,597,228 shares and 39,460,066 shares issued and 37,339,484 shares and 37,318,722 shares outstanding as of march 31, 2015 and december 31, 2014, respectively
                                              120,000                                          
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2015 and december 31, 2014
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2014 and december 31, 2013
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2014 and december 31, 2013
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,460,066 shares and 39,224,016 shares issued and 37,318,722 shares and 37,728,857 shares outstanding as of december 31, 2014 and december 31, 2013, respectively
                                               120,000                                         
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2014 and december 31, 2013
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2014 and december 31, 2013
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2014 and december 31, 2013
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,378,759 shares and 39,224,016 shares issued and 37,429,415 shares and 37,728,857 shares outstanding as of september 30, 2014 and december 31, 2013, respectively
                                                120,000                                        
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2014 and december 31, 2013
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2014 and december 31, 2013
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2014 and december 31, 2013
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,306,981 shares and 39,224,016 shares issued and 37,569,035 shares and 37,728,857 shares outstanding as of june 30, 2014 and december 31, 2013, respectively
                                                 119,000                                       
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2014 and december 31, 2013
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2014 and december 31, 2013
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2014 and december 31, 2013
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,320,842 shares and 39,224,016 shares issued and 37,771,683 shares and 37,728,857 shares outstanding as of march 31, 2014 and december 31, 2013, respectively
                                                  119,000                                      
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2014 and december 31, 2013
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2013 and december 31, 2012
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2013 and december 31, 2012
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,224,016 shares and 38,902,294 shares issued and 37,728,857 shares and 37,407,135 shares outstanding as of december 31, 2013 and december 31, 2012, respectively
                                                   119,000                                     
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of december 31, 2013 and december 31, 2012
                                                                                        
      assets from discontinued operations
                                                    6,386,000                                    
      liabilities from discontinued operations
                                                    3,302,000                                    
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2013 and december 31, 2012
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2013 and december 31, 2012
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,121,110 shares and 38,902,294 shares issued and 37,625,951 shares and 37,407,135 shares outstanding as of september 30, 2013 and december 31, 2012, respectively
                                                    119,000                                    
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of september 30, 2013 and december 31, 2012
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2013 and december 31, 2012
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2013 and december 31, 2012
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,057,125 shares and 38,902,294 shares issued and 37,561,966 shares and 37,407,135 shares outstanding as of june 30, 2013 and december 31, 2012, respectively
                                                     119,000                                   
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of june 30, 2013 and december 31, 2012
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2013 and december 31, 2012
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2013 and december 31, 2012
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 39,001,403 shares and 38,902,294 shares issued and 37,506,244 shares and 37,407,135 shares outstanding as of march 31, 2013 and december 31, 2012, respectively
                                                      119,000                                  
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares issued and outstanding as of march 31, 2013 and december 31, 2012
                                                                                        
      securities available-for-sale
                                                       51,208,000   60,086,000 78,110,000    72,552,000    70,997,000 56,194,000 56,238,000 27,605,000 35,227,000 18,036,000 22,122,000 34,290,000 51,579,000 53,449,000 56,543,000 44,438,000 49,015,000 58,208,000 64,896,000 60,066,000      
      capitalized software, furniture, equipment and leasehold improvements, net of accumulated depreciation and amortization
                                                       18,009,000   14,875,000 14,460,000                             
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2012 and 2011
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2012 and 2011
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 38,902,294 shares and 37,725,394 shares issued and 37,407,135 shares and 36,183,655 shares outstanding as of december 31, 2012 and 2011, respectively
                                                       118,000                                 
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares and 2,585,654 shares issued and outstanding as of december 31, 2012 and 2011, respectively
                                                                                        
      accumulated deficit
                                                       -5,644,000    -584,000 -8,680,000 -18,692,000 -27,213,000 -34,605,000 -40,961,000 -46,914,000 -51,383,000 -55,403,000 -58,189,000 -62,829,000 -66,016,000 -68,855,000 -70,791,000 -72,310,000 -75,158,000 -76,754,000 -78,662,000 -81,072,000 -84,624,000 -87,074,000 -89,312,000 -90,609,000 -91,409,000 -92,495,000 -94,585,000 -95,756,000 -96,521,000 -99,578,000 
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2012 and december 31, 2011
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2012 and december 31, 2011
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 38,703,481 shares and 37,725,394 shares issued and 37,293,525 shares and 36,183,655 shares outstanding as of september 30, 2012 and december 31, 2011, respectively
                                                        118,000                                
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares and 2,585,654 shares issued and outstanding as of september 30, 2012 and december 31, 2011, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2012 and december 31, 2011
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2012 and december 31, 2011
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 38,630,396 shares and 37,725,394 shares issued and 37,269,685 shares and 36,183,655 shares outstanding as of june 30, 2012 and december 31, 2011, respectively
                                                         118,000                               
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares and 2,585,654 shares issued and outstanding as of june 30, 2012 and december 31, 2011, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2012 and december 31, 2011
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2012 and december 31, 2011
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 37,859,623 shares and 37,725,394 shares issued and 36,498,912 shares and 36,183,655 shares outstanding as of march 31, 2012 and december 31, 2011, respectively
                                                          115,000                              
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, no shares and 2,585,654 shares issued and outstanding as of march 31, 2012 and december 31, 2011, respectively
                                                                                        
      series b preferred stock, 0.001 par value, 35,000 shares authorized; zero and 35,000 issued and outstanding as of december 31, 2011 and 2010, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2011 and 2010
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2011 and 2010
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 37,725,394 shares and 35,945,001 shares issued and 36,183,655 shares and 31,141,261 shares outstanding as of december 31, 2011 and 2010, respectively
                                                           113,000                             
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of december 31, 2011 and 2010
                                                           9,000                             
      series b preferred stock, 0.001 par value, 35,000 shares authorized; zero and 35,000 issued and outstanding as of september 30, 2011 and december 31, 2010, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2011 and december 31, 2010
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2011 and december 31, 2010
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 36,882,267 shares and 35,945,001 shares issued and 35,578,526 shares and 31,141,261 shares outstanding as of september 30, 2011 and december 31, 2010, respectively
                                                            110,000                            
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of september 30, 2011 and december 31, 2010
                                                            9,000                            
      series b preferred stock, 0.001 par value, 35,000 shares authorized; zero and 35,000 issued and outstanding as of june 30, 2011 and december 31, 2010, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2011 and december 31, 2010
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2011 and december 31, 2010
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 36,728,696 shares and 35,945,001 shares issued and 35,424,955 shares and 31,141,261 shares outstanding as of june 30, 2011 and december 31, 2010, respectively
                                                             110,000                           
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of june 30, 2011 and december 31, 2010
                                                             9,000                           
      series b preferred stock, 0.001 par value, 35,000 shares authorized; zero and 35,000 issued and outstanding as of march 31, 2011 and december 31, 2010, respectively
                                                                                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2011 and december 31, 2010
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2011 and december 31, 2010
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 36,585,440 shares and 35,945,001 shares issued and 35,281,699 shares and 31,141,261 shares outstanding as of march 31, 2011 and december 31, 2010, respectively
                                                              109,000                          
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of march 31, 2011 and december 31, 2010
                                                              9,000                          
      securities and cash provided as collateral
                                                               4,939,000 4,943,000 4,894,000 4,914,000 4,971,000 4,556,000 4,570,000 4,306,000 4,316,000 4,416,000 4,474,000 4,480,000 4,455,000 3,766,000 3,727,000 3,765,000 3,798,000 3,757,000 3,799,000 3,764,000 3,799,000 3,773,000 3,798,000 3,779,000 3,799,000 
      accounts receivable, including receivables from related parties of 829 and 3,431, respectively, net of allowance of 427 and 859 as of december 31, 2010 and 2009, respectively
                                                               25,682,000                         
      furniture, equipment and leasehold improvements, net of accumulated depreciation and amortization
                                                               9,448,000 9,595,000 9,386,000 9,117,000  4,010,000 3,897,000 4,002,000 3,369,000 3,579,000 2,822,000 2,974,000 2,931,000 3,251,000 3,473,000 3,896,000 4,304,000 4,635,000 4,931,000 4,855,000 4,643,000 4,345,000 4,680,000 4,956,000 5,079,000 
      software development costs, net of accumulated amortization
                                                               3,097,000 3,027,000 3,053,000 3,271,000 3,420,000 3,665,000 3,972,000 4,065,000 4,521,000 4,907,000 5,285,000 5,520,000 5,759,000             
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 66 and 29 as of december 31, 2010 and 2009, respectively
                                                               12,368,000                         
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of december 31, 2010 and 2009, liquidation preference of 1,000 per share
                                                               30,315,000                         
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2010 and 2009
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2010 and 2009
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 35,945,001 shares and 34,654,957 shares issued and 31,141,261 shares and 31,790,837 shares outstanding as of december 31, 2010 and 2009, respectively
                                                               108,000                         
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of december 31, 2010 and 2009
                                                               9,000                         
      receivable for common stock subscribed
                                                                 -595,000 -713,000 -713,000 -713,000 -839,000 -951,000 -951,000 -951,000 -999,000 -834,000 -834,000 -834,000 -944,000 -1,042,000 -1,042,000 -1,042,000 -1,042,000 -1,042,000 -1,042,000 -1,043,000 -1,042,000 -1,042,000 -1,042,000 
      accounts receivable, including receivables from related parties of 2,840 and 3,431, respectively, net of allowance of 663 and 859 as of september 30, 2010 and december 31, 2009, respectively
                                                                27,320,000                        
      accounts payable, accrued expenses and other liabilities, including payables to related parties of 68 and 29 as of september 30, 2010 and december 31, 2009, respectively
                                                                12,674,000                        
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of september 30, 2010 and december 31, 2009, liquidation preference of 1,000 per share
                                                                30,315,000                        
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2010 and december 31, 2009
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2010 and december 31, 2009
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 35,597,220 shares and 34,654,957 shares issued as of september 30, 2010 and december 31, 2009, respectively
                                                                107,000                        
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of september 30, 2010 and december 31, 2009
                                                                9,000                        
      accounts receivable, including receivables from related parties of 2,816 and 3,431, respectively, net of allowance of 769 and 859 as of june 30, 2010 and december 31, 2009, respectively
                                                                 24,091,000                       
      accounts payable, accrued expenses and other liabilities, including payables to related parties of 58 and 29 as of june 30, 2010 and december 31, 2009, respectively
                                                                 12,224,000                       
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of june 30, 2010 and december 31, 2009, liquidation preference of 1,000 per share
                                                                 30,315,000                       
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2010 and december 31, 2009
                                                                                        
      series a preferred stock 0.001 par value, 110,000 shares authorized, no shares issued, and outstanding as of june 30, 2010 and december 31, 2009
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 35,364,234 shares and 34,654,957 shares issued as of june 30, 2010 and december 31, 2009, respectively
                                                                 106,000                       
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of june 30, 2010 and december 31, 2009
                                                                 9,000                       
      accounts receivable, including receivables from related parties of 3,038 and 3,431, respectively, net of allowance of 903 and 859 as of march 31, 2010 and december 31, 2009, respectively
                                                                  26,685,000                      
      accounts payable, accrued expenses and other liabilities, including payables to related parties of 32 and 29 as of march 31, 2010 and december 31, 2009, respectively
                                                                  11,338,000                      
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of march 31, 2010 and december 31, 2009, liquidation preference of 1,000 per share
                                                                  30,315,000                      
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2010 and december 31, 2009
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2010 and december 31, 2009
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 35,159,785 shares and 34,654,957 shares issued as of march 31, 2010 and december 31, 2009, respectively
                                                                  105,000                      
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of march 31, 2010 and december 31, 2009
                                                                  9,000                      
      accounts receivable, including receivables from related parties of 3,431 and 1,930, respectively, net of allowance of 859 and 1,012 as of december 31, 2009 and 2008, respectively
                                                                   23,150,000                     
      furniture, equipment and leasehold improvements, net of accumulated depreciation
                                                                                        
      and amortization
                                                                   6,856,000                     
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 29 and 11 as of december 31, 2009 and 2008, respectively
                                                                   11,050,000                     
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and
                                                                                        
      outstanding as of december 31, 2009 and 2008, liquidation preference of 1,000 per share
                                                                   30,315,000                     
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2009 and 2008
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2009 and 2008
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 34,654,957 shares and 33,971,309 shares issued as of december 31, 2009 and 2008, respectively
                                                                   104,000                     
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of december 31, 2009 and 2008
                                                                   9,000                     
      accounts receivable, including receivables from related parties of 2,549 and 1,930, respectively, net of allowance of 1,093 and 1,012 as of september 30, 2009 and december 31, 2008, respectively
                                                                    23,653,000                    
      accounts payable, accrued expenses and other liabilities, including payables to related parties of 20 and 11 as of september 30, 2009 and december 31, 2008, respectively
                                                                    10,735,000                    
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of september 30, 2009 and december 31, 2008, liquidation preference of 1,000 per share
                                                                    30,315,000                    
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2009 and december 31, 2008
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2009 and december 31, 2008
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 34,649,233 shares and 33,971,309 shares issued as of september 30, 2009 and december 31, 2008, respectively
                                                                    104,000                    
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of september 30, 2009 and december 31, 2008
                                                                    9,000                    
      accounts receivable, including receivables from related parties of 3,377 and 1,930, respectively, net of allowance of 1,353 and 1,012 as of june 30, 2009 and december 31, 2008, respectively
                                                                     21,685,000                   
      accounts payable, accrued expenses and other liabilities, including payables to related parties of 12 and 11 as of june 30, 2009 and december 31, 2008, respectively
                                                                     8,676,000                   
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of june 30, 2009 and december 31, 2008, liquidation preference of 1,000 per share
                                                                     30,315,000                   
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2009 and december 31, 2008
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2009 and december 31, 2008
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized, 34,613,947 shares and 33,971,309 shares issued as of june 30, 2009 and december 31, 2008, respectively
                                                                     104,000                   
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized, 2,585,654 shares issued and outstanding as of june 30, 2009 and december 31, 2008
                                                                     9,000                   
      accounts receivable, including receivables from related parties of 2,671 and 1,930, respectively, net of allowance of 1,015 and 1,012 as of march 31, 2009 and december 31, 2008, respectively
                                                                      17,917,000                  
      accounts payable, accrued expenses and other liabilities, including payables to related parties of 11 and 11 as of march 31, 2009 and december 31, 2008, respectively
                                                                      8,873,000                  
      series b preferred stock, 0.001 par value, 35,000 shares authorized, issued and outstanding as of march 31, 2009 and december 31, 2008, liquidation preference of 1,000 per share
                                                                      30,315,000                  
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of march 31, 2009 and december 31, 2008
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of march 31, 2009 and december 31, 2008
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of march 31, 2009 and december 31, 2008; 34,573,124 shares and 33,971,309 shares issued as of march 31, 2009 and december 31, 2008, respectively
                                                                      104,000                  
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized and 2,585,654 shares issued and outstanding as of march 31, 2009 and december 31, 2008
                                                                      9,000                  
      accounts receivable, including receivables from related parties of 1,930 and 6,290, respectively, net of allowance of 1,012 and 912 as of december 31, 2008 and 2007, respectively
                                                                       13,283,000                 
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 11 and 177 as of december 31, 2008 and 2007, respectively
                                                                       8,878,000                 
      series b preferred stock, .001 par value, 35,000 shares authorized, issued and outstanding as of december 31, 2008, liquidation preference of 1,000 per share
                                                                       30,315,000                 
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of december 31, 2008 and 2007
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of december 31, 2008 and 2007
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of december 31, 2008 and 2007; 33,971,309 shares and 33,082,371 shares issued as of december 31, 2008 and 2007, respectively
                                                                       102,000                 
      common stock non-voting, 0.003 par value, 10,000,000 shares authorized and 2,585,654 shares issued and outstanding as of december 31, 2008 and 2007
                                                                       9,000                 
      accounts receivable, including receivables from related parties of 3,804 and 6,290, respectively, net of allowance of 899 and 912 as of september 30, 2008 and december 31, 2007, respectively
                                                                        16,754,000                
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 32 and 177 as of september 30, 2008 and december 31, 2007, respectively
                                                                        8,126,000                
      series b preferred stock, .001 par value, 35,000 shares authorized, issued and outstanding as of september 30, 2008, liquidation preference of 1,000 per share
                                                                        30,315,000                
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of september 30, 2008 and december 31, 2007, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of september 30, 2008 and december 31, 2007
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of september 30, 2008 and december 31, 2007; 33,946,269 shares and 33,082,371 shares issued as of september 30, 2008 and december 31, 2007, respectively
                                                                        102,000                
      common stock non-voting, 0.003 par value, 10,000,000 authorized and 2,585,654 shares issued and outstanding as of september 30, 2008 and december 31, 2007
                                                                        9,000                
      accounts receivable, including receivables from related parties of 3,721 and 6,290, respectively, net of allowance of 1,069 and 912 as of june 30, 2008 and december 31, 2007, respectively
                                                                         18,439,000               
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 10 and 177 as of june 30, 2008 and december 31, 2007, respectively
                                                                         10,603,000               
      series b preferred stock, .001 par value, 35,000 shares authorized, 28,000 shares issued and outstanding as of june 30, 2008, liquidation preference of 1,000 per share
                                                                         24,172,000               
      preferred stock, 0.001 par value, 4,855,000 shares authorized, no shares issued and outstanding as of june 30, 2008 and december 31, 2007, respectively
                                                                                        
      series a preferred stock, 0.001 par value, 110,000 shares authorized, no shares issued and outstanding as of june 30, 2008 and december 31, 2007, respectively
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of june 30, 2008 and december 31, 2007; 33,852,500 shares and 33,082,371 shares issued as of june 30, 2008 and december 31, 2007, respectively
                                                                         101,000               
      common stock non-voting, 0.003 par value, 10,000,000 authorized and 2,585,654 shares issued and outstanding as of june 30, 2008 and december 31, 2007
                                                                         9,000               
      accounts receivable, including receivables from related parties of 2,888 and 6,290, respectively, net of allowance of 969 and 912 as of march 31, 2008 and december 31, 2007, respectively
                                                                          17,477,000              
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 0 and 177 as of march 31, 2008 and december 31, 2007, respectively
                                                                          15,589,000              
      preferred stock, 0.001 par value, 5,000,000 shares authorized with no shares issued and outstanding as of march 31, 2008 and december 31, 2007
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of march 31, 2008 and december 31, 2007; 33,843,837 shares and 33,082,371 shares issued as of march 31, 2008 and december 31, 2007, respectively
                                                                          101,000              
      common stock non-voting, 0.003 par value, 10,000,000 authorized as of march 31, 2008 and december 31, 2007; 2,585,654 shares issued and outstanding as of march 31, 2008 and december 31, 2007
                                                                          9,000              
      accounts receivable, including receivables from related parties of 6,290 and 8,579, respectively, net of allowance of 912 and 752 as of december 31, 2007 and 2006, respectively
                                                                           18,397,000             
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 177 and 110 as of december 31, 2007 and 2006, respectively
                                                                           8,832,000             
      preferred stock, 0.001 par value, 5,000,000 shares authorized with no shares issued and outstanding as of december 31, 2007 and 2006
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of december 31, 2007 and 2006; 33,082,371 shares and 29,409,537 shares issued as of december 31, 2007 and 2006, respectively
                                                                           99,000             
      common stock non-voting, 0.003 par value, 10,000,000 authorized as of december 31, 2007 and 2006; 2,585,654 shares and 3,125,379 shares issued and outstanding as of december 31, 2007 and 2006, respectively
                                                                           9,000             
      warrants, 0 and 2,379,396 authorized, issued and outstanding as of december 31, 2007 and 2006, respectively
                                                                                        
      accounts receivable, including receivables from related parties of 6,411 and 8,579, respectively, net of allowance of 827 and 752 as of september 30, 2007 and december 31, 2006, respectively
                                                                            19,682,000            
      software development costs, net of amortization
                                                                            5,991,000 6,027,000 6,357,000 6,610,000 6,315,000 6,623,000 6,742,000 6,199,000     
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 118 and 110 as of september 30, 2007 and december 31, 2006, respectively
                                                                            9,423,000            
      preferred stock, 0.001 par value, 5,000,000 shares authorized with no shares issued and outstanding as of september 30, 2007 and december 31, 2006
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of september 30, 2007 and december 31, 2006; 33,010,307 shares and 29,409,537 shares issued as of september 30, 2007 and december 31, 2006, respectively
                                                                            99,000            
      common stock non-voting, 0.003 par value, 10,000,000 authorized as of september 30, 2007 and december 31, 2006; 2,585,654 shares and 3,125,379 shares issued and outstanding as of september 30, 2007 and december 31, 2006, respectively
                                                                            9,000            
      warrants, 0 and 2,379,396 authorized, issued and outstanding as of september 30, 2007 and december 31, 2006, respectively
                                                                                        
      accounts receivable, including receivables from related parties of 6,451 and 8,579, respectively, net of allowance of 706 and 752 as of june 30, 2007 and december 31, 2006, respectively
                                                                             19,007,000           
      accounts payable, accrued expenses, and other liabilities, including payables to related parties of 75 and 110 as of june 30, 2007 and december 31, 2006, respectively
                                                                             8,757,000           
      preferred stock, 0.001 par value, 5,000,000 shares authorized with no shares issued and outstanding as of june 30, 2007 and december 31, 2006
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of june 30, 2007 and december 31, 2006; 32,914,318 shares and 29,409,537 shares issued as of june 30, 2007 and december 31, 2006, respectively
                                                                             99,000           
      common stock non-voting, 0.003 par value, 10,000,000 authorized as of june 30, 2007 and december 31, 2006; 2,585,654 shares and 3,125,379 shares issued and outstanding as of june 30, 2007 and december 31, 2006, respectively
                                                                             9,000           
      warrants, 0 and 2,379,396 authorized, issued and outstanding as of june 30, 2007 and december 31, 2006, respectively
                                                                                        
      accounts receivable, including receivables from related parties of 6,688 and 8,579, respectively, net of allowance of 681 and 752 as of march 31, 2007 and december 31, 2006, respectively
                                                                              19,998,000          
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 59 and 110 as of march 31, 2007 and december 31, 2006, respectively
                                                                              8,464,000          
      preferred stock, 0.001 par value, 5,000,000 shares authorized and 0 shares issued and outstanding as of march 31, 2007 and december 31, 2006
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of march 31, 2007 and december 31, 2006; 29,969,460 shares and 29,409,537 shares issued as of march 31, 2007 and december 31, 2006, respectively
                                                                              90,000          
      common stock non-voting, 0.003 par value, 10,000,000 authorized as of march 31, 2007 and december 31, 2006; 3,125,379 shares issued and outstanding as of march 31, 2007 and december 31, 2006
                                                                              11,000          
      warrants, 2,198,391 and 2,379,396 authorized, issued and outstanding as of march 31, 2007 and december 31, 2006, respectively
                                                                              10,776,000          
      accounts receivable, including receivables from related parties of 8,579 and 6,751, respectively, net of allowance of 752 and 438 as of december 31, 2006 and 2005, respectively
                                                                               17,429,000         
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 110 and 88 as of december 31, 2006 and 2005, respectively
                                                                               5,514,000         
      preferred stock, 0.001 par value, 5,000,000 shares authorized and, 0 issued and outstanding as of december 31, 2006 and 2005
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of december 31, 2006 and 2005, 29,409,537 shares issued as of december 31, 2006 and 25,305,951 shares issued and outstanding as of december 31, 2005
                                                                               88,000         
      common stock non voting, 0.003 par value, 10,000,000 authorized as of december 31, 2006 and 2005, 3,125,379 shares issued and outstanding as of december 31, 2006 and 4,401,330 shares issued and outstanding as of december 31, 2005
                                                                               11,000         
      warrants, 2,379,396 issued and outstanding as of december 31, 2006 and 3,674,400 issued and outstanding as of december 31, 2005
                                                                               11,658,000         
      unearned compensation
                                                                                  -9,383,000 -2,021,000 -2,306,000 -2,460,000 -2,603,000  
      prepaid expenses
                                                                                1,204,000 1,196,000 1,591,000 2,871,000 5,288,000 4,867,000 3,148,000 2,801,000 
      other assets
                                                                                205,000 205,000 205,000 205,000 205,000 204,000 205,000 205,000 
      deferred license revenue
                                                                                347,000 465,000 652,000 926,000 1,339,000 1,586,000 2,003,000 2,804,000 
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 245 and 88 as of september 30, 2006 and december 31, 2005, respectively
                                                                                7,401,000        
      preferred stock, 0.001 par value, 5,000,000 shares authorized as of september 30, 2006 and december 31, 2005, 0 issued and outstanding as of september 30, 2006 and december 31, 2005
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of september 30, 2006 and december 31, 2005, 29,156,732 shares issued and outstanding as of september 30, 2006 and 25,305,951 shares issued and outstanding as of december 31, 2005
                                                                                86,000        
      common stock non voting, 0.003 par value, 10,000,000 authorized as of september 30, 2006 and december 31, 2005, 3,125,379 shares issued and outstanding as of september 30, 2006 and 4,401,330 issued and outstanding as of december 31, 2005
                                                                                11,000        
      warrants, 2,379,199 authorized and outstanding as of september 30, 2006 and 3,674,400 authorized and outstanding as of december 31, 2005
                                                                                11,658,000        
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 39 and 88 as of june 30, 2006 and december 31, 2005, respectively
                                                                                 5,738,000       
      preferred stock, 0.001 par value, 5,000,000 shares authorized as of june 30, 2006 and december 31, 2005, 0 issued and outstanding in 2006 and 2005
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of june 30, 2006 and december 31, 2005, 26,697,829 shares issued and outstanding in 2006 and 25,305,951 shares issued and outstanding in 2005
                                                                                 80,000       
      common stock non voting, 0.003 par value, 10,000,000 authorized as of june 30, 2006 and december 31, 2005, 3,976,013 shares issued and outstanding in 2006 and 4,401,330 issued and outstanding in 2005
                                                                                 12,000       
      warrants, 3,674,400 authorized and outstanding in 2006 and 2005
                                                                                 17,693,000 17,693,000      
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 85 and 88 as of march 31, 2006 and december 31, 2005, respectively
                                                                                  6,795,000      
      preferred stock, 0.001 par value, 5,000,000 shares authorized as of march 31, 2006 and december 31, 2005, 0 issued and outstanding in 2006 and 2005
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized as of march 31, 2006 and december 31, 2005, 26,171,809 shares issued and outstanding in 2006 and 25,305,951 shares issued and outstanding in 2005
                                                                                  79,000      
      common stock non voting, 0.003 par value, 10,000,000 authorized as of march 31, 2006 and december 31, 2005 and 4,401,330 issued and outstanding in 2006 and 2005
                                                                                  13,000      
      short-term investments, at market value
                                                                                       5,797,000 
      securities-available-for-sale
                                                                                   59,956,000     
      accounts receivable, including receivables from related parties of 6,751 and 7,225, respectively, net of allowance of 438 and 270 as of december 31, 2005 and 2004
                                                                                   14,796,000     
      securities
                                                                                        
      available-for-sale
                                                                                    55,437,000 65,163,000 27,885,000  
      held-to-maturity
                                                                                    1,998,000 3,975,000 13,940,000  
      software development costs
                                                                                    6,082,000 5,590,000 5,397,000 5,587,000 
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 0 and 530 as of september 30, 2005 and december 31, 2004, respectively
                                                                                    8,030,000    
      preferred stock, 0.001 par value, 5,000,000 shares authorized in 2005 and 2004, 0 outstanding in 2005 and 2004
                                                                                        
      common stock voting, 0.003 par value, 110,000,000 shares authorized in 2005 and 2004, 24,436,775 shares issued and outstanding in 2005 and 22,846,579 shares issued and outstanding in 2004
                                                                                    73,000    
      common stock non voting, 0.003 par value, 10,000,000 authorized in 2005 and 2004 and 4,401,330 issued and outstanding in 2005 and 2004
                                                                                    13,000 13,000 13,000  
      warrants, 4,469,899 authorized and outstanding in 2005 and 5,007,969 authorized and outstanding in 2004
                                                                                    22,042,000    
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 0 and 530 as of june 30, 2005 and december 31, 2004, respectively
                                                                                     7,442,000   
      common stock voting, 0.003 par value, 110,000,000 shares authorized in 2005 and 2004, 23,559,473 shares issued and outstanding in 2005 and 22,846,579 shares issued and outstanding in 2004
                                                                                     71,000   
      warrants, 5,007,969 authorized, issued and outstanding in 2005 and 2004
                                                                                     24,047,000 24,047,000  
      accounts payable, accrued expenses, and other liabilities, including payables to a related party of 0 and 530 as of march 31, 2005 and december 31, 2004, respectively
                                                                                      5,379,000  
      common stock voting, 0.003 par value, 110,000,000 shares authorized in 2005 and 2004, 23,032,141 shares issued and outstanding in 2005 and 22,846,579 shares issued and outstanding in 2004
                                                                                      69,000  
      liabilities, redeemable convertible preferred stock, and stockholders’ equity
                                                                                        
      accrued dividends on redeemable convertible preferred stock
                                                                                        
      accumulated other comprehensive income
                                                                                       -342,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.