Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 17,596,942	$ (4,283,582)	$ 1,886,427
Adjustments to reconcile to net cash provided by (used in) operating activities:
Deferred tax (benefit), net	(13,900,069)	(5,427,000)	(4,075,000)
Depreciation	332,576	354,953	351,595
Amortization of intangible assets	4,696,939	4,629,394	4,788,174
Stock based compensation charges	1,859,336	2,181,135	2,083,497
Changes in assets and liabilities:
Restricted cash and investments	(577)	(720)	790,078
Accounts receivable, net	(692,383)	(2,096,737)	364,159
Prepaid and other assets	95,149	2,755,777	(2,500,801)
Real estate assets			1,297,245
Accrued expenses and other liabilities	(681,666)	(7,305,528)	6,594,351
Liability for option cancellations	81,707	113,965	120,612
Deferred revenue	2,053,846	2,523,481	260,603
Net cash provided by (used in) operating activities	11,441,800	(6,554,862)	11,960,940
CASH FLOWS FROM INVESTING ACTIVITIES:
Web site and database development costs	(4,051,460)	(3,806,795)	(3,366,763)
Furniture, fixtures and equipment additions	(447,463)	(230,134)	(256,399)
Net cash (used in) investing activities	(4,498,923)	(4,036,929)	(3,623,162)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt		(5,690,940)	(5,531,050)
Repayments on capitalized equipment leases			(27,851)
Payments for option cancellations and restricted stock units	(1,390,265)	(909,221)	(389,461)
Proceeds from option exercises	46,437		48,120
Stock repurchases			(448,521)
Net cash (used in) financing activities	(1,343,828)	(6,600,161)	(6,348,763)
Net increase (decrease) in cash and cash equivalents	5,599,049	(17,191,952)	1,989,015
Cash and cash equivalents, beginning of year	4,960,850	22,152,802	20,163,787
Cash and cash equivalents, end of year	10,559,899	4,960,850	22,152,802
SUPPLEMENTAL INFORMATION:
Cash paid during the year for interest	24,236	42,008	191,425
Cash paid during the year for income taxes, net of refunds	723,228	77,856	48,559
SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Shares issued for vested employee restricted stock units	2,499	2,671	2,676
Shares issued for settlement of vested director restricted stock units		1,448	125
Exercise of stock options through the receipt of tendered shares		39,524
Disposal of fully amortized intangible assets			241,724
Disposal of fully depreciated furniture, fixtures and equipment	254,842	82,776	51,731
Release of accrued remediation liability obligation upon sale of real estate			$ 1,000,000