Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 669,102	$ 250,434
Adjustments to reconcile to net cash provided by operating activities:
Deferred tax provision	370,000	166,000
Depreciation	91,760	78,496
Amortization of intangible assets	1,153,077	1,134,764
Stock based compensation charges	447,969	491,521
Changes in assets and liabilities:
Restricted cash and investments	(133)	(160)
Accounts receivable, net	6,262,413	4,757,092
Prepaid and other assets	575	(53,521)
Accrued expenses and other liabilities	(1,407,703)	(1,546,853)
Liability for option cancellations	(12,850)	88,974
Deferred revenue	(1,033,156)	(1,350,660)
Net cash provided by operating activities	6,541,054	4,016,087
CASH FLOWS FROM INVESTING ACTIVITIES:
Web site and database development costs	(1,078,270)	(1,086,475)
Furniture, fixtures and equipment additions	(103,144)	(122,084)
Cash (used in) investing activities	(1,181,414)	(1,208,559)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments for option cancellations and restricted stock units	(131,778)	(1,109,475)
Cash (used in) financing activities	(131,778)	(1,109,475)
Net increase in cash and cash equivalents	5,227,862	1,698,053
Cash and cash equivalents, beginning of period	10,559,899	4,960,850
Cash and cash equivalents, end of period	15,787,761	6,658,903
SUPPLEMENTAL INFORMATION:
Cash paid during the period for interest	6,389
Cash paid during the period for income taxes, net of refunds	37,121	15,183
SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Shares issued for vested employee restricted stock units	2,893	2,184
Shares issued for settlement of vested director restricted stock units	811
Disposal of fully depreciated furniture, fixtures and equipment	$ 35,599	$ 17,572