Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,390,115	$ 3,010,626
Adjustments to reconcile to net cash provided by operating activities:
Deferred tax (benefit) provision	(202,000)	1,604,000
Depreciation	763,197	415,812
Amortization of intangible assets	5,134,125	4,310,343
Stock based compensation charges	1,656,282	1,579,725
Changes in assets and liabilities:
Accounts receivable, net	728,961	6,623,910
Prepaid and other assets	(188,603)	(432,056)
Accrued expenses and other liabilities	550,295	(1,480,046)
Deferred revenue	(59,101)	(3,197,347)
Net cash provided by operating activities	9,773,271	12,434,967
CASH FLOWS FROM INVESTING ACTIVITIES:
Website and database development costs	(6,653,379)	(6,567,863)
Furniture, fixtures and equipment additions	(1,012,883)	(2,466,432)
Proceeds from sale of furniture, fixtures and equipment		2,091
Net cash (used in) investing activities	(7,666,262)	(9,032,204)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends	(5,911,617)	(5,813,374)
Proceeds from option exercises	2,935,000	153,000
Payments for option cancellations and restricted stock units		(701,159)
Payment of financing costs		(180,552)
Stock repurchases	(3,177,865)	(357,991)
Net cash (used in) financing activities	(6,154,482)	(6,900,076)
Net decrease in cash and cash equivalents	(4,047,473)	(3,497,313)
Cash and cash equivalents, beginning of period	21,490,586	28,657,956
Cash and cash equivalents, end of period	17,443,113	25,160,643
SUPPLEMENTAL INFORMATION:
Cash paid during the period for interest	37,917	29,722
Cash paid during the period for income taxes	202,484	635,692
SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrual for furniture, fixtures and equipment additions	(346,330)	38,766
Disposal of fully depreciated furniture, fixtures and equipment		64,039
Shares issued for vested employee restricted stock units	1,771	$ 1,048
Shares issued for option exercises	$ 5,700