Consolidated Statements of Operations and Comprehensive Income (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Revenue
Subscription	$ 18,795,370	$ 19,927,431
Content license	2,165,169	2,217,325
Management information reports	650,909	627,506
Other	341,012	391,133
Total revenue	21,952,460	23,163,395
Cost of revenue (exclusive of depreciation and amortization included below)	3,497,271	3,602,115
Gross margin	18,455,189	19,561,280
Operating expenses:
Sales and marketing	11,065,096	10,634,304
Technology and development	4,130,396	3,913,764
General and administrative	3,338,606	4,112,714
Total operating expenses	18,534,098	18,660,782
(Loss) / Income from operations	(78,909)	900,498
Interest and other income, net	45,338	37,174
(Loss) / Income before income tax	(33,571)	937,672
Benefit for income taxes	1,559,000	616,000
Net income	1,525,429	1,553,672
Unrealized gain on available-for-sale securities	500	1,946
Comprehensive income	$ 1,525,929	$ 1,555,618
Basic net income per common share (in Dollars per share)	$ 0.18	$ 0.18
Diluted net income per common share (in Dollars per share)	$ 0.17	$ 0.18
Basic weighted average shares outstanding (in Shares)	8,519,058	8,468,375
Diluted weighted average shares outstanding (in Shares)	8,854,647	8,508,692