Condensed Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue
Subscription	$ 4,761	$ 4,703
Content license	493	537
Management information reports	166	145
Other	78	111
Total revenue	5,498	5,496
Cost of revenue (exclusive of depreciation and amortization included below)	923	860
Gross margin	4,575	4,636
Operating expenses:
Sales and marketing	2,859	2,747
Technology and development	998	1,042
General and administrative	847	803
Total operating expenses	4,704	4,592
(Loss) / Income from operations	(129)	44
Interest and other income, net	9	16
Net (loss) / income	(120)	60
Unrealized gain / (loss) on available-for-sale securities	0	0
Comprehensive (loss) / income	$ (120)	$ 60
Basic net (loss) / income per common share (in Dollars per share)	$ (0.01)	$ 0.01
Diluted net (loss) / income per common share (in Dollars per share)	$ (0.01)	$ 0.01
Basic weighted average shares outstanding (in Shares)	8,554	8,505
Diluted weighted average shares outstanding (in Shares)	8,554	8,802