Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements of Operations [Abstract]
Subscription revenue	$ 7,522,085	$ 6,836,510	$ 14,820,457	$ 13,453,878
Cost of sales of subscription revenue	1,685,496	1,522,854	3,531,210	3,073,238
Gross profit	5,836,589	5,313,656	11,289,247	10,380,640
Operating expenses:
Sales and marketing	1,821,604	1,680,080	3,550,923	3,332,494
Product development	566,405	507,061	1,079,999	988,158
General and administrative expenses	2,976,316	2,976,688	5,928,584	5,752,493
Total operating expenses	5,364,325	5,163,829	10,559,506	10,073,145
Other income (expenses):
Interest and other income	16,207	22,101	32,272	42,325
Interest expense	(74,439)	(71,299)	(127,602)	(149,662)
Total other income (expenses)	(58,232)	(49,198)	(95,330)	(107,337)
Income before income taxes and discontinued operations	414,032	100,629	634,411	200,158
Income tax (benefit)	(84,000)
Income from continuing operations	498,032	100,629	634,411	200,158
Income (loss) from discontinued operations, net of income tax expense of $79,000, $0, $0 and $0, respectively	1,695,203	1,341,980	(12,650,052)	1,252,250
Net income (loss) for basic calculation	$ 2,193,235	$ 1,442,609	$ (12,015,641)	$ 1,452,408
Per share amounts - basic:
Income from continuing operations	$ 0.05	$ 0.01	$ 0.06	$ 0.02
Net income (loss)	$ 0.21	$ 0.14	$ (1.13)	$ 0.14
Per share amounts - diluted:
Income from continuing operations	$ 0.05	$ 0.01	$ 0.06	$ 0.02
Net income (loss)	$ 0.20	$ 0.13	$ (1.10)	$ 0.13
Weighted average number of common shares outstanding:
Basic	10,686,469	10,587,923	10,655,022	10,558,694
Diluted	10,950,417	10,914,276	10,963,826	10,826,251