Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Operations [Abstract]
Subscription revenue	$ 8,498,309	$ 7,522,085	$ 16,732,637	$ 14,820,457
Cost of sales of subscription revenue	1,674,793	1,685,496	3,356,197	3,531,210
Gross profit	6,823,516	5,836,589	13,376,440	11,289,247
Operating expenses:
Sales and marketing	2,031,618	1,821,604	4,000,584	3,550,923
Product development	792,199	566,405	1,513,765	1,079,999
General and administrative expenses	3,104,751	2,976,316	6,274,062	5,928,584
Total operating expenses	5,928,568	5,364,325	11,788,411	10,559,506
Other income (expenses):
Interest and other income	2,331	16,207	4,529	32,272
Interest expense	(28,283)	(74,439)	(56,496)	(127,602)
Total other income (expenses)	(25,952)	(58,232)	(51,967)	(95,330)
Income before income taxes and discontinued operations	868,996	414,032	1,536,062	634,411
Income tax expense (benefit)	347,000	(84,000)	612,000
Income from continuing operations	521,996	498,032	924,062	634,411
(Loss) income from discontinued operations, net of income tax (benefit) expense of $(24,000), $79,000, $(123,000) and $, 0 respectively	(38,290)	1,695,203	(189,922)	(12,650,052)
Net income (loss)	$ 483,706	$ 2,193,235	$ 734,140	$ (12,015,641)
Per share amounts - basic:
Income from continuing operations	$ 0.05	$ 0.05	$ 0.09	$ 0.06
Net income (loss)	$ 0.04	$ 0.21	$ 0.07	$ (1.13)
Per share amounts - diluted:
Income from continuing operations	$ 0.05	$ 0.05	$ 0.08	$ 0.06
Net income (loss)	$ 0.04	$ 0.20	$ 0.06	$ (1.10)
Weighted average number of common shares outstanding:
Basic	10,891,993	10,686,469	10,860,370	10,655,022
Diluted	11,398,094	10,950,417	11,368,882	10,963,826