CONSOLIDATED STATEMENTS OF INCOME (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues:
Portal revenues	$ 42,288,106	$ 43,850,010	$ 43,783,252	$ 40,355,066	$ 38,744,664	$ 39,763,232	$ 39,481,631	$ 37,186,137	$ 170,276,434	$ 155,175,664	$ 128,573,539
Software & services revenues	2,764,733	2,838,915	2,640,677	2,378,412	2,074,432	1,956,977	1,256,317	1,070,469	10,622,737	6,358,195	4,312,190
Total revenues	45,052,839	46,688,925	46,423,929	42,733,478	40,819,096	41,720,209	40,737,948	38,256,606	180,899,171	161,533,859	132,885,729
Operating expenses:
Cost of portal revenues, exclusive of depreciation & amortization	25,824,503	27,122,489	26,362,294	25,420,650	24,685,746	23,686,305	23,884,902	23,295,163	104,729,936	95,552,116	76,336,220
Cost of software & services revenues, exclusive of depreciation & amortization	962,221	1,062,767	1,008,960	996,969	955,308	1,093,214	1,002,885	928,958	4,030,917	3,980,365	2,896,456
Selling & administrative	7,350,510	6,275,587	8,419,671	6,685,990	6,016,791	6,503,567	8,102,849	7,303,233	28,731,758	27,926,440	25,650,798
Nonrecurring gain on acquisition of business, net of tax											(2,184,255)
Amortization of acquisition-related intangible assets	80,769	80,769	80,769	80,769	80,769	80,769	80,769	80,769	323,076	323,076	4,130,256
Depreciation & amortization	1,214,324	1,167,347	1,109,318	1,084,423	1,048,302	1,108,406	1,114,892	1,082,148	4,575,412	4,353,748	4,035,410
Total operating expenses	35,432,327	35,708,959	36,981,012	34,268,801	32,786,916	32,472,261	34,186,297	32,690,271	142,391,099	132,135,745	110,864,885
Operating income	9,620,512	10,979,966	9,442,917	8,464,677	8,032,180	9,247,948	6,551,651	5,566,335	38,508,072	29,398,114	22,020,844
Other income (expense), net	(28,831)	(9,727)	615	3,123	(9,419)	299	(1,353)	916	(34,820)	(9,557)	51,705
Income before income taxes	9,591,681	10,970,239	9,443,532	8,467,800	8,022,761	9,248,247	6,550,298	5,567,251	38,473,252	29,388,557	22,072,549
Income tax provision	4,068,644	4,139,018	3,910,303	3,412,805	2,964,128	3,196,085	2,620,676	2,244,621	15,530,770	11,025,510	8,126,556
Net income	$ 5,523,037	$ 6,831,221	$ 5,533,229	$ 5,054,995	$ 5,058,633	$ 6,052,162	$ 3,929,622	$ 3,322,630	$ 22,942,482	$ 18,363,047	$ 13,945,993
Basic net income per share (Note 2)	$ 0.08	$ 0.11	$ 0.09	$ 0.08	$ 0.08	$ 0.09	$ 0.06	$ 0.05	$ 0.35	$ 0.28	$ 0.22
Diluted net income per share (Note 2)	$ 0.08	$ 0.11	$ 0.09	$ 0.08	$ 0.08	$ 0.09	$ 0.06	$ 0.05	$ 0.35	$ 0.28	$ 0.22
Weighted average shares outstanding:
Basic	64,176,446	64,120,253	63,997,854	63,771,121	63,696,151	63,608,908	63,468,332	63,267,061	64,017,813	63,511,383	63,002,361
Diluted	64,324,735	64,199,973	64,060,660	63,831,274	63,884,339	63,678,249	63,528,929	63,339,721	64,156,669	63,609,080	63,080,165