Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Operating revenue	$ 42,602	$ 33,281	$ 124,919	$ 97,091
Operating expenses:
Cost of services provided	8,710	7,418	24,931	21,908
Product development	4,964	3,294	14,385	10,228
Sales and marketing	3,440	1,685	9,553	4,759
General and administrative	5,785	6,249	18,240	16,914
Amortization and depreciation	1,749	1,553	5,617	4,433
Total operating expenses	24,648	20,199	72,726	58,242
Operating income	17,954	13,082	52,193	38,849
Interest income	100	163	429	378
Interest expense	(218)	(236)	(592)	(750)
Other non-operating income (loss)	33	3,917	(785)	5,678
Foreign currency exchange gain	(230)	523	2,635	859
Income before income taxes	17,639	17,449	53,880	45,014
Income tax benefit (expense)	(1,103)	(768)	168	(1,939)
Net income	$ 16,536	$ 16,681	$ 54,048	$ 43,075
Basic earnings per common share	$ 0.44	$ 0.48	$ 1.41	$ 1.24
Diluted earnings per common share	$ 0.41	$ 0.43	$ 1.31	$ 1.10
Basic weighted average shares outstanding	37,345	34,592	38,215	34,765
Diluted weighted average shares outstanding	40,449	39,020	41,400	39,218