Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Operating revenue	$ 42,267	$ 32,207	$ 82,317	$ 63,810
Operating expenses:
Cost of services provided	8,914	7,427	16,221	14,490
Product development	4,802	3,571	9,421	6,934
Sales and marketing	3,261	1,748	6,113	3,074
General and administrative	4,694	5,005	12,455	10,665
Amortization and depreciation	1,991	1,448	3,868	2,880
Total operating expenses	23,662	19,199	48,078	38,043
Operating income	18,605	13,008	34,239	25,767
Interest income	129	127	329	215
Interest expense	(159)	(246)	(374)	(514)
Other non-operating income	(464)	1,444	(818)	1,761
Foreign currency exchange gain	1,397	233	2,865	336
Income before income taxes	19,508	14,566	36,241	27,565
Income tax expense	2,840	(556)	1,271	(1,171)
Net income	$ 22,348	$ 14,010	$ 37,512	$ 26,394
Basic earnings per common share	$ 0.57	$ 0.40	$ 0.97	$ 0.76
Diluted earnings per common share	$ 0.53	$ 0.36	$ 0.90	$ 0.67
Basic weighted average shares outstanding	39,159	34,958	38,658	34,853
Diluted weighted average shares outstanding	42,344	39,275	41,882	39,305