CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue	$ 34,347	$ 28,221	$ 96,581	$ 79,927
Operating expenses:
Cost of revenue	8,368	7,595	25,148	21,405
Product development	5,266	3,940	14,658	11,454
Sales and marketing	9,907	8,289	28,146	24,431
General and administrative	5,689	4,178	15,037	12,145
Amortization of intangibles	11	83	32	249
Total operating expenses	29,241	24,085	83,021	69,684
Income from operations	5,106	4,136	13,560	10,243
Other (expense) income:
Financial (expense) income	(780)	43	(418)	(47)
Interest income	18	30	48	83
Total other (expense) income, net	(762)	73	(370)	36
Income before provision for income taxes	4,344	4,209	13,190	10,279
Provision for income taxes	1,609	1,444	5,028	3,762
Net income	$ 2,735	$ 2,765	$ 8,162	$ 6,517
Basic net income per common share	$ 0.05	$ 0.05	$ 0.16	$ 0.13
Diluted net income per common share	$ 0.05	$ 0.05	$ 0.15	$ 0.12
Weighted average shares outstanding used in basic net income per common share calculation	53,109,824	50,976,468	52,642,700	50,578,801
Weighted average shares outstanding used in diluted net income per common share calculation	55,736,089	53,302,655	55,240,235	52,935,805