Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations
Revenues	$ 62,127	$ 55,838	$ 121,745	$ 110,931
Cost of revenues	22,412	20,360	44,978	41,560
Gross margin	39,715	35,478	76,767	69,371
Operating expenses:
Selling and marketing	14,280	12,880	27,526	25,509
Software development	5,135	4,123	10,403	8,320
General and administrative	15,845	13,452	26,744	24,727
Purchase amortization	546	532	1,089	1,222
Total operating expenses	35,806	30,987	65,762	59,778
Income from operations	3,909	4,491	11,005	9,593
Interest and other income, net	178	196	380	434
Income before income taxes	4,087	4,687	11,385	10,027
Income tax expense, net	1,450	1,436	4,216	3,887
Net income	$ 2,637	$ 3,251	$ 7,169	$ 6,140
Net income per share - basic (in dollars per shares)	$ 0.12	$ 0.16	$ 0.34	$ 0.30
Net income per share - diluted (in dollars per shares)	$ 0.12	$ 0.16	$ 0.33	$ 0.30
Weighted average outstanding shares - basic (in shares)	22,011	20,278	21,271	20,275
Weighted average outstanding shares - diluted (in shares)	22,426	20,624	21,695	20,635