Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 39,360	$ 37,565	$ 78,693	$ 74,525
Cost of revenues	3,630	2,940	7,683	5,382
Gross profit	35,730	34,625	71,010	69,143
Operating expenses:
Sales and marketing	16,061	18,702	32,326	34,833
General and administrative	9,303	8,295	18,747	16,689
Unexchanged merger shares			3,000	20,000
Total operating expenses	25,364	26,997	54,073	71,522
Income (loss) from operations	10,366	7,628	16,937	(2,379)
Other income (expense)	(16)	42	83	104
Income (loss) before income taxes	10,350	7,670	17,020	(2,275)
Income taxes	3,090	2,752	6,012	6,762
Net income (loss)	$ 7,260	$ 4,918	$ 11,008	$ (9,037)
Basic net income (loss) per share	$ 0.45	$ 0.30	$ 0.69	$ (0.55)
Diluted net income (loss) per share	$ 0.45	$ 0.30	$ 0.69	$ (0.55)
Shares used in computing basic net income (loss) per share	15,962	16,462	15,962	16,456
Shares used in computing diluted net income (loss) per share	16,006	16,585	16,012	16,456