CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 58,825	$ 49,446	$ 170,553	$ 146,496
Cost of revenue	13,766	10,236	40,263	29,509
Gross profit	45,059	39,210	130,290	116,987
Operating expenses:
Sales and marketing	20,955	17,235	61,759	53,005
Product and web site development	9,894	9,412	29,323	27,603
General and administrative	12,209	10,464	35,732	31,514
Amortization of intangible assets	1,110	500	3,172	1,294
Total operating expenses	44,168	37,611	129,986	113,416
Operating income	891	1,599	304	3,571
Interest expense, net	(917)	(1)	(944)
Earnings of unconsolidated joint venture	585	290	1,650	710
Other expense, net	(46)		(81)	(69)
Income from operations before income taxes	513	1,888	929	4,212
Income tax expense	375	103	425	175
Net income	138	1,785	504	4,037
Convertible preferred stock dividend and related accretion				(942)
Net income applicable to common stockholders	$ 138	$ 1,785	$ 504	$ 3,095
Basic net income per share applicable to common stockholders (in dollars per share)	$ 0.00	$ 0.05	$ 0.01	$ 0.08
Diluted net income per share applicable to common stockholders (in dollars per share)	$ 0.00	$ 0.04	$ 0.01	$ 0.08
Shares used to calculate basic and diluted income per share applicable to common stockholders:
Basic (in shares)	39,061	38,798	39,215	38,661
Diluted (in shares)	41,482	39,895	40,913	39,660