CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue	$ 197,057	$ 171,494	$ 562,193	$ 456,782
Costs and expenses:
Cost of revenue (exclusive of depreciation and amortization shown separately below)	10,838	4,388	22,577	12,143
Selling and marketing expense	124,400	118,538	374,390	320,930
General and administrative expense	22,980	17,920	70,553	41,561
Product development	6,608	4,805	18,835	12,492
Depreciation	1,895	1,798	5,199	5,309
Amortization of intangibles	5,701	3,817	13,628	9,034
Change in fair value of contingent consideration	2,105	2,501	1,197	20,640
Severance	2,328	0	2,331	404
Litigation settlements and contingencies	(88)	272	(280)	961
Total costs and expenses	176,767	154,039	508,430	423,474
Operating income	20,290	17,455	53,763	33,308
Other income (expense):
Interest expense, net	(2,393)	(2,804)	(8,305)	(4,048)
Other expense	(69)	(228)	(106)	(215)
Income before income taxes	17,828	14,423	45,352	29,045
Income tax benefit (expense)	10,534	(4,292)	63,716	(3,109)
Net income from continuing operations	28,362	10,131	109,068	25,936
Loss from discontinued operations, net of tax	(2,634)	(1,011)	(9,269)	(2,632)
Net income and comprehensive income	$ 25,728	$ 9,120	$ 99,799	$ 23,304
Weighted average shares outstanding:
Basic	12,799	11,999	12,437	11,931
Diluted	13,850	13,774	14,299	13,625
Income per share from continuing operations:
Basic (in dollars per share)	$ 2.22	$ 0.84	$ 8.77	$ 2.17
Diluted (in dollars per share)	2.05	0.74	7.63	1.90
Loss per share from discontinued operations:
Basic (in dollars per share)	(0.21)	(0.08)	(0.75)	(0.22)
Diluted (in dollars per share)	(0.19)	(0.07)	(0.65)	(0.19)
Net income per share:
Basic (in dollars per share)	2.01	0.76	8.02	1.95
Diluted (in dollars per share)	$ 1.86	$ 0.66	$ 6.98	$ 1.71