CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue	$ 181,035	$ 132,515
Costs and expenses:
Cost of revenue (exclusive of depreciation and amortization shown separately below)	5,696	3,591
Selling and marketing expense	126,044	93,251
General and administrative expense	22,814	11,547
Product development	6,260	3,623
Depreciation	1,671	1,703
Amortization of intangibles	3,963	2,609
Change in fair value of contingent consideration	(741)	8,746
Severance	0	157
Litigation settlements and contingencies	(22)	404
Total costs and expenses	165,685	125,631
Operating income	15,350	6,884
Other income (expense):
Interest expense, net	(2,988)	(165)
Other (expense) income	34	0
Income before income taxes	12,396	6,719
Income tax benefit	23,461	1,079
Net income from continuing operations	35,857	7,798
Loss from discontinued operations, net of tax	(4,333)	(932)
Net income and comprehensive income	$ 31,524	$ 6,866
Weighted average shares outstanding:
Basic	12,090	11,827
Diluted	14,848	13,477
Income per share from continuing operations:
Basic (in dollars per share)	$ 2.97	$ 0.66
Diluted (in dollars per share)	2.41	0.58
Loss per share from discontinued operations:
Basic (in dollars per share)	(0.36)	(0.08)
Diluted (in dollars per share)	(0.29)	(0.07)
Net income per share:
Basic (in dollars per share)	2.61	0.58
Diluted (in dollars per share)	$ 2.12	$ 0.51