Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Service revenue	$ 12,430	$ 20,067	$ 26,935	$ 43,292
Product revenue	12,005	9,701	24,469	19,686
Total revenue	24,435	29,768	51,404	62,978
Operating expenses:
Service costs (exclusive of amortization of intangible assets shown separately below)	6,676	9,550	14,847	19,699
Product costs	8,290	6,768	16,797	13,602
Sales and marketing	7,254	4,947	13,249	9,741
Product development	5,348	6,571	10,962	13,607
General and administrative	7,422	9,234	15,952	18,583
Amortization of intangible assets	3,114	7,225	6,146	11,936
Total operating expenses	38,104	44,295	77,953	87,168
Loss from operations	(13,669)	(14,527)	(26,549)	(24,190)
Interest income	23	181	25	361
Interest expense		(71)		(142)
Other income, net	38,182	19	39,162	2,846
Income (loss) before income taxes	24,536	(14,398)	12,638	(21,125)
Income tax expense	(69)	(10)	(80)	(32)
Net income (loss)	$ 24,467	$ (14,408)	$ 12,558	$ (21,157)
Net income (loss) per share
Basic	$ 1.20	$ (0.73)	$ 0.62	$ (1.07)
Diluted	$ 1.18	$ (0.73)	$ 0.61	$ (1.07)
Weighted average number of shares
Basic	20,389	19,841	20,301	19,807
Diluted	20,679	19,841	20,518	19,807