Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Revenue, including related party revenue of $1,862, $1,688, $3,270, and $3,078, respectively	$ 23,103	$ 19,857	$ 45,193	$ 38,648
Cost of revenue	5,320	5,389	11,425	9,845
Gross profit	17,783	14,468	33,768	28,803
Operating expenses:
Research and development	3,444	4,029	8,314	7,638
Sales and marketing	2,384	2,532	6,001	5,026
General and administrative	4,675	9,731	15,199	20,026
Total operating expenses	10,503	16,292	29,514	32,690
Total operating expenses	7,280	(1,824)	4,254	(3,887)
Other income (expense):
Interest expense	(44)	0	(44)	0
Interest income	107	139	273	276
Total other income (expense)	63	139	229	276
Income (loss) before income taxes	7,343	(1,685)	4,483	(3,611)
Income tax expense (benefit)	2,919	(625)	2,049	(1,126)
Net income (loss)	4,424	(1,060)	2,434	(2,485)
Total comprehensive income (loss)	$ 4,424	$ (1,060)	$ 2,434	$ (2,485)
Pro Forma earnings (loss) per share:
Basic (in dollars per share)	$ 0.10	$ (0.02)	$ 0.06	$ (0.06)
Diluted (in dollars per share)	$ 0.10	$ (0.02)	$ 0.06	$ (0.06)
Pro Forma shares used in computing earnings (loss) per share:
Basic (in shares)	42,703	42,703	42,703	42,703
Diluted (in shares)	42,703	42,703	42,703	42,703