CONDENSED 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
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 68,033	$ 53,853	$ 127,399	$ 110,739
Cost of revenues	36,319	40,535	70,783	84,141
Gross profit	31,714	13,318	56,616	26,598
Operating expenses:
Selling, distribution, and marketing	1,332	1,470	2,684	2,992
General and administrative	9,458	11,308	20,328	23,759
Research and development	10,480	10,726	18,868	17,294
Impairment of long-lived assets	114	74	331	74
Total operating expenses	21,384	23,578	42,211	44,119
Income (loss) from operations	10,330	(10,260)	14,405	(17,521)
Non-operating income (expense):
Interest income	50	65	124	157
Interest expense	(305)	(210)	(689)	(551)
Other income (expense), net	(323)	176	(272)	1,489
Total non-operating income (expense), net	(578)	31	(837)	1,095
Income (loss) before income taxes	9,752	(10,229)	13,568	(16,426)
Income tax expense (benefit)	2,857	(3,582)	4,184	(9,114)
Net income (loss)	$ 6,895	$ (6,647)	$ 9,384	$ (7,312)
Net income (loss) per share:
Basic (in Dollars per share)	$ 0.15	$ (0.15)	$ 0.21	$ (0.16)
Diluted (in Dollars per share)	$ 0.15	$ (0.15)	$ 0.21	$ (0.16)
Weighted-average shares used to compute net income (loss) per share:
Basic (in Shares)	44,957	44,849	44,999	44,725
Diluted (in Shares)	45,968	44,849	45,712	44,725