Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 251,519	$ 210,461	$ 229,681
Cost of revenues	174,172	159,205	142,725
Gross profit	77,347	51,256	86,956
Operating expenses:
Selling, distribution, and marketing	5,470	5,564	5,349
General and administrative	41,504	34,809	30,972
Research and development	37,065	28,427	33,019
Impairment of long-lived assets	206	439	126
Total operating expenses	84,245	69,239	69,466
Income (loss) from operations	(6,898)	(17,983)	17,490
Non-operating income (expense):
Interest income	315	243	187
Interest expense	(987)	(609)	(958)
Other income (expense), net	(2,794)	201	508
Total non-operating income (expense), net	(3,466)	(165)	(263)
Income (loss) before income taxes	(10,364)	(18,148)	17,227
Income tax expense (benefit)	(7,577)	(7,449)	5,365
Net income (loss)	$ (2,787)	$ (10,699)	$ 11,862
Net income (loss) per share:
Basic (in Dollars per share)	$ (0.06)	$ (0.25)	$ 0.31
Diluted (in Dollars per share)	$ (0.06)	$ (0.25)	$ 0.31
Weighted-average shares used to compute net income (loss) per share:
Basic (in Shares)	44,961,000	41,957,000	38,712,000
Diluted (in Shares)	44,961,000	41,957,000	38,883,000