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Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statements of Operations
Net sales	$ 131,872	$ 85,482	$ 341,324	$ 238,842
Cost of sales	78,811	52,027	215,344	141,991
Gross profit	53,061	33,455	125,980	96,851
Operating expenses, net:
Research and development	24,061	19,892	57,669	63,545
Selling, general, and administrative	29,771	18,396	71,574	58,230
Amortization of intangible assets	12,500	5,261	21,722	15,785
Restructuring	5,010	1,798	9,605	3,993
Acquisition costs	783		16,277
Asset impairment	2	56,035	1,139	69,662
Other, net	(140)	795	(228)	884
Total operating expenses, net	71,987	102,177	177,758	212,099
Operating income (loss)	(18,926)	(68,722)	(51,778)	(115,248)
Interest income	357	283	1,933	879
Interest expense	(5,105)	(23)	(14,301)	(166)
Income (loss) before income taxes	(23,674)	(68,462)	(64,146)	(114,535)
Income tax expense (benefit)	(1,790)	1,136	(24,969)	2,677
Net income (loss)	$ (21,884)	$ (69,598)	$ (39,177)	$ (117,212)
Income (loss) per common share:
Basic (in dollars per share)	$ (0.47)	$ (1.78)	$ (0.91)	$ (2.99)
Diluted (in dollars per share)	$ (0.47)	$ (1.78)	$ (0.91)	$ (2.99)
Weighted average number of shares:
Basic (in shares)	46,941	39,131	43,100	39,193
Diluted (in shares)	46,941	39,131	43,100	39,193

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