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v3.19.2

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Consolidated Statements of Operations |  |  |  |
Net sales | $ 97,822 | $ 157,779 | $ 197,193 | $ 316,353
Cost of sales | 61,537 | 102,384 | 126,192 | 204,278
Gross profit | 36,285 | 55,395 | 71,001 | 112,075
Operating expenses, net: |  |  |  |
Research and development | 22,922 | 24,930 | 46,262 | 49,250
Selling, general, and administrative | 19,757 | 24,274 | 39,660 | 50,657
Amortization of intangible assets | 4,243 | 10,386 | 8,460 | 23,918
Restructuring | 616 | 2,917 | 2,046 | 5,612
Acquisition costs |  | 1,316 |  | 2,657
Asset impairment |  | 252,343 |  | 252,343
Other, net | (44) | 443 | (80) | 286
Total operating expenses, net | 47,494 | 316,609 | 96,348 | 384,723
Operating income (loss) | (11,209) | (261,214) | (25,347) | (272,648)
Interest income | 1,284 | 819 | 2,529 | 1,443
Interest expense | (5,495) | (5,264) | (10,941) | (10,511)
Income (loss) before income taxes | (15,420) | (265,659) | (33,759) | (281,716)
Income tax expense (benefit) | 145 | (28,025) | 336 | (28,255)
Net income (loss) | $ (15,565) | $ (237,634) | $ (34,095) | $ (253,461)
Income (loss) per common share: |  |  |  |
Basic (in dollars per share) | $ (0.33) | $ (5.02) | $ (0.72) | $ (5.35)
Diluted (in dollars per share) | $ (0.33) | $ (5.02) | $ (0.72) | $ (5.35)
Weighted average number of shares: |  |  |  |
Basic (in shares) | 47,112 | 47,311 | 47,145 | 47,332
Diluted (in shares) | 47,112 | 47,311 | 47,145 | 47,332

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