Consolidated Statements of Operations - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Income Statement [Abstract] | ||||
| Net sales | $ 192,296 | $ 154,382 | $ 507,507 | $ 481,282 |
| Cost of sales | 153,157 | 119,683 | 397,370 | 376,320 |
| Gross profit | 39,139 | 34,699 | 110,137 | 104,962 |
| Operating expenses | ||||
| Selling, general and administrative expenses | 20,082 | 22,107 | 65,982 | 75,725 |
| Research and development expenses | 18,439 | 20,450 | 54,432 | 64,541 |
| Restructuring gain | (7,785) | |||
| Total operating expenses | 38,521 | 42,557 | 112,629 | 140,266 |
| Operating income (loss) | 618 | (7,858) | (2,492) | (35,304) |
| Interest expense | (4,055) | (4,075) | (12,185) | (12,187) |
| Foreign currency gain (loss), net | 33,174 | (44,139) | 34,268 | (59,611) |
| Other income, net | 887 | 256 | 2,429 | 1,162 |
| Income (loss) before income taxes | 30,624 | (55,816) | 22,020 | (105,940) |
| Income tax expenses | 758 | 1,250 | 1,845 | 1,781 |
| Net income (loss) | $ 29,866 | $ (57,066) | $ 20,175 | $ (107,721) |
| Income (loss) per common share- | ||||
| Basic | $ 0.86 | $ (1.65) | $ 0.58 | $ (3.14) |
| Diluted | $ 0.85 | $ (1.65) | $ 0.58 | $ (3.14) |
| Weighted average number of shares- | ||||
| Basic | 34,849,805 | 34,664,246 | 34,755,276 | 34,273,265 |
| Diluted | 35,302,706 | 34,664,246 | 35,077,315 | 34,273,265 |