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v3.8.0.1

Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands | $0.001 Par Value Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 38 | $ 274,222 | $ (6,320) | $ (3,008) | $ 288,269 | $ 553,201
Balance (in shares) at Dec. 31, 2014 | 38,129,872 |  | (420,189) |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Employee equity plans activity | $ 2 | 43,749 |  | 0 | 0 | 43,751
Employee equity plans activity (in shares) | 1,699,536 |  |  |  |  |
Treasury stock |  |  | $ (100) | 0 |  | (100)
Treasury stock (in shares) |  |  | (2,641) |  |  |
Net income |  |  |  |  | 62,870 | 62,870
Foreign currency translation, net of tax |  |  |  | 295 | 0 | 295
Balance at Dec. 31, 2015 | $ 40 | 317,971 | $ (6,420) | (2,713) | 351,139 | 660,017
Balance (in shares) at Dec. 31, 2015 | 39,829,408 |  | (422,830) |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Employee equity plans activity | $ 1 | 34,464 |  | 0 | 0 | 34,465
Employee equity plans activity (in shares) | 1,167,482 |  |  |  |  |
Separation of Aptevo |  |  |  |  | (148,435) | (148,435)
Treasury stock |  |  | $ 0 | 0 |  | 0
Treasury stock (in shares) |  |  | 0 |  |  |
Net income |  |  |  | 0 | 51,776 | 51,776
Foreign currency translation, net of tax |  |  |  | (1,618) | 0 | (1,618)
Balance at Dec. 31, 2016 | $ 41 | 352,435 | $ (6,420) | (4,331) | 254,480 | $ 596,205
Balance (in shares) at Dec. 31, 2016 | 40,996,890 |  | (422,830) |  |  | 40,574,060
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Employee equity plans activity | $ 1 | 27,951 |  | 0 | 0 | $ 27,952
Employee equity plans activity (in shares) | 1,114,830 |  |  |  |  |
Shares issued to extinguish convertible notes | $ 8 | 238,030 |  |  |  | $ 238,038
Shares issued to extinguish convertible notes (in shares) | 8,508,088 |  |  |  |  | 8,508,088
Treasury stock |  |  | $ (33,077) | 0 |  | $ (33,077)
Treasury stock (in shares) |  |  | (791,613) |  |  | (800,000)
Net income |  |  |  | 0 | 82,594 | $ 82,594
Foreign currency translation, net of tax |  |  |  | 633 | 0 | 633
Balance at Dec. 31, 2017 | $ 50 | $ 618,416 | $ (39,497) | $ (3,698) | $ 337,074 | $ 912,345
Balance (in shares) at Dec. 31, 2017 | 50,619,808 |  | (1,214,443) |  |  | 49,405,365

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