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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings (Deficit) [Member] | Accumulated Other Comprehensive Losses [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
BALANCES at Dec. 31, 2013 | $ 322,379 | $ 705 | $ 625,971 | $ (277,128) | $ (18) | $ (27,151)
BALANCES (in shares) at Dec. 31, 2013 |  | 68,523,419 |  |  |  |
Net income for the year | 60,930 | $ 0 | 0 | 60,930 | 0 | 0
Foreign currency translation | (619) | 0 | 0 | 0 | (619) | 0
Stock-based compensation | 7,718 | $ 4 | 7,714 | 0 | 0 | 0
Stock-based compensation (in shares) |  | 392,470 |  |  |  |
Stock repurchase | (1,497) | $ 0 | 0 | 0 | 0 | (1,497)
Stock repurchase (in shares) |  | (113,203) |  |  |  |
Common stock issued in connection with: Stock option exercises | 1,921 | $ 0 | 1,921 | 0 | 0 | 0
Common stock issued in connection with: Stock option exercises (in shares) |  | 195,383 |  |  |  |
BALANCES at Dec. 31, 2014 | 390,832 | $ 709 | 635,606 | (216,198) | (637) | (28,648)
BALANCES (in shares) at Dec. 31, 2014 |  | 68,998,069 |  |  |  |
Net income for the year | 104,289 |  |  | 104,291 |  |
Foreign currency translation | (863) |  |  |  | (863) |
Stock-based compensation | 10,010 | $ 4 | 10,006 |  |  |
Stock-based compensation (in shares) |  | 396,389 |  |  |  |
Stock repurchase | (61,757) |  |  |  |  | (61,757)
Stock repurchase (in shares) |  | (4,651,570) |  |  |  |
Equity component of convertible senior notes repurchase | (4,714) |  | (4,714) |  |  |
Common stock issued in connection with: Stock option exercises | 2,012 | $ 2 | 2,010 |  |  |
Common stock issued in connection with: Stock option exercises (in shares) |  | 186,622 |  |  |  |
BALANCES at Dec. 31, 2015 | 439,811 | $ 715 | 642,908 | (111,907) | (1,500) | (90,405)
BALANCES (in shares) at Dec. 31, 2015 |  | 64,929,510 |  |  |  |
Net income for the year | 119,433 |  |  | 119,433 |  |
Foreign currency translation | (1,347) |  |  |  | (1,347) |
Stock-based compensation | 12,037 | $ 6 | 12,031 |  |  |
Stock-based compensation (in shares) |  | 615,066 |  |  |  |
Stock repurchase | (79,556) |  |  |  |  | (79,556)
Stock repurchase (in shares) |  | (5,832,387) |  |  |  |
Equity component of convertible senior notes repurchase | (18,883) |  | (18,883) |  |  |
Common stock dividends | (3,935) |  |  | (3,935) |  |
Common stock issued in connection with: Stock option exercises | 4,831 | $ 4 | 4,827 |  |  |
Common stock issued in connection with: Stock option exercises (in shares) |  | 417,442 |  |  |  |
BALANCES at Dec. 31, 2016 | $ 472,391 | $ 725 | $ 640,883 | $ 3,591 | $ (2,847) | $ (169,961)
BALANCES (in shares) at Dec. 31, 2016 |  | 60,129,631 |  |  |  |

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