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Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | Total | Common Stock [Member] | Additional Paid In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive (Loss) Income [Member]
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2010 | $ 226,292 | $ 93 | $ 107,578 | $ 120,477 | $ (1,856)
Balance, Shares at Dec. 31, 2010 |  | 9,298,156 |  |  |
Net income (loss) | 12,660 |  |  | 12,660 |
Other comprehensive (loss) income: |  |  |  |  |
Foreign currency cash flow hedge, net of tax expense | 211 |  |  |  | 211
Pension liability adjustment, net of tax benefit | (667) |  |  |  | (667)
Issuance of common stock under stock compensation plans | 67 | 1 | 66 |  |
Issuance of common stock under stock compensation plans, shares |  | 55,045 |  |  |
Tax benefit from stock compensation plans | 243 |  | 243 |  |
Stock-based compensation expense | 1,461 |  | 1,461 |  |
Balance at Dec. 31, 2011 | 240,267 | 94 | 109,348 | 133,137 | (2,312)
Balance, Shares at Dec. 31, 2011 |  | 9,353,201 |  |  |
Net income (loss) | 16,244 |  |  | 16,244 |
Other comprehensive (loss) income: |  |  |  |  |
Foreign currency cash flow hedge, net of tax expense | (99) |  |  |  | (99)
Pension liability adjustment, net of tax benefit | 138 |  |  |  | 138
Issuance of common stock under stock compensation plans | (175) |  | (175) |  |
Issuance of common stock under stock compensation plans, shares |  | 29,793 |  |  |
Tax benefit from stock compensation plans | 9 |  | 9 |  |
Stock-based compensation expense | 3,048 |  | 3,048 |  |
Balance at Dec. 31, 2012 | 259,432 | 94 | 112,230 | 149,381 | (2,273)
Balance, Shares at Dec. 31, 2012 |  | 9,382,994 |  |  |
Net income (loss) | (923) |  |  | (923) |
Other comprehensive (loss) income: |  |  |  |  |
Foreign currency cash flow hedge, net of tax expense | 99 |  |  |  | 99
Pension liability adjustment, net of tax benefit | 913 |  |  |  | 913
Issuance of common stock under stock compensation plans | (730) |  | (730) |  |
Issuance of common stock under stock compensation plans, shares |  | 66,305 |  |  |
Tax deficiency from stock compensation plans | (1) |  | (1) |  |
Stock-based compensation expense | 3,060 |  | 3,060 |  |
Balance at Dec. 31, 2013 | $ 261,850 | $ 94 | $ 114,559 | $ 148,458 | $ (1,261)
Balance, Shares at Dec. 31, 2013 |  | 9,449,299 |  |  |

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