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Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands | Total | Common Stock | Additional paid in capital | Retained Earnings | Accumulated Other Comprehensive Income
--- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2009 | $ 76,803 | $ 163 | $ 49,861 | $ 259 | $ 26,520
Beginning Balance, Shares at Dec. 31, 2009 |  | 16,268 |  |  |
Net income | 6,416 |  |  | 6,416 |
Stock option expense | 152 |  | 152 |  |
Shares issued for options | 753 | 1 | 752 |  |
Shares issued for options, Shares |  | 103 |  |  |
Actuarial loss recognized in change of projected benefit obligation (net of tax $0) | (392) |  |  |  | (392)
Restricted stock compensation expense | 1,101 | 3 | 1,098 |  |
Restricted stock compensation expense, shares |  | 249 |  |  |
Foreign currency translation gain (loss) | (6,726) |  |  |  | (6,726)
Ending Balance at Dec. 31, 2010 | 78,107 | 167 | 51,863 | 6,675 | 19,402
Ending Balance, Shares at Dec. 31, 2010 |  | 16,620 |  |  |
Net income | 20,937 |  |  | 20,937 |
Stock option expense | 480 |  | 480 |  |
Shares issued for options | 2,382 | 2 | 2,380 |  |
Shares issued for options, Shares |  | 254 |  |  |
Restricted stock compensation expense | 348 |  | 348 |  |
Restricted stock compensation expense, shares |  | 75 |  |  |
Foreign currency translation gain (loss) | (2,578) |  |  |  | (2,578)
Ending Balance at Dec. 31, 2011 | 99,676 | 169 | 55,071 | 27,612 | 16,824
Ending Balance, Shares at Dec. 31, 2011 |  | 16,949 |  |  |
Net income | 24,268 |  |  | 24,268 |
Stock option expense | 1,093 |  | 1,093 |  |
Shares issued for options | 22 |  | 22 |  |
Shares issued for options, Shares | 17 | 17 |  |  |
Restricted stock compensation expense | 695 | 1 | 694 |  |
Restricted stock compensation expense, shares |  | 78 |  |  |
Foreign currency translation gain (loss) | 2,806 |  |  |  | 2,806
Ending Balance at Dec. 31, 2012 | $ 128,560 | $ 170 | $ 56,880 | $ 51,880 | $ 19,630
Ending Balance, Shares at Dec. 31, 2012 |  | 17,044 |  |  |

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