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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Capital in excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2015 |  | 17,352,000 |  |  |  | (1,708,000)
Balance at Dec. 31, 2015 | $ 68,060 | $ 347 | $ 45,753 | $ 30,574 | $ (2,778) | $ (5,836)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net (loss) income | 1,783 |  |  | 1,783 |  |
Issuance of common stock upon the exercise of stock options (in shares) |  | 5,000 |  |  |  |
Issuance of common stock upon the exercise of stock options | 27 | $ 1 | 26 |  |  |
Net issuance of restricted stock awards (in shares) |  | 122,000 |  |  |  |
Net issuance of restricted stock awards | 2 | $ 2 |  |  |  |
Equity based compensation | 469 |  | 469 |  |  |
Stock options and awards tax benefits | (45) |  | (45) |  |  |
Foreign currency translation adjustments | $ (716) |  |  |  | (716) |
Balance (in shares) at Dec. 31, 2016 | 15,771,345 | 17,479,000 |  |  |  | (1,708,000)
Balance at Dec. 31, 2016 | $ 69,580 | $ 350 | 46,203 | 32,357 | (3,494) | $ (5,836)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Adoption of accounting standard | (578) |  |  | (578) |  |
Net (loss) income | $ (3,386) |  |  | (3,386) |  |
Issuance of common stock upon the exercise of stock options (in shares) | 271,000 | 271,000 |  |  |  |
Issuance of common stock upon the exercise of stock options | $ 1,500 | $ 5 | 1,495 |  |  |
Repurchase of common stock (in shares) |  | (54,000) |  |  |  |
Repurchase of common stock | (1) | $ (1) |  |  |  |
Net issuance of restricted stock awards (in shares) |  | (19,000) |  |  |  |
Net issuance of restricted stock awards | 0 | $ 0 |  |  |  |
Equity based compensation | 651 |  | 651 |  |  |
Foreign currency translation adjustments | $ 64 |  |  |  | 64 |
Balance (in shares) at Dec. 31, 2017 | 15,969,052 | 17,677,000 |  |  |  | (1,708,000)
Balance at Dec. 31, 2017 | $ 68,986 | $ 354 | $ 48,349 | $ 29,549 | $ (3,430) | $ (5,836)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Adoption of accounting standard | $ 578 |  |  |  |  |

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