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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | [1] | Common Stock | Capital in Excess of Par Value | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment | [1] | Treasury Stock | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Common stock, par value (in USD per share) | $ 1 |  |  |  |  |  |  |
Balance at beginning of year (in shares) at Dec. 31, 2018 |  |  | 8,955,930 |  |  |  |  |
Balance at beginning of year at Dec. 31, 2018 | $ 99,173 | $ 1,937 | $ 9,006 | $ 15,623 | $ 77,338 | $ 1,937 | $ (1,234) | $ (1,560)
Net income | 7,221 |  |  |  | 7,221 |  |  |
Adjustment for foreign currency translation | 1,559 |  |  |  |  |  |  | 1,559
Stock-based compensation | 2,638 |  |  | 2,638 |  |  |  |
Shares issued (in shares) |  |  | 184,455 |  |  |  |  |
Shares issued | $ 0 |  | $ 184 | (184) |  |  |  |
Shares repurchased held in treasury (in shares) | (32,362) |  | (96,614) |  |  |  |  |
Shares repurchased held in treasury | $ (4,527) |  |  |  |  |  | (4,527) |
Balance at end of year (in shares) at Dec. 31, 2019 | 9,190,171 |  | 9,043,771 |  |  |  |  |
Balance at end of year at Dec. 31, 2019 | $ 108,001 |  | $ 9,190 | 18,077 | 86,496 |  | (5,761) | (1)
Common stock, par value (in USD per share) | $ 1 |  |  |  |  |  |  |
Net income | $ 15,113 |  |  |  | 15,113 |  |  |
Adjustment for foreign currency translation | 700 |  |  |  |  |  |  | 700
Stock-based compensation | 1,847 |  |  | 1,847 |  |  |  |
Shares issued (in shares) |  |  | 97,454 |  |  |  |  |
Shares issued | $ 15 |  | $ 98 | (83) |  |  |  |
Shares repurchased held in treasury (in shares) | (47,504) |  | (80,186) |  |  |  |  |
Shares repurchased held in treasury | $ (3,254) |  |  |  |  |  | (3,254) |
Balance at end of year (in shares) at Dec. 31, 2020 | 9,287,625 |  | 9,061,039 |  |  |  |  |
Balance at end of year at Dec. 31, 2020 | $ 122,422 |  | $ 9,288 | $ 19,841 | $ 101,609 |  | $ (9,015) | $ 699
Common stock, par value (in USD per share) | $ 1 |  |  |  |  |  |  |
[1] | The Company adopted the ASC No.842, Leases (ASC 842) on January 1, 2019 using the modified retrospective approach. See Note 12 - Leases for further details.

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