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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2016 | $ 38 | $ 51,968 | $ 34,293 | $ (1,348) | $ 84,951 |
Net earnings |  |  | 4,588 |  | 4,588 | [1]
Other comprehensive income (loss) |  |  |  | 2,944 | 2,944 |
Dividends paid |  |  | (1,548) |  | (1,548) | [2]
Stock-based compensation |  | 77 |  |  | 77 |
Exercise of stock options | 1 | 22 |  |  | 23 |
Balance at Jun. 30, 2017 | 39 | 52,067 | 37,333 | 1,596 | 91,035 |
Balance at Dec. 31, 2017 | 41 | 57,772 | 30,214 | (405) | 87,622 |
Net earnings |  |  | 4,944 |  | 4,944 | [1]
Other comprehensive income (loss) |  |  |  | (5,084) | (5,084) |
Dividends paid |  |  | (1,651) |  | (1,651) |
Stock-based compensation |  | 100 |  |  | 100 |
Exercise of stock options |  | 484 |  |  | 484 |
Adjustment of common stock |  |  | 7 | (7) |  |
Balance at Jun. 30, 2018 | $ 41 | $ 58,356 | $ 33,514 | $ (5,496) | $ 86,415 |
[1] | Share and per share values for the periods ended June 30, 2017 have been adjusted to give effect to the 5% stock dividend paid during December 2017.
[2] | Dividends per share have been adjusted to give effect to the 5% stock dividends paid during December 2017, 2016 and 2015.

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