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Consolidated Statements of Changes in Stockholders' Equity - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands | Common Stock [Member] | Surplus [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Loss [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2017 | $ 626 | $ 47,431 | $ 70,426 | $ (77) | $ (2,667) | $ 115,739 |
Beginning balance, shares at Dec. 31, 2017 | 6,256,063 |  |  | 2,608 |  |  |
Net income |  |  | 10,352 |  |  | 10,352 |
Other comprehensive loss |  |  |  |  | (5,825) | (5,825) | [1]
Cash dividends declared |  |  | (4,133) |  |  | (4,133) |
Compensation expense related to restricted stock |  | 154 |  |  |  | 154 |
Acquisition of treasury stock |  |  |  | $ (179) |  | (179) |
Acquisition of treasury stock, shares |  |  |  | 5,446 |  |  |
Stock options exercised | $ 2 | 325 |  | $ 68 |  | $ 395 |
Stock options exercised, shares | 18,450 |  |  | (2,325) |  | (20,775) |
Compensation expense related to stock options |  | 177 |  |  |  | $ 177 |
Ending balance, shares at Sep. 30, 2018 | 6,274,513 |  |  | 5,729 |  |  |
Ending balance at Sep. 30, 2018 | $ 628 | $ 48,087 | $ 76,645 | $ (188) | $ (8,492) | $ 116,680 |
[1] | All amounts are net of tax. Amounts in parentheses indicate debits.

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