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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock [Member] | Treasury Stock [Member] | Capital Surplus [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Loss, Net [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2017 |  |  | $ 266 | $ (78,233) | $ 145,707 | $ 40,312 | $ (12,950)
New common shares issued for exercise of stock options |  |  | 0 |  | 56 |  |
Treasury stock, purchased at cost (161,554 shares for the three months ended June 30, 2019 and 273,865 and 105,663 shares for the six months ended June 30, 2019 and 2018, respectively) |  |  |  | (445) |  |  |
Stock option expense |  |  |  |  | 8 |  |
Net income | $ 3,511 |  |  |  |  | 3,511 |
Cash dividend declared on common stock |  |  |  |  |  | (632) |
Other comprehensive income (loss) | (717) | [1] |  |  |  |  | (717)
Balance at end of period at Jun. 30, 2018 | 96,883 |  | 266 | (78,678) | 145,771 | 43,191 | (13,667)
Balance at beginning of period at Mar. 31, 2018 |  |  | 266 | (78,678) | 145,739 | 41,807 | (13,324)
New common shares issued for exercise of stock options |  |  | 0 |  | 28 |  |
Treasury stock, purchased at cost (161,554 shares for the three months ended June 30, 2019 and 273,865 and 105,663 shares for the six months ended June 30, 2019 and 2018, respectively) |  |  |  | 0 |  |  |
Stock option expense |  |  |  |  | 4 |  |
Net income | 1,744 |  |  |  |  | 1,744 |
Cash dividend declared on common stock |  |  |  |  |  | (360) |
Other comprehensive income (loss) | (343) | [1] |  |  |  |  | (343)
Balance at end of period at Jun. 30, 2018 | 96,883 |  | 266 | (78,678) | 145,771 | 43,191 | (13,667)
Balance at beginning of period at Dec. 31, 2018 | 97,977 |  | 266 | (80,579) | 145,782 | 46,733 | (14,225)
New common shares issued for exercise of stock options |  |  | 0 |  | 96 |  |
Treasury stock, purchased at cost (161,554 shares for the three months ended June 30, 2019 and 273,865 and 105,663 shares for the six months ended June 30, 2019 and 2018, respectively) |  |  |  | (1,162) |  |  |
Stock option expense |  |  |  |  | 5 |  |
Net income | 3,670 |  |  |  |  | 3,670 |
Cash dividend declared on common stock |  |  |  |  |  | (785) |
Other comprehensive income (loss) | 1,675 | [1] |  |  |  |  | 1,675
Balance at end of period at Jun. 30, 2019 | 101,476 |  | 266 | (81,741) | 145,883 | 49,618 | (12,550)
Balance at beginning of period at Mar. 31, 2019 |  |  | 266 | (81,055) | 145,870 | 48,262 | (14,282)
New common shares issued for exercise of stock options |  |  | 0 |  | 11 |  |
Treasury stock, purchased at cost (161,554 shares for the three months ended June 30, 2019 and 273,865 and 105,663 shares for the six months ended June 30, 2019 and 2018, respectively) |  |  |  | (686) |  |  |
Stock option expense |  |  |  |  | 2 |  |
Net income | 1,792 |  |  |  |  | 1,792 |
Cash dividend declared on common stock |  |  |  |  |  | (436) |
Other comprehensive income (loss) | 1,732 | [1] |  |  |  |  | 1,732
Balance at end of period at Jun. 30, 2019 | $ 101,476 |  | $ 266 | $ (81,741) | $ 145,883 | $ 49,618 | $ (12,550)
[1] | Amounts in parentheses indicate debits on the Consolidated Balance Sheets.

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