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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Common stock | Additional paid-in capital | Retained earnings | Accumulated other comprehensive income (loss) | Treasury stock
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2012 | $ 99,539 | $ 40 | $ 53,504 | $ 45,599 | $ 2,183 | $ (1,787)
Common stock, shares outstanding at Dec. 31, 2012 |  | 7,833,334 |  |  |  |
Net income | 13,746 |  |  | 13,746 |  |
Other comprehensive income | $ (2,525) |  |  |  | (2,525) |
Exercise of stock options, shares | 139,368 | 139,368 |  |  |  |
Exercise of stock options | $ 1,474 | $ 1 | 1,473 |  |  |
Share-based compensation - restricted shares, shares |  | 50,060 |  |  |  |
Share-based compensation - restricted shares | 660 |  | 660 |  |  |
Share-based compensation - tax benefits | 365 |  | 365 |  |  |
Cash dividends ($0.28 per share during 2013, $0.42 per share during 2014, and $0.44 per share during 2015) | (2,202) |  |  | (2,202) |  |
Treasury stock purchased, shares |  | (134,768) |  |  |  |
Treasury stock purchased | (1,782) |  |  |  |  | (1,782)
Ending balance at Dec. 31, 2013 | 109,275 | $ 41 | 56,002 | 57,143 | (342) | (3,569)
Common stock, shares outstanding at Dec. 31, 2013 |  | 7,887,994 |  |  |  |
Net income | 14,139 |  |  | 14,139 |  |
Other comprehensive income | 560 |  |  |  | 560 |
Issuance of common stock, shares |  | 720,162 |  |  |  |
Issuance of common stock | $ 16,557 | $ 3 | 16,554 |  |  |
Exercise of stock options, shares | 78,000 | 78,000 |  |  |  |
Exercise of stock options | $ 937 | $ 1 | 936 |  |  |
Share-based compensation - restricted shares, shares |  | 64,522 |  |  |  |
Share-based compensation - restricted shares | 887 |  | 887 |  |  |
Share-based compensation - tax benefits | 584 |  | 584 |  |  |
Cash dividends ($0.28 per share during 2013, $0.42 per share during 2014, and $0.44 per share during 2015) | (3,396) |  |  | (3,396) |  |
Treasury stock purchased, shares |  | (78,824) |  |  |  |
Treasury stock purchased | (1,795) |  |  |  |  | (1,795)
Ending balance at Dec. 31, 2014 | $ 137,748 | $ 45 | 74,963 | 67,886 | 218 | (5,364)
Common stock, shares outstanding at Dec. 31, 2014 | 8,671,854 | 8,671,854 |  |  |  |
Net income | $ 16,514 |  |  | 16,514 |  |
Other comprehensive income | (298) |  |  |  | (298) |
Common Stock Issued During Period, Value, Stock Splits | $ 0 | $ (44) | 44 |  |  |
Exercise of stock options, shares | 24,000 | 24,000 |  |  |  |
Exercise of stock options | $ 300 | $ 0 | 300 |  |  |
Share-based compensation - restricted shares, shares |  | 45,347 |  |  |  |
Share-based compensation - restricted shares | 1,063 |  | 1,063 |  |  |
Share-based compensation - tax benefits | 267 |  | 267 |  |  |
Cash dividends ($0.28 per share during 2013, $0.42 per share during 2014, and $0.44 per share during 2015) | (3,816) |  |  | (3,816) |  |
Treasury stock purchased, shares |  | (41,791) |  |  |  |
Treasury stock purchased | (946) |  |  |  |  | (946)
Ending balance at Dec. 31, 2015 | $ 150,832 | $ 89 | $ 76,549 | $ 80,584 | $ (80) | $ (6,310)
Common stock, shares outstanding at Dec. 31, 2015 | 8,699,410 | 8,699,410 |  |  |  |

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