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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Preferred Stock | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 75,683 | $ 13,983 | $ 12,569 | $ 15,461 | $ 34,379 | $ 918 | $ (1,627)
Net income | 7,619 |  |  |  | 7,619 |  |
Other comprehensive loss | (268) |  |  |  |  | (268) |
Dividends on common stock | (983) |  |  |  | (983) |  |
Dividends on preferred stock | (956) |  |  |  | (956) |  |
Restricted stock vesting |  |  |  | (69) |  |  | 69
Stock options exercised | 67 |  |  | (35) |  |  | 102
Stock buyback | (2) |  |  |  |  |  | (2)
Share based compensation expense | 81 |  |  | 81 |  |  |
Balance at Dec. 31, 2015 | 81,241 | 13,983 | 12,569 | 15,438 | 40,059 | 650 | (1,458)
Net income | 8,784 |  |  |  | 8,784 |  |
Other comprehensive loss | (599) |  |  |  |  | (599) |
Dividends on common stock | (1,180) |  |  |  | (1,180) |  |
Dividends on preferred stock | (975) |  |  |  | (975) |  |
Restricted stock vesting |  |  |  | (97) |  |  | 97
Stock options exercised | 331 |  |  | (93) |  |  | 424
Stock buyback | (1,168) |  |  |  |  |  | (1,168)
Share based compensation expense | 114 |  |  | 114 |  |  |
Balance at Dec. 31, 2016 | 86,548 | 13,983 | 12,569 | 15,362 | 46,688 | 51 | (2,105)
Net income | 11,065 |  |  |  | 11,065 |  |
Reclassification of stranded tax effects due to TCJA |  |  |  |  | 23 | (23) |
Other comprehensive loss | (169) |  |  |  |  | (169) |
Dividends on common stock | (1,362) |  |  |  | (1,362) |  |
Dividends on preferred stock | (975) |  |  |  | (975) |  |
Restricted stock vesting |  |  |  | (144) |  |  | 144
Stock options exercised | 375 |  |  | (116) |  |  | 491
Stock buyback | (1,785) |  |  |  |  |  | (1,785)
Share based compensation expense | 303 |  |  | 303 |  |  |
Balance at Dec. 31, 2017 | $ 94,000 | $ 13,983 | $ 12,569 | $ 15,405 | $ 55,439 | $ (141) | $ (3,255)

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