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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Nonvested restricted stock [Member] | Common stock [Member] | Preferred stock [Member] | Additional paid-in capital [Member] | Accumulated other comprehensive income (loss) [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2016 | $ (600) | $ 65 |  | $ 73,371 | $ (504) | $ 37,540 | $ 109,872
Balance, shares at Dec. 31, 2016 |  | 6,463,789 |  |  |  |  |
Net income |  |  |  |  |  | 13,045 | 13,045
Net issuance of common stock |  | $ 8 |  | 24,750 |  |  | 24,758
Net issuance of common stock, shares |  | 805,000 |  |  |  |  |
Proceeds from exercise of stock options |  |  |  | 705 |  |  | 705
Proceeds from exercise of stock options, shares |  | 74,437 |  |  |  |  |
Issuance of restricted stock | (201) |  |  | 201 |  |  |
Issuance of restricted stock, shares |  | 4,625 |  |  |  |  |
Compensation expense related to restricted stock, net of tax | 299 |  |  |  |  |  | 299
Compensation expense related to stock options, net of tax |  |  |  | 959 |  |  | 959
Other comprehensive income |  |  |  |  | 48 |  | 48
Balance at Dec. 31, 2017 | (502) | $ 73 |  | 99,986 | (456) | 50,585 | 149,686
Balance, shares at Dec. 31, 2017 |  | 7,347,851 |  |  |  |  |
Net income |  |  |  |  |  | 22,289 | 22,289
Proceeds from exercise of stock options |  | $ 2 |  | 898 |  |  | 900
Proceeds from exercise of stock options, shares |  | 105,630 |  |  |  |  |
Issuance of restricted stock | (558) |  |  | 558 |  |  |
Issuance of restricted stock, shares |  | 13,000 |  |  |  |  |
Compensation expense related to restricted stock, net of tax | 319 |  |  |  |  |  | 319
Compensation expense related to stock options, net of tax |  |  |  | 1,183 |  |  | 1,183
Other comprehensive income |  |  |  |  | (461) |  | (461)
Balance at Dec. 31, 2018 | (741) | $ 75 |  | 102,625 | (917) | 72,874 | 173,916
Balance, shares at Dec. 31, 2018 |  | 7,466,481 |  |  |  |  |
Net income |  |  |  |  |  | 27,858 | 27,858
Proceeds from exercise of stock options |  | $ 2 |  | 1,767 |  |  | 1,769
Proceeds from exercise of stock options, shares |  | 191,497 |  |  |  |  |
Issuance of restricted stock | (490) |  |  | 490 |  |  |
Issuance of restricted stock, shares |  | 14,700 |  |  |  |  |
Compensation expense related to restricted stock, net of tax | 428 |  |  |  |  |  | 428
Compensation expense related to stock options, net of tax |  |  |  | 1,270 |  |  | 1,270
Other comprehensive income |  |  |  |  | 619 |  | 619
Balance at Dec. 31, 2019 | $ (803) | $ 77 |  | $ 106,152 | $ (298) | $ 100,732 | $ 205,860
Balance, shares at Dec. 31, 2019 |  | 7,672,678 |  |  |  |  |

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