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Stock Options and Restricted Stock - Restricted Stock Awards (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Compensation expense |  |  |
Weighted-average period for non vested restricted stock awards | 3 years |  |
Restricted Stock Awards |  |  |
Number of Shares |  |  |
Vesting period | 4 years |  |
Nonvested Awards at beginning of period | 38,762 | 75,113 |
Vested | (35,101) | (35,351) |
Forfeited | (250) | (1,000) |
Nonvested Awards at end of period | 3,411 | 38,762 | 75,113
Weighted Average Grant Date Fair Value |  |  |
Nonvested Awards at beginning of period | $ 12.50 | $ 12.59 |
Vested | 12.69 | 12.69 |
Forfeited | 12.92 | 12.92 |
Nonvested Awards at end of period | $ 10.53 | $ 12.50 | $ 12.59
Compensation expense |  |  |
Compensation expense recognized | $ 417 | $ 448 | $ 455
Unrecognized compensation cost | $ 13 |  |
Weighted-average period for non vested restricted stock awards | 4 months 24 days |  |
Shares issued for services on board of directors | 44,753 |  |
Value of shares issued for services on board of directors | $ 481 |  |

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