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Stock Options and Restricted Stock Units (Details 1) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Stock Options and Restricted Stock Units |  |
Number of unvested options outstanding, beginning | 14,500 | 29,000
Number of unvested options vested | (14,500) | (14,500)
Number of unvested options forfeited/cancelled | 0 | 0
Number of unvested options outstanding, ending | 0 | 14,500
Weighted average exercise price outstanding, beginning | $ 12.87 | $ 12.87
Weighted average exercise price vested | 12.87 | 12.87
Weighted average exercise price forfeited/cancelled | 0 | 0
Weighted average exercise price outstanding, ending | 0 | 12.87
Weighted average grant date fair value, beginning | 5.47 | 5.47
Weighted average grant date fair value vested | 5.47 | 5.47
Weighted average grant date fair value forfeited/cancelled | 0 | 0
Weighted average grant date fair value, ending | $ 0 | $ 5.47

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