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Stock Options (Tables) | 6 Months Ended
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Jun. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of stock option activity | The following table summarizes the stock option activity during the six months ended June 30, 2023:
| Number of Shares |  | Weighted- Average Remaining Contractual Life |  | Weighted- Average Exercise Price
Outstanding at December 31, 2022 | 1,351,421 |  | 6.49 |  | $ | 15.09 |
Granted | – |  | – |  | $ | – |
Exercised | – |  | – |  | $ | – |
Forfeited/Cancelled | (118,964) |  | 6.71 |  | $ | 15.52 |
Expired | (17,016) |  | – |  | $ | 29.95 |
Outstanding at June 30, 2023 | 1,215,441 |  | 6.01 |  | $ | 14.84 |
Unvested at June 30, 2023 | 236,637 |  | 5.47 |  | $ | 9.95 |
Vested and exercisable June 30, 2023 | 978,804 |  | 6.14 |  | $ | 16.03 |

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