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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2023
Share-Based Compensation |
Schedule of of the activity for stock options issued | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Exercise
Stock Option Plan Totals | ​ | Shares | ​ | Price
Outstanding at December 31, 2021 |  | 2,604,023 | ​ | $ | 1.03
-Cancelled | ​ | (11,781) | ​ | $ | 3.75
-Exercised | ​ | (583,273) | ​ | $ | 1.15
-Granted (1) | ​ | 381,181 | ​ | $ | 4.33
Outstanding at December 31, 2022 |  | 2,390,150 | ​ | $ | 1.51
-Cancelled | ​ | (1,450) | ​ | $ | 10.28
-Exercised | ​ | (54,751) | ​ | $ | 1.57
-Granted (2) | ​ | 585,054 | ​ | $ | 10.00
Outstanding at June 30, 2023, unaudited |  | 2,919,003 | ​ | $ | 3.20
(1) | Options to purchase 381,181 shares were granted in 2022, of which options to purchase 40,588 shares vested immediately in 2022 and the remainder vested 50% immediately and 50% one year after the date of the grants.
(2) | Options to purchase 567,654 shares were granted in 2023, of which options to purchase 334,005 shares vested immediately in 2023 and the remainder vested 50% one year after the date of the grants. In addition, 17,400 stock appreciation rights were granted in January 2023 with a six- month vesting period.
Schedule of weighted average contractual life in years and the weighted average exercise price | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | Weighted |  | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Weighted
​ | ​ | ​ | ​ | Remaining | ​ | Average
​ |  | Number of |  | Contractual |  | Exercise
​ | ​ | Options | ​ | Life | ​ | Price
Options outstanding and vested |  | 2,667,043 |  | 4.63 | years | $ | 2.56

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