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Stockholders Equity and StockBased Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Stockholders Equity and Stock Based Compensation |
Schedule Of Share-based Compensation, Stock Options, Activity |
|  | 2023 |  |  | 2022 |
Expected volatility |  | 68.13% to 95.7% |  |  | 97.58% to 115.37% |
Risk free interest rate |  | 4.21% to 5.12% |  |  | 1.02% to 3.28% |
Dividend yield rate |  |  | — |  |  |  | — |
Expected term |  | 1 – 6 years |  |  | 2 – 6 years |
Closing price per share – common stock |  | $4.31 to $4.35 |  |  | $5.93 to $6.27 |
Schedule Of outstanding RSU |
|  | Number of Shares |  |  | Weighted- Average Grant Date Fair Value |  |  | Aggregate Intrinsic Value |
Outstanding, December 31, 2022 |  |  | 416,316 |  |  | $ | 6.52 |  |  | $ | 1,619,469 |
Awards granted |  |  | 301,099 |  |  | $ | 3.91 |  |  |  |  |
Awards vested |  |  | (159,727 | ) |  | $ | 7.06 |  |  |  |  |
Awards forfeited |  |  | — |  |  | $ | — |  |  |  |  |
Outstanding, December 31, 2023 |  |  | 557,688 |  |  | $ | 4.95 |  |  | $ | 1,790,178 |
Schedule Of stock option |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Outstanding, December 31, 2022 |  |  | 525,903 |  |  | $ | 18.74 |  |  |  | 4.52 |  |  | $ | 4,982 |
Granted |  |  | 35,482 |  |  |  | 4.58 |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Expired |  |  | (50,598 | ) |  |  | 17.47 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2023 |  |  | 510,787 |  |  | $ | 17.88 |  |  |  | 3.84 |  |  | $ | — |
Vested and expected to vest, December 31, 2023 |  |  | 510,787 |  |  | $ | 17.88 |  |  |  | 3.84 |  |  | $ | — |
Options exercisable, December 31, 2023 |  |  | 498,177 |  |  | $ | 18.21 |  |  |  | 3.71 |  |  | $ | — |
Schedule Of Stock Based Compensation Expense |
|  | Year Ended |
|  | December 31, |
|  | 2023 |  |  | 2022 |
Research and development expenses |  | $ | 0.2 |  |  | $ | — |
General and administrative expenses |  |  | 1.1 |  |  |  | 0.8 |
Total stock-based compensation expense |  | $ | 1.3 |  |  | $ | 0.8 |

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