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v3.25.1

Stock-Based Compensation - Summary of stock option activity (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Stock-Based Compensation |  |  |  |
Options, Granted (in shares) | 0 | 0 |  |
Stock Option |  |  |  |
Stock-Based Compensation |  |  |  |
Options, Beginning balance | 175,034 | 175,049 | 175,049 |
Options, Granted (in shares) |  |  | 420 |
Options, Expired |  |  | (435) |
Options, Ending balance | 175,034 |  | 175,034 | 175,049
Options, Exercisable | 118,366 |  |  |
Weighted Average Exercise Price, Beginning balance | $ 36.88 | $ 45.55 | $ 45.55 |
Weighted Average Exercise Price, Granted |  |  | 5.25 |
Weighted Average Exercise Price, Expired |  |  | 3,498.79 |
Weighted Average Exercise Price, Ending balance | 36.88 |  | $ 36.88 | $ 45.55
Weighted Average Exercise Price, Exercisable | $ 47.5 |  |  |
Weighted Average Remaining Contractual Life, Outstanding | 6 years 5 months 19 days |  | 6 years 8 months 19 days | 7 years 8 months 12 days
Weighted Average Remaining Contractual Life, Exercisable | 5 years 10 months 2 days |  |  |
Grant date fair value of options granted |  |  | $ 1,526 |
Weighted average grant date fair value |  |  | $ 3.63 |

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