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Stock-Based Compensation - Assumptions used for estimating fair value (Details) - $ / shares
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Stock-Based Compensation    
Exercise price $ 5.25 $ 14.75
Expected dividends 0.00% 0.00%
Expected volatility 93.38% 90.00%
Risk free interest rate 3.88% 4.02%
Expected life of option (years) 4 years 3 months 3 days 4 years 3 months