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Stock-Based Compensation - Assumptions used for estimating fair value (Details) - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Stock-Based Compensation    
Exercise Price $ 1.41 $ 5.25
Expected dividends 0.00% 0.00%
Expected volatility 107.40% 93.38%
Risk free interest rate 3.74% 3.88%
Expected life of option (years) 4 years 2 months 23 days 4 years 3 months 3 days