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Share-Based Compensation - Valuation Assumptions for Determination of Fair Value of Options (Details)
9 Months Ended
Sep. 30, 2025
$ / shares
Performance Shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected dividend yield 0.00%
Expected volatility 91.50%
Risk-free interest rate 3.90%
Share price (in dollars per share) $ 2.65
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility, minimum 97.00%
Expected volatility, maximum 100.00%
Risk-free interest rate, minimum 4.10%
Risk-free interest rate, maximum 4.20%
Stock options | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected dividend yield 0.00%
Expected term (years) 5 years 6 months
Stock options | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected dividend yield 0.00%
Expected term (years) 6 years 1 month 6 days