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Stock-Based Compensation - Weighted Average Assumptions (Details) - Stock Options - Employees and Directors
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Risk-free interest rate 3.75% 3.86% 4.08% 4.21%
Expected volatility 109.00% 106.00% 107.00% 105.00%
Expected life in years 5 years 9 months 18 days 5 years 7 months 6 days 5 years 8 months 12 days 5 years 6 months
Dividend yield 0.00% 0.00% 0.00% 0.00%