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Stock-Based Compensation - Valuation (Details) - Employee Stock Option
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Black-Scholes option with following assumptions:    
Expected stock price volatility (as a percent)   92.00%
Expected stock price volatility, minimum (as a percent) 76.00%  
Expected stock price volatility, maximum (as a percent) 81.00%  
Expected option term 6 years 6 years
Risk-free interest rate, minimum (as a percent) 4.20% 4.00%
Risk-free interest rate, maximum (as a percent) 4.70% 4.30%
Expected dividend yield (as a percent) 0.00% 0.00%