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Stock-Based Compensation - Valuation (Details) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Black-Scholes option with following assumptions:      
Dividend payouts $ 0    
Expected dividend payments $ 0    
Employee Stock Option      
Black-Scholes option with following assumptions:      
Expected stock price volatility (as a percent)   92.00%  
Expected stock price volatility, minimum (as a percent) 82.00%   90.00%
Expected stock price volatility, maximum (as a percent) 93.00%   97.00%
Expected option term 6 years 6 years 6 years
Risk-free interest rate, minimum (as a percent) 3.50% 3.50% 1.70%
Risk-free interest rate, maximum (as a percent) 4.50% 4.70% 4.20%
Expected dividend yield (as a percent) 0.00% 0.00% 0.00%