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Equity Incentive Plans and Stock-based Compensation - Significant Assumptions (Details) - Options
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility, minimum 99.70% 102.70%
Expected volatility, maximum 100.10% 107.50%
Expected dividend rate 0.00% 0.00%
Risk free interest rate, minimum 4.01% 3.50%
Risk free interest rate, maximum 4.22% 4.08%
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 6 years 6 years
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years)   6 years 4 months 24 days