v3.23.1
Stock-Based Compensation - Fair Value of Employee Option Grant Estimated on Date of Grant (Details) - Outstanding options to purchase common stock
3 Months Ended
Mar. 31, 2023
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award  
Estimated weighted-average fair value (USD per share) $ 2.34
Weighted Average  
Weighted-average assumptions:  
Expected volatility 94.00%
Expected life, in years 6 years 1 month 6 days
Risk-free interest rate 3.71%
Expected dividend yield 0.00%