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Stock-Based Compensation - Schedule of stock-based compensation expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation $ 1,683 $ 1,513
Research and development    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation 814 827
General and administrative    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation $ 869 $ 686