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Stock-Based Compensation Summary of Stock-Based Compensation Expense Classification (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 $ 1,645 $ 1,459
Research and development expense    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation 831 704
Selling, general and administrative expense    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation $ 814 $ 755