Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Recognition of stock-based compensation (Details)

v3.22.1
Stock-Based Compensation - Recognition of stock-based compensation (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Stock-based compensation expense $ 1,334 $ 372
General and Administrative Expense [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Stock-based compensation expense 1,116 344
Research and Development Expense [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Stock-based compensation expense $ 218 $ 28