Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Stock-Based Compensation - Recognition of stock-based compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 541 $ 1,560 $ 2,862 $ 6,215
General and Administrative Expense [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense 506 1,340 2,390 5,779
Research and Development Expense [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 35 $ 220 $ 472 $ 436