Quarterly report pursuant to Section 13 or 15(d)

Schedule of Stock-based Compensation (Details)

v3.22.2.2
Schedule 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]        
Total $ 441 $ 848 $ 1,423 $ 2,777
Research and Development Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total 96 145 292 448
Selling, General and Administrative Expenses [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total 60 71 184 293
General and Administrative Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total $ 285 $ 632 $ 947 $ 2,036