Quarterly report pursuant to Section 13 or 15(d)

Schedule of Stock-based Compensation (Details)

v3.23.1
Schedule of Stock-based Compensation (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total $ 222 $ 521
Research and Development Expense [Member]    
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total 59 97
Selling, General and Administrative Expenses [Member]    
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total 1 58
General and Administrative Expense [Member]    
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total $ 162 $ 366