Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details 1)

v3.23.2
Stock Plans (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation $ 265 $ 217 $ 554 $ 443
Research and Development Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation 26 123 54 246
General and Administrative Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation $ 239 $ 94 $ 500 $ 197