Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Stock-based Compensation Expense) (Details)

v3.23.2
Stockholders Equity (Stock-based Compensation Expense) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-based Compensation $ 45 $ 650 $ 280 $ 1,314
General and administrative [Member]        
Share-based Compensation 153 208 262 355
Research and development [Member]        
Share-based Compensation $ (108) $ 442 $ 18 $ 959