Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation, Share-Based Compensation Expense (Details)

v3.21.1
Share-based Compensation, Share-Based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Expense [Abstract]    
Share based compensation $ 494 $ 61
General and Administrative [Member]    
Share-based Compensation Expense [Abstract]    
Share based compensation 193 42
Research and Development [Member]    
Share-based Compensation Expense [Abstract]    
Share based compensation $ 301 $ 19