Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation, Restricted Stock and Stock Options: (Details) - Schedule of stock based compensation expenses

v3.21.2
Stock-Based Compensation, Restricted Stock and Stock Options: (Details) - Schedule of stock based compensation expenses - Stock-Based Compensation [Member] - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Research and development expenses $ 32 $ 1,152
Selling, general and administrative expenses 2,551 7,209
Total stock-based compensation $ 2,583 $ 8,361