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 6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Research and development expenses $ 113 $ 141 $ 145 $ 1,293
Selling, general and administrative expenses 2,988 830 5,539 7,757
Total stock-based compensation $ 3,101 $ 971 $ 5,684 $ 9,050