Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation, Restricted Stock and Stock Options: (Details) - Schedule of stock options activity

v3.21.2
Stock-Based Compensation, Restricted Stock and Stock Options: (Details) - Schedule of stock options activity - Stock Options [Member] - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Sep. 30, 2021
Mar. 31, 2021
Mar. 31, 2019
Stock-Based Compensation, Restricted Stock and Stock Options: (Details) - Schedule of stock options activity [Line Items]      
Shares Underlying Options Outstanding, beginning     1,937,833
Weighted Average Exercise Price Outstanding, beginning     $ 0.54
Weighted Average Remaining Contractual Term (Years) Outstanding, beginning     9 years 2 months 12 days
Aggregate Intrinsic Value Outstanding, beginning     $ 3,720,395
Shares Underlying Options Outstanding, beginning 10,928,607 [1] 1,937,833  
Weighted Average Exercise Price Outstanding, beginning $ 2.73 $ 0.54  
Weighted Average Remaining Contractual Term (Years) Outstanding, beginning 7 years 9 months 18 days 8 years 2 months 12 days  
Aggregate Intrinsic Value Outstanding, beginning $ 17,524 $ 4,243,610  
Shares Underlying Options Outstanding, beginning 10,920,432 10,928,607 [1]  
Weighted Average Exercise Price Outstanding, beginning $ 2.83 $ 2.73  
Aggregate Intrinsic Value Outstanding, beginning $ 13,089 $ 17,524  
Shares Underlying Options Exercisable 9,756,406    
Weighted Average Exercise Price Exercisable $ 2.73    
Weighted Average Remaining Contractual Term (Years) Exercisable 7 years 8 months 12 days    
Aggregate Intrinsic Value Exercisable $ 12,483    
Shares Underlying Options Granted 1,227,204 8,949,107  
Weighted Average Exercise Price Granted $ 3.49 $ 3.23  
Weighted Average Remaining Contractual Term (Years) Granted 9 years 9 months 18 days 8 years 4 months 24 days  
Aggregate Intrinsic Value Granted  
Shares Underlying Options Exercised (419,000) (25,000)  
Weighted Average Exercise Price Exercised $ 0.51 $ 0.15  
Weighted Average Remaining Contractual Term (Years) Exercised  
Aggregate Intrinsic Value Exercised  
Shares Underlying Options Canceled (816,379)    
Weighted Average Exercise Price Canceled $ 3.88    
Weighted Average Remaining Contractual Term (Years) Canceled    
Aggregate Intrinsic Value Canceled    
[1] Options outstanding as of March 31, 2021 includes 66,667 options to purchase shares of the Company’s common stock granted on October 16, 2020 and were recorded as an out of period adjustment. The related stock-based compensation of approximately $0.2 million has been expensed during the six months ended September 30, 2021.