v3.22.2.2
Stock-based compensation expense (Details 1) - $ / shares
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Compensation Related Costs [Abstract]    
Beginning Balance 600,000
Exercisable Beginning Balance
Granted 600,000
Granted   $ 0.5
Forfeited
Beginning Balance $ 0.5  
Exercised (300,000)  
Exercised $ 0.5  
Ending Balance 300,000 600,000
Ending Balance $ 0.5 $ 0.5
Weighted Average Remaining Contractual Term in Years 5 years 4 months 24 days  
Exercisable Ending balance