Quarterly report pursuant to Section 13 or 15(d)

A summary of stock option activity for the three months period from May 1, 2021 to July 31, 2021, is presented below: (Details)

v3.21.2
A summary of stock option activity for the three months period from May 1, 2021 to July 31, 2021, is presented below: (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2021
Apr. 30, 2021
Share-based Payment Arrangement [Abstract]    
Balance at beginning 10,450,000  
Balance at beginning 19,550,000  
Balance at beginning $ 0.7195  
Weighted average remaining contractual life at beginning 5 years 11 months 1 day  
Aggregate intrinsic value at beginning $ 35,159,500  
Options granted (1,500,000)  
Options granted 1,500,000  
Options granted $ 2.9167  
Options exercised (250,000)  
Options exercised $ 0.0004  
Options cancelled/forfeited 300,000  
Options cancelled/forfeited (300,000)  
Options cancelled/forfeited $ 1.5000  
Balance at end 9,250,000 10,450,000
Balance at end 20,500,000 19,550,000
Balance at end $ 0.8812 $ 0.7195
Weighted average remaining contractual life at end 6 years 10 days  
Aggregate intrinsic vale at end $ 72,647,100 $ 35,159,500
Options vested and expected to vest at end   18,500
Options vested and expected to vest at end   $ 0.8684
Options vested and expected to vest at end   6 years 6 months 7 days
Options vested and expected to vest at end   $ 65,797,100
Options exercisable at end   13,460,519
Options exercisable at end   $ 0.5298
Options exercisable at end   5 years 10 months 2 days
Options exercisable at end   $ 52,431,944