Annual report pursuant to Section 13 and 15(d)

A summary of stock option activity for the period May 1, 2020 to April 30, 2022, is presented below: (Details)

v3.22.2
A summary of stock option activity for the period May 1, 2020 to April 30, 2022, is presented below: (Details) - USD ($)
12 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2020
Share-Based Payment Arrangement [Abstract]      
Balance at begining (in shares) 10,450,000 575,000  
Balance at begining (in shares) 19,550,000 19,425,000  
Balance at begining $ 0.7195 $ 0.6964  
Balance at end 6 years 1 month 6 days 5 years 11 months 1 day 6 years 10 months 21 days
Balance at begining $ 35,159,500 $ 15,609,500  
Increase to plan shares   10,000,000  
Options granted (1,950,000) (125,000)  
Options granted 1,950,000 125,000  
Options granted $ 2.7195 $ 1.5000  
Options exercised (5,500,000)    
Options exercised $ 0.0004    
Options cnacelled/forfieted 300,000    
Options cnacelled/forfieted (300,000)    
Options cnacelled/forfieted $ 1.5000    
Balance at end (in shares) 8,800,000 10,450,000 575,000
Balance at end (in shares) 15,700,000 19,550,000 19,425,000
Balance at end $ 1.2017 $ 0.7195 $ 0.6964
Balance at end $ 2,219,700 $ 35,159,500 $ 15,609,500
Options vested and expected to vest 13,700,000    
Options vested and expected to vest at end $ 1.2311    
Options vested and expected to vest at end 6 years 7 months 13 days    
Options vested and expected to vest at end $ 2,179,700    
Options exercisable at end 13,460,519    
Options exercisable at end $ 1.0345    
Options exercisable at end 6 years 1 month 24 days    
Options exercisable at end $ 2,155,022