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Note 14 – Warrants (Tables)
3 Months Ended
Jul. 31, 2024
Note 14 Warrants  
[custom:ScheduleOfWarrantsIssuedAndFairValueTableTextBlock]
                     
    Upon Issuance
Date of Transaction   Number of Warrants   Initial Fair Value
  October 2020        399,998     $ 267,999  
  January 2021       675,000     $ 2,870,666  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

 

Number of Shares 

 

 

Weighted-average Exercise Price per Share

 

 Weighted-average Remaining Contractual Term

(in years) 

 

 

Aggregate Intrinsic Value 

  Balance as of April 30, 2023 1,539,999     3.38        2.89     $  
  Granted     736,000      $ 0.63                  
  Exercised                          
  Outstanding as of April 30, 2024 2,275,999     2.49       2.77     $  
  Granted                         
  Exercised (454,708     0.63                  
  Outstanding at July 31, 2024 1,821,291    $ 2.96       2.05     $ 389,589