Quarterly report pursuant to Section 13 or 15(d)

Note 16 ??? Warrants (Tables)

v3.22.2.2
Note 16 – Warrants (Tables)
6 Months Ended
Oct. 31, 2022
Note 16 Warrants  
[custom:ScheduleOfStockholdersEquityNoteWarrantsOrRights1TextBlock]
    Upon Issuance   Outstanding at October 31, 2022
Date of Transaction   Number of Warrants   Initial Fair Value   Number of Warrants   Fair Value
  October 2020        399,998     $ 267,999       266,666     $ 330,493  
  January 2021       675,000     $ 2,870,666       540,000     $ 683,182  
Defined Benefit Plan, Assumptions [Table Text Block]
      2022       2021  
Risk-free interest rate              0.790.85%  
Expected dividend yield                  
Expected term (in years)     —         5.00  
Expected volatility              222.45223.17%  
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, 2021 873,332     1.50        4.62     2,218,263  
  Granted     733,333      $ 5.45                  
  Exercised     (66,666 )     1.50                  
  Outstanding as of April 30, 2022 1,539,999     3.38       3.89     $ 427,533  
  Granted                            
  Exercised                           
  Outstanding at October 31, 2022 1,539,999    $ 3.38       3.38     $