Annual report pursuant to Section 13 and 15(d)

Note 18 ??? Derivatives (Tables)

v3.22.2
Note 18 – Derivatives (Tables)
 12 Months Ended
Apr. 30, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
[custom:ScheduleOfAssumptionsUsed2TableTextBlock]
      April 30, 2022       April 30, 2021  
Risk-free interest rate     0.52 – 2.87%       0.08 – 0.61%  
Expected dividend yield     —         —    
Expected term (in years)      3.42 – 4.50       1.54 – 5.00  
Expected volatility      211.02 – 292.28%       86.74 – 110.56%  
Schedule of Derivative Liabilities at Fair Value [Table Text Block]
    2022   2021
Balance, beginning of period   $ 2,812,767     $ —    
Additions     —         5,710,288  
Eliminated upon conversion of notes/exercise of warrants     (163,141 )     (5,390,415 )
Changes in fair value     (1,042,129 )     2,492,894  
Balance, end of period   $ 1,607,497     $ 2,812,767