Quarterly report pursuant to Section 13 or 15(d)

Note 18 ??? Derivatives (Tables)

v3.22.2.2
Note 18 – Derivatives (Tables)
 6 Months Ended
Oct. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
[custom:ScheduleOfAssumptionsUsed2TableTextBlock]
      October 31, 2022       April 30, 2022  
Risk-free interest rate     2.83 – 4.51%       0.52 – 2.87%  
Expected dividend yield     —         —    
Expected term (in years)      2.92 – 3.50       3.42 – 4.50  
Expected volatility      190.09 – 235.23%       211.02 – 292.28%  
Schedule of Derivative Liabilities at Fair Value [Table Text Block]
    October 31, 2022   April 30, 2022
Balance, beginning of period   $ 1,607,497     $ 2,812,767  
Additions     —         —    
Eliminated upon conversion of notes/exercise of warrants     —         (163,141 )
Changes in fair value     (593,822 )     (1,042,129 )
Balance, end of period   $ 1,013,675     $ 1,607,497