Quarterly report pursuant to Section 13 or 15(d)

Changes in the derivative liability (Details)

v3.22.2.2
Changes in the derivative liability (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2022
Apr. 30, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
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 92,922 (1,042,129)
Balance, end of period $ 1,700,419 $ 1,607,497