Annual report pursuant to Section 13 and 15(d)

Changes in the derivative liability (Details)

v3.22.2
Changes in the derivative liability (Details) - USD ($)
12 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
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