Annual report pursuant to Section 13 and 15(d)

Derivatives - Changes in derivative liability (Details)

v3.21.2
Derivatives - Changes in derivative liability (Details)
12 Months Ended
Apr. 30, 2021
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Recognized upon closing of October 2020 financing $ 728,587
Recognized upon closing of January 2021 financing 4,981,701
Eliminated upon conversion of notes/exercise of warrants (5,390,415)
Changes in fair value from issuance through April 30, 2021 2,492,894
Derivative liability, ending $ 2,812,767