Annual report pursuant to Section 13 and 15(d)

Property and equipment (Details)

v3.22.2
Property and equipment (Details) - USD ($)
Apr. 30, 2022
Apr. 30, 2021
Property, Plant and Equipment [Abstract]    
Equipment and other $ 509,376
Leasehold improvements 149,330
Furniture and equipment 42,746
Accumulated depreciation (189,762)
Net carrying value $ 511,690