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Share Capital - Details of Warrants and Finder's Warrants Outstanding (Parenthetical) (Details) - Finder's Warrants
9 Months Ended
Jan. 31, 2024
$ / shares
Range One  
Disclosure Of Classes Of Share Capital [Line Items]  
Warrant exercisable price $ 16.81
Range Two  
Disclosure Of Classes Of Share Capital [Line Items]  
Warrant exercisable price $ 1