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Acquisition of Biostrand - Additional Information (Detail) - CAD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2024
Jan. 31, 2023
Disclosure of detailed information about business combination [line items]        
Net income (loss) $ (2,940) $ (4,699) $ (9,132) $ (21,431)
Amortization on the intangible assets $ 709 $ 1,033 $ 2,267 $ 3,097