v3.26.1
Change in reporting and functional currency - Disclosure of information about consolidated statements of loss and comprehensive loss (Details)
$ / shares in Units, $ / shares in Units, $ in Thousands, $ in Thousands
 12 Months Ended
Apr. 30, 2026
USD ($)
$ / shares
Apr. 30, 2025
CAD ($)
$ / shares
Apr. 30, 2025
USD ($)
$ / shares
Disclosure of Change In Reporting and Functional Currency [Line Items]      
Net loss for the year $ (38,685)   $ (5,820)
Total comprehensive loss $ (14,213)   $ (16,080)
Basic loss per share | $ / shares $ (0.11)   $ (0.02)
Diluted loss per share | $ / shares $ (0.11)   $ (0.02)
As previously reported [Member]      
Disclosure of Change In Reporting and Functional Currency [Line Items]      
Net loss for the year   $ (7,851)  
Other comprehensive income   (13,014)  
Total comprehensive loss   $ (20,865)  
Basic loss per share | $ / shares   $ (0.03)  
Diluted loss per share | $ / shares   $ (0.03)  
As restated [Member]      
Disclosure of Change In Reporting and Functional Currency [Line Items]      
Net loss for the year     $ (5,820)
Other comprehensive income     (10,260)
Total comprehensive loss     $ (16,080)
Basic loss per share | $ / shares     $ (0.02)
Diluted loss per share | $ / shares     $ (0.02)