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INCOME TAX - Deferred Tax Assets (Details) - CAD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets $ 61,245 $ 50,708
Valuation allowance (61,245) (50,708)
Net deferred tax assets 0 0
Non-capital loss carryforwards - Canada | Canada    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 22,310 20,168
Non-capital loss carryforwards - Canada | United States    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 2,533 2,344
Non-capital loss carryforwards - Canada | Ireland    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 18,327 10,391
Non-capital loss carryforwards - Canada | United Kingdom    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 10,767 10,282
Deferred compensation    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 1,653 1,474
Research and Development expenditures    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 2,538 1,681
Share issuance costs    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 3,102 4,361
Depreciation/Capital cost allowance differences    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets $ 15 $ 7