v3.26.1
INCOME TAX - Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Income Taxes [Abstract]    
Net loss before income taxes $ (147,998) $ (81,607)
Expected recovery at statutory rate 39,219 21,626
Share-based compensation (685) (7,572)
Share issuance costs 2,806 88
Difference between Canadian and foreign tax rates (16,438) (6,720)
Effect of exchange on unbooked deferred tax assets 816 253
Non-deductible expenses (124) (75)
Change in unrecognized deferred tax assets (25,594) (7,600)
Income tax recovery $ 0 $ 0