Share Capital - Summary of Warrants (Details) - CAD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2026	Mar. 31, 2025
Liability Classified Warrants
Class of Warrant or Right [Line Items]
Number of whole warrants, Beginning balance	30,838,728	12,133,150
Number of whole warrants, Ending balance	30,838,728	12,133,150
Weighted average exercise price, Beginning balance	$ 4.49	$ 8.90
Weighted average exercise price, Ending balance	$ 4.58	$ 8.41
Weighted average remaining life (years)	3 years 10 months 13 days	3 years 10 months 2 days	4 years 1 month 9 days	4 years 1 month 2 days
Equity Classified Warrants
Class of Warrant or Right [Line Items]
Number of whole warrants, Beginning balance	23,528,830	3,350,430
Number of whole warrants, Issuance of warrants	0	0
Number of whole warrants, Ending balance	23,528,830	3,350,430
Weighted average exercise price, Beginning balance	$ 4.08	$ 16.18
Weighted average exercise price, Ending balance	$ 4.08	$ 16.18
Weighted average remaining life (years)	3 years 2 months 15 days	3 years 10 months 13 days	3 years 5 months 15 days	4 years 1 month 13 days
Warrant reserve, Beginning balance	$ 2,612,631	$ 2,590,485
Warrant reserve, Ending balance	$ 2,612,631	$ 2,590,485