Finance Items - Schedule of Finance Items (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Schedule of Finance Items [Abstract]
Interest income	$ 11,895	$ 8,518
Interest on lease obligation	157	126
Interest on convertible notes	12,178	4,707
Accretion of long-term deposit	1,021
Issuance costs of convertible notes allocated to derivative liabilities		1,741
Accretion of environmental rehabilitation liabilities	195	139
Total finance costs	13,551	$ 6,713
Total interest accretion on the convertible notes	12,180
Capitalized and recorded as mineral rights and properties	$ 1,910

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The amount of interest costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset.

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The amount of investment income, such as interest and dividends.

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