Note 5 - Marketable Securities (Tables)

12 Months Ended

Mar. 31, 2026

Statement Line Items [Line Items]

Disclosure of marketable securities [text block]

		Common shares				Total
Rio Grande Resources Ltd
As of March 31, 2024 and 2025			-			$	-
Reclassification – June 17, 2025			5,152,557				1,854,921*
Change in fair value of marketable securities			-				(592,545	)
As of March 31, 2026			5,152,557			$	1,262,376*