v3.25.2
Note 4 - Investment In Associate - Investments Accounted for Using Equity Method (Details) (Parentheticals)
3 Months Ended 12 Months Ended
Jan. 31, 2025
Mar. 31, 2025
Mar. 31, 2025
Rio Grande Resources Ltd [member]      
Statement Line Items [Line Items]      
Proportion of ownership interest in associate 19.95% 19.95% 19.95%