v3.26.1
Note 10 - Capital Stock and Reserves - Fair Value of Stock Option Assumptions (Details)
12 Months Ended
Mar. 31, 2026
CAD ($)
$ / shares
Mar. 31, 2025
CAD ($)
$ / shares
Mar. 31, 2024
CAD ($)
$ / shares
Statement Line Items [Line Items]      
Fair value per option | $ $ 0 $ 1.48 $ 5.42
Exercise price (in CAD per share) | $ / shares $ 0 $ 2.13 $ 5.49
Expected life (years) 0 3.92 3.5
Interest rate 0.00% 2.92% 4.17%
Annualized volatility (based on historical volatility) 0.00% 101.00% 108.00%
Dividend yield 0.00% 0.00% 0.00%