v3.25.2
Note 9 - Capital Stock and Reserves - Fair Value of Stock Option Assumptions (Details)
12 Months Ended
Mar. 31, 2025
CAD ($)
$ / shares
Mar. 31, 2024
CAD ($)
$ / shares
Mar. 31, 2023
CAD ($)
$ / shares
Statement Line Items [Line Items]      
Fair value per option | $ $ 1.48 $ 5.42 $ 6
Exercise price (in CAD per share) | $ / shares $ 2.13 $ 5.49 $ 11
Expected life (years) 3.92 3.5 3
Interest rate 2.92% 4.17% 3.49%
Annualized volatility (based on historical volatility) 101.00% 108.00% 118.00%
Dividend yield 0.00% 0.00% 0.00%