v3.26.1
Long-term Incentive Plans (Details 5) - $ / shares
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Long-term Incentive Plans      
Dates of grant or valuation April 8, 2025 to January 31, 2026 October 8, 2024 May 2, 2023 to January 31, 2024
Risk free interest rates   3.03%  
Risk free interest rates, minimum 2.45%   3.48%
Risk free interest rates, maximum 2.91%   4.63%
Volatilities   112.00%  
Volatilities, minimum 110.00%   109.00%
Volatilities, maximum 129.00%   144.00%
Fair values of common shares on grant or valuation dates   $ 0.145  
Fair values of common shares on grant or valuation dates, minimum $ 0.05   $ 0.065
Fair values of common shares on grant or valuation dates, maximum $ 0.09   $ 0.08
Expected dividends 0.00% 0.00% 0.00%
Expected lives   3 years  
Expected lives, minimum 2 years   1 year 11 months 12 days
Expected lives, maximum 5 years   3 years
Exercise prices   $ 0.14  
Exercise prices, minimum $ 0.08   $ 0.07
Exercise prices, maximum 0.09   0.16
Fair values of options on grant or valuation dates   $ 0.10  
Fair values of options on grant or valuation dates, minimum 0.019   0.04
Fair values of options on grant or valuation dates, maximum $ 0.077   $ 0.17