Quarterly report [Sections 13 or 15(d)]

Equity Incentive Plan - Stock options (Details)

v3.25.2
Equity Incentive Plan - Stock options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Aug. 31, 2025
May 31, 2025
Weighted average exercise price    
Granted (in dollars per share) $ 0.26  
Stock Options    
Number of shares    
Options outstanding at the beginning of the period 38,324  
Granted 725  
Exercised (100)  
Forfeited, expired, and cancelled (480)  
Options outstanding at the end of the period 38,469 38,324
Options outstanding and exercisable (in shares) 29,787  
Weighted average exercise price    
Options outstanding at the beginning of the period (in dollars per share) $ 0.46  
Granted (in dollars per share) 0.3  
Exercised (in dollars per share) 0.21  
Forfeited, expired, and cancelled (in dollars per share) 1.93  
Options outstanding at the end of the period (in dollars per share) 0.44 $ 0.46
Options outstanding and exercisable (in dollars per share) $ 0.46  
Additional Information    
Weighted average remaining contractual life in years 7 years 6 months 7 years 7 months 24 days
Weighted average remaining contractual life in years exercisable 7 years 3 days  
Aggregate intrinsic value in exercised $ 6  
Aggregate intrinsic value in outstanding 3,035 $ 4,039
Aggregate intrinsic value in outstanding and exercisable $ 2,079  
Stock option granted, Shares 700