Annual report [Section 13 and 15(d), not S-K Item 405]

Equity Incentive Plan - Options, RSUs, PSUs (Details)

v3.26.1
Equity Incentive Plan - Options, RSUs, PSUs (Details)
shares in Thousands
12 Months Ended
May 31, 2026
Plan
$ / shares
shares
May 31, 2025
$ / shares
shares
Share-based Compensation    
Number of active plans | Plan 1  
Management, Employees And Consultants    
Share-based Compensation    
Stock option granted, Shares 18,200  
Employee Stock Option    
Share-based Compensation    
Stock option exercises (in shares) 714 500
Stock options exercised, exercise price | $ / shares $ 0.21 $ 0.21
Employee Stock Option | Tranche Two    
Share-based Compensation    
Stock option vested, Shares 15,000  
Award vesting period 4 years  
Employee Stock Option | Tranche Three    
Share-based Compensation    
Stock option vested, Shares 3,200  
Award vesting period 1 year  
PSU    
Share-based Compensation    
Granted (in shares) [1]   3,500
Units granted, grant date fair value | $ / shares   $ 0.41
2012 Equity Incentive Plan    
Share-based Compensation    
Annual increase in shares authorized, as a percent of outstanding shares 1.00%  
[1] The number of PSUs disclosed in this table are at the target level of 100%.