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

Equity Incentive Plan - Stock Options and Other Equity Awards (Details)

v3.25.2
Equity Incentive Plan - Stock Options and Other Equity Awards (Details) - $ / shares
shares in Millions
12 Months Ended
Jul. 19, 2024
May 31, 2025
May 31, 2024
Share-based Compensation      
Options outstanding, vested   28.6 19.7
Options outstanding, nonvested   9.7 6.1
Shares issued during the period new issues shares 25.4    
Management, Employees And Consultants      
Share-based Compensation      
Stock option granted, Shares   13.0  
Management, Employees And Consultants | Maximum      
Share-based Compensation      
Stock option granted, exercise price   $ 0.41  
Stock options grant date fair value   0.37  
Management, Employees And Consultants | Minimum      
Share-based Compensation      
Stock option granted, exercise price   0.13  
Stock options grant date fair value   $ 0.11