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

Equity Incentive Plan - Restricted Stock Units ("RSUs") and Performance Stock Units ("PSU"s) (Details)

v3.26.1
Equity Incentive Plan - Restricted Stock Units ("RSUs") and Performance Stock Units ("PSU"s) (Details) - $ / shares
shares in Thousands
12 Months Ended
May 31, 2026
May 31, 2025
RSU and PSU    
Weighted average grant date fair value    
Weighted average remaining contractual life in years 2 years 1 year 9 months
PSU    
Number of shares    
Beginning shares [1] 3,500  
Granted (in shares) [1]   3,500
Ending shares [1] 3,500 3,500
Weighted average grant date fair value    
Beginning $ 0.41  
Grant   $ 0.41
Ending $ 0.41 $ 0.41
[1] The number of PSUs disclosed in this table are at the target level of 100%.