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

Equity Incentive Plan - Schedule of Assumptions (Details)

v3.25.2
Equity Incentive Plan - Schedule of Assumptions (Details)
12 Months Ended
May 31, 2025
May 31, 2024
Share-based Compensation    
Expected Volatility, Minimum 123.20% 108.60%
Expected Volatility, Maximum 130.40% 115.70%
Weighted-Average Volatility 127.02% 112.24%
Risk-Free Rate 3.96% 3.96%
Minimum    
Share-based Compensation    
Expected Term (In years) 5 years 1 month 6 days 5 years 1 month 6 days
Maximum    
Share-based Compensation    
Expected Term (In years) 6 years 1 month 6 days 6 years