v3.26.3
Note 12 - Concentrations, Risks, and Uncertainties (Details Textual) - Customer Concentration Risk [Member]
3 Months Ended 12 Months Ended
Aug. 31, 2026
Aug. 31, 2025
May 31, 2026
Accounts Receivable [Member] | TriEnda Holdings LLC [Member]      
Concentration Risk, Percentage 18.00% 1.00%  
Two Customers [Member] | Revenue Benchmark [Member]      
Concentration Risk, Percentage 42.00% 63.00%  
Last Major Customers [Member] | Revenue Benchmark [Member]      
Concentration Risk, Percentage 0.00% 63.00%  
TriEnda Holdings LLC [Member] | Accounts Receivable [Member]      
Concentration Risk, Percentage 36.00%   31.00%