v3.26.3
Note 7 - Long-term Debt - Summary of Long-term Debt (Details) (Parentheticals)
3 Months Ended
Aug. 31, 2026
USD ($)
Term Loan to International Bank of Commerce [Member]  
Debt Instrument, Basis Spread on Variable Rate 0.50%
Term Loan to First Interstate Bank [Member]  
Debt Instrument, Interest Rate, Stated Percentage 3.50%
Debt Instrument, Periodic Payment $ 5,997
Revolving loan to International Bank of Commerce [Member]  
Debt Instrument, Basis Spread on Variable Rate 0.50%