v3.26.3
Note 6 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended
Apr. 23, 2026
Aug. 01, 2022
Jan. 01, 2017
Aug. 31, 2026
Aug. 31, 2025
May 31, 2026
Apr. 23, 2022
Operating Lease, Payments       $ 152,250 $ 152,250    
Lease Agreement With Robert Rosene [Member]              
Monthly Rent Expense $ 16,750            
Operating Lease, Payments       $ 50,250      
Sale Leaseback Transaction, Net Book Value $ 1,675,000            
Sale Leaseback Transaction, Lease Term (Year)       5 years      
Lease Rental Escalation, Percent 2.00%            
Two Buildings [Member]              
Lessee, Operating Lease, Term of Contract       10 years      
Lessee, Operating Lease, Renewal Term       5 months      
Monthly Rent Expense, Monthly Increase Every Fifth Year, Percent       5.00%      
TriEnda Holdings LLC [Member]              
Related Party Transaction, Purchases from Related Party       $ 0 259    
Related Party Transaction, Purchases from Related Party       964,019 14,414    
Yorktown [Member] | Grinding and Pelletizing Equipment [Member]              
Weekly Rental Expenses       27,500      
Operating Lease, Expense       357,500 357,500    
Yorktown [Member] | Office Space Lease [Member]              
Operating Lease, Expense       22,467 21,788    
Lessee, Operating Lease, Term of Contract     6 years        
Monthly Rental Expense, Renewal     $ 6,250        
TriEnda Holdings LLC [Member]              
Accounts Receivable, after Allowance for Credit Loss       1,189,731   $ 928,482  
Durakon Industries, Inc. [Member]              
Related Party Transaction, Purchases from Related Party       70,848 62,640    
Accounts Receivable, after Allowance for Credit Loss       70,848   0  
Green Plastic Pallets [Member]              
Related Party Transaction, Purchases from Related Party       83,922 103,275    
Accounts Receivable, after Allowance for Credit Loss       114,354   $ 100,980  
GRE [ Member] | Two Buildings [Member]              
Lessee, Operating Lease, Term of Contract   10 years          
Lessee, Operating Lease, Renewal Term             5 years
Monthly Rent Expense   $ 44,500          
Monthly Rent Expense, Monthly Increase Every Fifth Year, Percent   5.00%          
Operating Lease, Payments       $ 133,500 $ 133,500