v3.26.1
Note 11 - Loan and Credit Agreements (Details Textual)
6 Months Ended 12 Months Ended
Jun. 22, 2026
USD ($)
May 31, 2026
USD ($)
Oct. 01, 2025
USD ($)
Jun. 24, 2020
USD ($)
Jun. 18, 2020
USD ($)
Sep. 28, 2017
USD ($)
May 31, 2026
USD ($)
May 31, 2025
USD ($)
Nov. 30, 2025
USD ($)
Long-Term Debt   $ 2,406,845         $ 2,406,845    
Term Loan Due October 2037 [Member]                  
Debt Instrument, Interest Rate, Stated Percentage   6.25%         6.25% 6.25%  
Long-Term Debt   $ 1,605,209         $ 1,605,209 $ 1,666,762  
Debt Instrument, Periodic Payment             $ 19,648 $ 19,648  
EIDL Assistance Program, Loan One [Member]                  
Proceeds from Issuance of Debt         $ 150,000        
EIDL Assistance Program, Loan Three [Member]                  
Proceeds from Issuance of Debt       $ 150,000          
Economic Injury Distaster Loan Assistance Program [Member]                  
Debt Instrument, Interest Rate, Stated Percentage       3.75%          
Debt Instrument, Term (Year)       30 years          
EIDL Assistance Program, Loan Two [Member]                  
Debt Instrument, Periodic Payment       $ 731          
Bank Midwest [Member]                  
Debt Instrument, Covenant, Minimum Working Capital           $ 4,000,000      
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio           1.25      
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio, Tolerance           0.1      
Bank Midwest [Member] | Minimum [Member]                  
Debt Instrument, Covenant, Annual Purchases or Sales Price of Equipment Before Requiring Bank Approval                 $ 50,000
Bank Midwest [Member] | Term Loan Due October 2037 [Member]                  
Debt Instrument, Interest Rate, Stated Percentage   6.25%         6.25%    
Long-Term Debt   $ 2,600,000         $ 2,600,000    
Bank Midwest [Member] | Term Loan Due October 2037 [Member] | United States Department of Agriculture [Member]                  
Upfront Guarantee Fee             $ 62,400    
Guarantee Fee, Annual Fee, Percentage             0.50%    
Guarantee Requirement, Personally Guarantee, Shareholders Ownership Percentage             20.00%    
Bank Midwest [Member] | Term Loan Due October 2037 [Member] | J. Ward McConnell Jr. [Member]                  
Personally Guaranteed, Percentage of Loan             38.00%    
Personally Guaranteed, Fee, Percentage of Guaranteed Amount             2.00%    
Bank Midwest [Member] | Term Loan [Member]                  
Debt Instrument, Basis Spread on Variable Rate     3.25%            
Debt Instrument, Interest Rate, Stated Percentage     6.25%            
Debt Instrument, Periodic Payment     $ 6,102            
Debt Instrument, Face Amount     $ 516,971            
Debt Instrument, Term (Year)     10 years            
Bank Midwest [Member] | Revolving Credit Facility [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity   4,000,000         $ 4,000,000    
Long-Term Line of Credit   3,495,438         3,495,438    
Line of Credit Facility, Remaining Borrowing Capacity   $ 504,562         $ 504,562    
Line of Credit, Borrowing Base, Accounts Receivable   75.00%         75.00%    
Line of Credit, Borrowing Base, Inventory   50.00%         50.00%    
Debt Instrument, Basis Spread on Variable Rate   2.60%              
Debt Instrument, Interest Rate Floor, Percentage   5.00%         5.00%    
Debt Instrument, Interest Rate, Effective Percentage   6.23%         6.23%    
Bank Midwest [Member] | Revolving Credit Facility [Member] | Reserve Line of Credit [Member] | Subsequent Event [Member]                  
Line of Credit Facility, Maximum Borrowing Capacity $ 500,000                
Debt Instrument, Basis Spread on Variable Rate 2.60%                
Debt Instrument, Interest Rate, Effective Percentage 6.225%                
Long-Term Debt, Term (Year) 15 years                
Debt Instrument, Interest Rate, Stated Percentage 6.50%                
Bank Midwest [Member] | Term Loan Due October 2037 [Member]                  
Debt Instrument, Periodic Payment             $ 19,648