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Note 11 - Loan and Credit Agreements (Details Textual)
3 Months Ended 12 Months Ended
Feb. 28, 2026
USD ($)
Oct. 01, 2025
USD ($)
Jun. 24, 2020
USD ($)
Jun. 18, 2020
USD ($)
Sep. 28, 2017
USD ($)
Feb. 28, 2026
USD ($)
Feb. 28, 2025
USD ($)
Nov. 30, 2025
USD ($)
Mar. 19, 2026
Long-Term Debt $ 2,450,892         $ 2,450,892      
Term Loan Due October 2037 [Member]                  
Long-Term Debt $ 1,637,455         $ 1,637,455 $ 1,666,762    
Debt Instrument, Interest Rate, Stated Percentage 6.25%         6.25% 6.25%    
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]                  
Long-Term Debt $ 2,600,000         $ 2,600,000      
Debt Instrument, Interest Rate, Stated Percentage 6.25%         6.25%      
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 3,431,937         3,431,937      
Line of Credit Facility, Remaining Borrowing Capacity $ 568,063         $ 568,063      
Line of Credit, Borrowing Base, Accounts Receivable               75.00%  
Line of Credit, Borrowing Base, Inventory               50.00%  
Debt Instrument, Basis Spread on Variable Rate 2.60%                
Debt Instrument, Interest Rate Floor, Percentage 5.00%         5.00%      
Bank Midwest [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]                  
Debt Instrument, Interest Rate, Effective Percentage                 6.273%
Bank Midwest [Member] | Term Loan Due October 2037 [Member]                  
Debt Instrument, Periodic Payment           $ 19,648