v3.26.1
SHORT AND LONG-TERM DEBT - Line of credit (Details) - Line of credit payable to bank, final payment due by June 28, 2027
6 Months Ended
Jun. 28, 2025
USD ($)
Mar. 31, 2026
USD ($)
Sep. 30, 2025
USD ($)
SHORT-TERM DEBT      
Maximum capacity $ 30,000,000    
Eligible borrowing base   $ 18,196,189 $ 27,657,997
Borrowed on line of credit   0 24,750,000
Line of credit balance available   $ 18,196,189 $ 2,907,997
Interest rate at period end (as a percent)   6.75% 7.50%
Minimum tangible net worth   $ 28,000,000  
Minimum traditional debt service coverage ratio   1.50x  
Minimum current ratio   1.20x  
Maximum debt to tangible net worth ratio   2.75x  
Ratio to be maintained by borrower for maximum senior funded debt to EBDITA   3.5  
Minimum [Member]      
SHORT-TERM DEBT      
Variable interest rate on line of credit (as a percent) 4.99%    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] us-gaap:PrimeRateMember