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Note 10 - Income Taxes (Details Textual) - USD ($)
12 Months Ended
Sep. 27, 2025
Sep. 28, 2024
Sep. 30, 2023
Deferred Tax Liabilities, Net $ 11,068,000 $ 11,635,000  
Deferred Tax Assets, Valuation Allowance 112,000 149,000  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 37,000    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total 0 $ 0 $ 0
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards $ 3,100,000    
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]      
Operating Loss Carryforwards, Expiration Date Sep. 27, 2031