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Note 7 - Intangible Assets (Details Textual) - USD ($)
 12 Months Ended
Sep. 27, 2025
Sep. 28, 2024
Sep. 30, 2023
Amortization of Intangible Assets $ 1,900,000 $ 749,000 $ 757,000
Finite-Lived Intangible Asset, Expected Amortization, Year One 1,600,000    
Finite-Lived Intangible Asset, Expected Amortization, Year Two 1,300,000    
Finite-Lived Intangible Asset, Expected Amortization, Year Three 1,300,000    
Finite-Lived Intangible Asset, Expected Amortization, Year Four 1,100,000    
Finite-Lived Intangible Asset, Expected Amortization, Year Five $ 1,100,000