Note 6 - Intangible Assets (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 28, 2026	Mar. 29, 2025	Mar. 28, 2026	Mar. 29, 2025
Amortization of Intangible Assets	$ 393,000	$ 484,000	$ 808,000	$ 892,000
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	817,000		817,000
Finite-Lived Intangible Asset, Expected Amortization, Year One	1,300,000		1,300,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two	1,300,000		1,300,000
Finite-Lived Intangible Asset, Expected Amortization, Year Three	1,100,000		1,100,000
Finite-Lived Intangible Asset, Expected Amortization, Year Four	1,100,000		1,100,000
Finite-Lived Intangible Asset, Expected Amortization, After Year Four	$ 10,100,000		$ 10,100,000