Note 4 - Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 26, 2023	Sep. 26, 2023
Intangible assets subject to amortization, gross	$ 65	$ 65
iIntangible assets, accumulated amortization	(17)	(14)
Intangible assets subject to amortization, net	48	51
Intangible assets, gross	3,965	3,965
Intangible assets, net	3,948	3,951
Goodwill, gross	5,713	5,713
Goodwill, accumulated amortization	0	0
Goodwill	5,713	5,713
Trademarks [Member]
Indefinite-lived intangible assets	3,900	3,900
Noncompete Agreements [Member]
Intangible assets subject to amortization, gross	50	50
iIntangible assets, accumulated amortization	(16)	(14)
Intangible assets subject to amortization, net	34	36
Reacquired Franchise Rights [Member]
Intangible assets subject to amortization, gross	15	15
iIntangible assets, accumulated amortization	(1)	0
Intangible assets subject to amortization, net	$ 14	$ 15