Note 13 - Impairment of Long-lived Assets and Trademarks (Details Textual)	3 Months Ended		9 Months Ended
	Jun. 27, 2023 USD ($)	Jun. 28, 2022 USD ($)	Jun. 27, 2023 USD ($)	Jun. 28, 2022 USD ($)
Impairment, Long-Lived Asset, Held-for-Use	$ 965,000	$ 303,000	$ 1,041,000	$ 2,056,000
Trademarks [Member]
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)			0	0
Restaurant Assets [Member]
Impairment, Long-Lived Asset, Held-for-Use	$ 0		$ 1,041,000	2,056,000
Restaurant Assets [Member] | Good Times Restaurants [Member]
Impairment, Long-Lived Asset, Held-for-Use		$ 303,000		$ 790,000
Number of Restaurants With Impairment		1		3
Restaurant Assets [Member] | Bad Daddy’s Restaurants [Member]
Impairment, Long-Lived Asset, Held-for-Use				$ 1,266,000
Number of Restaurants With Impairment				1