Note 16 - Segment Reporting - Information About Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 26, 2023	Dec. 27, 2022	Sep. 26, 2023	Sep. 23, 2022
Revenues	$ 33,132	$ 33,394
(Loss) Income from operation	(374)	107
Capital expenditures	462	884
Property and equipment, net	22,553		$ 23,036	$ 23,036
Total Assets	90,121		$ 91,088	91,088
Bad Daddy’s Restaurants [Member]
Revenues	24,193	25,226
(Loss) Income from operation	(763)	(7)
Capital expenditures	132	158
Property and equipment, net	18,468			18,053
Total Assets	66,614			67,720
Good Times Restaurants [Member]
Revenues	8,939	8,168
(Loss) Income from operation	389	114
Capital expenditures	330	$ 726
Property and equipment, net	4,085			4,983
Total Assets	$ 23,507			$ 23,368