Note 15 - Segment Reporting - Information About Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 26, 2024	Mar. 28, 2023	Mar. 26, 2024	Mar. 28, 2023	Sep. 26, 2023	Sep. 23, 2023
Revenues	$ 35,438	$ 34,785	$ 68,570	$ 68,179
(Loss) Income from operation	644	817	270	924
Capital expenditures	632	697	1,094	1,581
Property and equipment, net	22,227		22,227		$ 23,036	$ 23,036
Total Assets	88,955		88,955		$ 91,088	91,088
Bad Daddy’s Restaurants [Member]
Revenues	26,504	26,408	50,697	51,634
(Loss) Income from operation	382	678	(381)	668
Capital expenditures	355	448	487	606
Property and equipment, net	18,062		18,062			18,053
Total Assets	65,652		65,652			67,720
Good Times Restaurants [Member]
Revenues	8,934	8,377	17,873	16,545
(Loss) Income from operation	262	139	651	256
Capital expenditures	277	$ 249	607	$ 975
Property and equipment, net	4,165		4,165			4,983
Total Assets	$ 23,303		$ 23,303			$ 23,368