Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 30, 2021	Mar. 31, 2020	Mar. 30, 2021	Mar. 31, 2020	Sep. 29, 2020
Segment Reporting Information [Line Items]
Revenues	$ 29,192	$ 26,182	$ 56,488	$ 56,996
Income (loss) from operations	1,603	(14,533)	2,866	(14,905)
Capital expenditures	701	341	1,184	1,954
Property and equipment, net	27,116		27,116		$ 27,669
Bad Daddys [Member]
Segment Reporting Information [Line Items]
Revenues	21,029	19,369	39,782	42,271
Income (loss) from operations	1,092	(14,515)	1,318	(15,000)
Capital expenditures	637	264	959	1,841
Property and equipment, net	23,215		23,215		23,586
Good Times [Member]
Segment Reporting Information [Line Items]
Revenues	8,163	6,813	16,706	14,725
Income (loss) from operations	740	45	1,825	209
Capital expenditures	49	72	162	87
Property and equipment, net	3,687		3,687		3,874
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(229)	(63)	(277)	(114)
Capital expenditures	15	$ 5	63	$ 26
Property and equipment, net	$ 214		$ 214		$ 209