Segment Reporting (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2021	Sep. 29, 2020
Segment Reporting Information [Line Items]
Revenues	$ 123,953	$ 109,858
Income (loss) from operations	6,897	(12,041)
Capital Expenditures	3,198	2,596
Property & Equipment, net	27,227	27,669
Bad Daddys Burger Bar Restaurant [Member]
Segment Reporting Information [Line Items]
Revenues	88,844	76,538
Income (loss) from operations	3,408	(14,837)
Capital Expenditures	2,690	2,351
Property & Equipment, net	23,485	23,586
Good Times Burgers And Frozen Custard Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	35,109	33,320
Income (loss) from operations	3,623	3,035
Capital Expenditures	331	212
Property & Equipment, net	3,480	3,874
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(134)	(239)
Capital Expenditures	177	33
Property & Equipment, net	$ 262	$ 209