Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 26, 2018	Jun. 27, 2017	Jun. 26, 2018	Jun. 27, 2017	Sep. 26, 2017
Segment Reporting Information [Line Items]
Revenues	$ 26,175	$ 21,702	$ 72,444	$ 56,496
Loss from operations	781	15	413	(986)
Capital expenditures	2,391	4,481	6,560	11,178
Property and equipment, net	33,113		33,113		$ 29,690
Good Times Burgers And Frozen Custard Restaurants [Member]
Segment Reporting Information [Line Items]
Revenues	8,317	8,634	23,471	22,550
Loss from operations	423	421	265	82
Capital expenditures	113	1,677	290	4,560
Property and equipment, net	5,352		5,352		7,061
Bad Daddys Burger Bar Restaurant [Member]
Segment Reporting Information [Line Items]
Revenues	17,858	13,068	48,973	33,946
Loss from operations	430	(244)	438	(540)
Capital expenditures	2,270	2,737	6,259	6,404
Property and equipment, net	27,354		27,354		22,133
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Loss from operations	(72)	(162)	(290)	(528)
Capital expenditures	8	$ 67	11	$ 214
Property and equipment, net	$ 407		$ 407		$ 496

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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