BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Jun. 27, 2020	Jun. 29, 2019	Sep. 28, 2019
Operating Revenues:
Operating revenues	$ 23,663			$ 29,512			$ 84,732	$ 87,142
Income before corporate expenses	(206)			2,878			4,464	7,150
Corporate expenses, net of other revenues	(526)			(934)			(2,448)	(2,661)
Income (Loss) from Operations	(732)			1,944			2,016	4,489
Interest expense	(196)			(175)			(598)	(541)
Interest and other income	12			16			37	42
Insurance recovery, net of casualty loss								602
Income (Loss) Before Income Taxes	916			1,785			1,455	4,592
Benefit (Provision) for Income Taxes	53			(309)			23	(653)
Net Income (Loss)	(863)	$ 1,420	$ 921	1,476	$ 1,465	$ 998	1,478	3,939
Net Income (Loss) Attributable to Noncontrolling Interests	(408)			508			791	1,207
Net Income (Loss) Attributable to Flanigan's Enterprises, Inc Stockholders	(455)			968			687	2,732
Depreciation and Amortization:
Depreciation and amortization	808			781			2,441	2,245
Capital Expenditures:
Capital expenditures	531			1,045			2,171	5,244
Identifiable Assets:
Assets	111,671						111,671		$ 68,755
Restaurants [Member]
Operating Revenues:
Operating revenues	16,144			24,099			64,305	70,214
Income before corporate expenses	822			2,578			2,875	6,400
Depreciation and Amortization:
Depreciation and amortization	620			611			1,885	1,746
Capital Expenditures:
Capital expenditures	275			571			1,409	2,922
Identifiable Assets:
Assets	53,696						53,696		31,077
Package stores [Member]
Operating Revenues:
Operating revenues	7,099			4,752			18,833	14,979
Income before corporate expenses	616			300			1,589	750
Depreciation and Amortization:
Depreciation and amortization	90			69			264	204
Capital Expenditures:
Capital expenditures	49			293			206	458
Identifiable Assets:
Assets	13,979						13,979		10,540
Other [Member]
Operating Revenues:
Operating revenues	420			661			1,594	1,949
Corporate [Member]
Depreciation and Amortization:
Depreciation and amortization	98			101			292	295
Capital Expenditures:
Capital expenditures	207			181			556	1,864
Identifiable Assets:
Assets	43,996						43,996		27,138
Total segments [Member]
Depreciation and Amortization:
Depreciation and amortization	710			680			2,149	1,950
Capital Expenditures:
Capital expenditures	324			$ 864			1,615	$ 3,380
Identifiable Assets:
Assets	$ 67,675						$ 67,675		$ 41,617