BUSINESS SEGMENTS (Details) - Schedule of Business Segments - Operating Segments [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Sep. 30, 2023
REVENUES:
TOTAL REVENUE	$ 48,340	$ 44,604	$ 139,996	$ 128,815
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	20,807	18,233	60,220	53,445
GROSS PROFIT	27,533	26,371	79,776	75,370
ADDITIONAL REVENUES:
TOTAL ADDITIONAL REVENUES	762	768	2,315	2,221
ADDITIONAL EXPENSES:
Payroll and related costs	15,301	14,598	44,658	42,408
Operating expenses	6,268	6,008	18,565	17,452
Occupancy costs	2,024	1,914	6,118	5,640
Selling, general and administrative expenses	1,288	991	3,867	2,887
Depreciation and amortization	1,127	928	3,119	2,596
TOTAL ADDITIONAL EXPENSES	26,008	24,439	76,327	70,983
Income from Operations	2,287	2,700	5,764	6,608
Capital Expenditures:
Total Capital Expenditures	968	14,448	5,282	18,690
Identifiable Assets:
Assets	143,089		143,089		$ 145,769
OTHER INCOME (EXPENSE):
Interest expense	(251)	(264)	(768)	(801)
Interest and other income	46	26	131	60
Gain on sale of property and equipment	2		2
OTHER INCOME (EXPENSE)	(203)	(238)	(635)	(741)
Income (loss) before provision for income taxes:	2,084	2,462	5,129	5,867
Provision for income taxes	(282)	(51)	(209)	(404)
Net Income	1,802	2,411	4,920	5,463
Less: Net Income attributable to noncontrolling interests	(681)	(806)	(1,748)	(1,337)
Net Income Attributable to Flanigan's Enterprises, Inc.	1,121	1,605	3,172	4,126
Restaurant food sales [Member]
REVENUES:
TOTAL REVENUE	30,471	28,126	86,182	80,006
Intersegment revenues [Member]
REVENUES:
TOTAL REVENUE
Restaurant bar sales [Member]
REVENUES:
TOTAL REVENUE	7,577	7,687	22,780	21,956
Package goods sales [Member]
REVENUES:
TOTAL REVENUE	10,292	8,791	31,034	26,853
Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	20,807	18,233	60,220	53,445
Intersegment Cost of Merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Franchise-related revenues	428	466	1,291	1,409
Intersegment Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Intersegment franchise-related revenues
Rental income [Member]
ADDITIONAL REVENUES:
Rental income	278	252	844	683
Inter Segment Rental income [Member]
ADDITIONAL REVENUES:
Intersegment rental income
Intersegment Partnership income [Member]
ADDITIONAL REVENUES:
Intersegment partnership income
Other operating income [Member]
ADDITIONAL REVENUES:
Other operating income	56	50	180	129
Intersegment Payroll Costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Intersegment Operating Expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses
Intersegment Occupancy Costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs
Intersegment Selling, general and administrative expenses [Member]
ADDITIONAL EXPENSES:
Intersegment selling, general and administrative expenses
Intersegment Interest Expense [Member]
OTHER INCOME (EXPENSE):
Interest expense
Intersegment Interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income
Intersegment Expenses [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Partnership Income
ADDITIONAL REVENUES:
Intersegment partnership income
Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Restaurant [Member]
REVENUES:
TOTAL REVENUE	39,140	36,905	112,077	105,178
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	14,196	12,827	40,260	36,967
GROSS PROFIT	24,944	24,078	71,817	68,211
ADDITIONAL REVENUES:
TOTAL ADDITIONAL REVENUES	40	45	127	113
ADDITIONAL EXPENSES:
Payroll and related costs	12,658	12,007	36,777	34,602
Operating expenses	5,202	4,989	15,328	14,375
Occupancy costs	1,623	1,579	4,942	4,661
Selling, general and administrative expenses	259	282	828	777
Depreciation and amortization	864	684	2,338	1,930
TOTAL ADDITIONAL EXPENSES	21,385	20,325	62,556	58,559
Income from Operations	3,599	3,798	9,388	9,765
OTHER INCOME (EXPENSE):
Interest expense
Interest and other income	4	1	17	6
Gain on sale of property and equipment
OTHER INCOME (EXPENSE)	4	1	17	6
Income (loss) before provision for income taxes:	3,603	3,799	9,405	9,771
Provision for income taxes
Net Income	3,603	3,799	9,405	9,771
Less: Net Income attributable to noncontrolling interests	(681)	(806)	(1,748)	(1,337)
Net Income Attributable to Flanigan's Enterprises, Inc.	2,922	2,993	7,657	8,434
Restaurant [Member] | Restaurant food sales [Member]
REVENUES:
TOTAL REVENUE	30,471	28,126	86,182	80,006
Restaurant [Member] | Intersegment revenues [Member]
REVENUES:
TOTAL REVENUE	1,092	1,092	3,115	3,216
Restaurant [Member] | Restaurant bar sales [Member]
REVENUES:
TOTAL REVENUE	7,577	7,687	22,780	21,956
Restaurant [Member] | Package goods sales [Member]
REVENUES:
TOTAL REVENUE
Restaurant [Member] | Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	13,104	11,735	37,145	33,751
Restaurant [Member] | Intersegment Cost of Merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	1,092		3,115	3,216
Restaurant [Member] | Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Franchise-related revenues
Restaurant [Member] | Intersegment Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Intersegment franchise-related revenues
Restaurant [Member] | Rental income [Member]
ADDITIONAL REVENUES:
Rental income
Restaurant [Member] | Inter Segment Rental income [Member]
ADDITIONAL REVENUES:
Intersegment rental income		0
Restaurant [Member] | Intersegment Partnership income [Member]
ADDITIONAL REVENUES:
Intersegment partnership income
Restaurant [Member] | Other operating income [Member]
ADDITIONAL REVENUES:
Other operating income	40	45	127	113
Restaurant [Member] | Intersegment Payroll Costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Restaurant [Member] | Intersegment Operating Expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses	613	619	1,845	1,718
Restaurant [Member] | Intersegment Occupancy Costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs	166	165	498	496
Restaurant [Member] | Intersegment Selling, general and administrative expenses [Member]
ADDITIONAL EXPENSES:
Intersegment selling, general and administrative expenses
Restaurant [Member] | Intersegment Interest Expense [Member]
OTHER INCOME (EXPENSE):
Interest expense
Restaurant [Member] | Intersegment Interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income
Restaurant [Member] | Intersegment Expenses [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD		1,092
Restaurant [Member] | Partnership Income
ADDITIONAL REVENUES:
Intersegment partnership income
Restaurant [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Package [Member]
REVENUES:
TOTAL REVENUE	10,292	8,791	31,034	26,853
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	7,703	6,498	23,075	19,694
GROSS PROFIT	2,589	2,293	7,959	7,159
ADDITIONAL REVENUES:
TOTAL ADDITIONAL REVENUES
ADDITIONAL EXPENSES:
Payroll and related costs	816	692	2,394	2,236
Operating expenses	699	649	2,051	2,021
Occupancy costs	248	207	745	628
Selling, general and administrative expenses	42	42	132	131
Depreciation and amortization	123	129	375	338
TOTAL ADDITIONAL EXPENSES	1,969	1,754	5,816	5,459
Income from Operations	620	539	2,143	1,700
OTHER INCOME (EXPENSE):
Interest expense
Interest and other income	23	16	60	42
Gain on sale of property and equipment
OTHER INCOME (EXPENSE)	28	21	75	56
Income (loss) before provision for income taxes:	648	560	2,218	1,756
Provision for income taxes
Net Income	648	560	2,218	1,756
Less: Net Income attributable to noncontrolling interests
Net Income Attributable to Flanigan's Enterprises, Inc.	648	560	2,218	1,756
Package [Member] | Restaurant food sales [Member]
REVENUES:
TOTAL REVENUE
Package [Member] | Intersegment revenues [Member]
REVENUES:
TOTAL REVENUE
Package [Member] | Restaurant bar sales [Member]
REVENUES:
TOTAL REVENUE
Package [Member] | Package goods sales [Member]
REVENUES:
TOTAL REVENUE	10,292	8,791	31,034	26,853
Package [Member] | Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	7,703	6,498	23,075	19,694
Package [Member] | Intersegment Cost of Merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Package [Member] | Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Franchise-related revenues
Package [Member] | Intersegment Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Intersegment franchise-related revenues
Package [Member] | Rental income [Member]
ADDITIONAL REVENUES:
Rental income
Package [Member] | Inter Segment Rental income [Member]
ADDITIONAL REVENUES:
Intersegment rental income
Package [Member] | Intersegment Partnership income [Member]
ADDITIONAL REVENUES:
Intersegment partnership income
Package [Member] | Other operating income [Member]
ADDITIONAL REVENUES:
Other operating income
Package [Member] | Intersegment Payroll Costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs	(6)	(6)	(18)
Package [Member] | Intersegment Operating Expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses
Package [Member] | Intersegment Occupancy Costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs	47	41	137	123
Package [Member] | Intersegment Selling, general and administrative expenses [Member]
ADDITIONAL EXPENSES:
Intersegment selling, general and administrative expenses
Package [Member] | Intersegment Interest Expense [Member]
OTHER INCOME (EXPENSE):
Interest expense
Package [Member] | Intersegment Interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income	5	5	15	14
Package [Member] | Intersegment Expenses [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Package [Member] | Partnership Income
ADDITIONAL REVENUES:
Intersegment partnership income
Package [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs				(18)
Corporate [Member]
REVENUES:
TOTAL REVENUE
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
GROSS PROFIT
ADDITIONAL REVENUES:
TOTAL ADDITIONAL REVENUES	2,683	3,069	8,293	8,822
ADDITIONAL EXPENSES:
Payroll and related costs	1,827	1,899	5,487	5,570
Operating expenses	367	370	1,186	1,056
Occupancy costs	153	128	431	351
Selling, general and administrative expenses	987	667	2,907	1,979
Depreciation and amortization	140	115	406	328
TOTAL ADDITIONAL EXPENSES	4,262	4,265	13,089	12,530
Income from Operations	(1,579)	(1,196)	(4,796)	(3,708)
OTHER INCOME (EXPENSE):
Interest expense	(251)	(264)	(768)	(801)
Interest and other income	19	9	54	12
Gain on sale of property and equipment	2		2
OTHER INCOME (EXPENSE)	(230)	(255)	(712)	(789)
Income (loss) before provision for income taxes:	(1,809)	(1,451)	(5,508)	(4,497)
Provision for income taxes	(282)	(51)	(209)	(404)
Net Income	(2,091)	(1,502)	(5,717)	(4,901)
Less: Net Income attributable to noncontrolling interests
Net Income Attributable to Flanigan's Enterprises, Inc.	(2,091)	(1,502)	(5,717)	(4,901)
Corporate [Member] | Restaurant food sales [Member]
REVENUES:
TOTAL REVENUE
Corporate [Member] | Intersegment revenues [Member]
REVENUES:
TOTAL REVENUE
Corporate [Member] | Restaurant bar sales [Member]
REVENUES:
TOTAL REVENUE
Corporate [Member] | Package goods sales [Member]
REVENUES:
TOTAL REVENUE
Corporate [Member] | Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Corporate [Member] | Intersegment Cost of Merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Corporate [Member] | Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Franchise-related revenues	428	466	1,291	1,409
Corporate [Member] | Intersegment Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Intersegment franchise-related revenues	1,390	1,694	4,484	4,932
Corporate [Member] | Rental income [Member]
ADDITIONAL REVENUES:
Rental income	278	252	844	683
Corporate [Member] | Inter Segment Rental income [Member]
ADDITIONAL REVENUES:
Intersegment rental income	214	206	635	619
Corporate [Member] | Intersegment Partnership income [Member]
ADDITIONAL REVENUES:
Intersegment partnership income	357	446		1,163
Corporate [Member] | Other operating income [Member]
ADDITIONAL REVENUES:
Other operating income	16	5	53	16
Corporate [Member] | Intersegment Payroll Costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Corporate [Member] | Intersegment Operating Expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses	716	1,015	2,457	3,045
Corporate [Member] | Intersegment Occupancy Costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs
Corporate [Member] | Intersegment Selling, general and administrative expenses [Member]
ADDITIONAL EXPENSES:
Intersegment selling, general and administrative expenses	72	71	215	201
Corporate [Member] | Intersegment Interest Expense [Member]
OTHER INCOME (EXPENSE):
Interest expense	(2)	(2)	(6)	(6)
Corporate [Member] | Intersegment Interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income	2	2	6	6
Corporate [Member] | Intersegment Expenses [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Corporate [Member] | Partnership Income
ADDITIONAL REVENUES:
Intersegment partnership income			986
Corporate [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Eliminations [Member]
REVENUES:
TOTAL REVENUE	(1,092)	(1,092)	(3,115)	(3,216)
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	(1,092)	(1,092)	(3,115)	(3,216)
GROSS PROFIT
ADDITIONAL REVENUES:
TOTAL ADDITIONAL REVENUES	(1,961)	(2,346)	(6,105)	(6,714)
ADDITIONAL EXPENSES:
Payroll and related costs
Operating expenses
Occupancy costs
Selling, general and administrative expenses
Depreciation and amortization
TOTAL ADDITIONAL EXPENSES	(1,608)	(1,905)	(5,134)	(5,565)
Income from Operations	(353)	(441)	(971)	(1,149)
OTHER INCOME (EXPENSE):
Interest expense
Interest and other income
Gain on sale of property and equipment
OTHER INCOME (EXPENSE)	(5)	(5)	(15)	(14)
Income (loss) before provision for income taxes:	(358)	(446)	(986)	(1,163)
Provision for income taxes
Net Income	(358)	(446)	(986)	(1,163)
Less: Net Income attributable to noncontrolling interests
Net Income Attributable to Flanigan's Enterprises, Inc.	(358)	(446)	(986)	(1,163)
Eliminations [Member] | Restaurant food sales [Member]
REVENUES:
TOTAL REVENUE
Eliminations [Member] | Intersegment revenues [Member]
REVENUES:
TOTAL REVENUE	(1,092)	(1,092)	(3,115)	(3,216)
Eliminations [Member] | Restaurant bar sales [Member]
REVENUES:
TOTAL REVENUE
Eliminations [Member] | Package goods sales [Member]
REVENUES:
TOTAL REVENUE
Eliminations [Member] | Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD
Eliminations [Member] | Intersegment Cost of Merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD	(1,092)		(3,115)	(3,216)
Eliminations [Member] | Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Franchise-related revenues
Eliminations [Member] | Intersegment Franchise-related revenues [Member]
ADDITIONAL REVENUES:
Intersegment franchise-related revenues	(1,390)	(1,694)	(4,484)	(4,932)
Eliminations [Member] | Rental income [Member]
ADDITIONAL REVENUES:
Rental income
Eliminations [Member] | Inter Segment Rental income [Member]
ADDITIONAL REVENUES:
Intersegment rental income	(214)	(206)	(635)	(619)
Eliminations [Member] | Intersegment Partnership income [Member]
ADDITIONAL REVENUES:
Intersegment partnership income	(357)	(446)		(1,163)
Eliminations [Member] | Other operating income [Member]
ADDITIONAL REVENUES:
Other operating income
Eliminations [Member] | Intersegment Payroll Costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs	6	6	18
Eliminations [Member] | Intersegment Operating Expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses	(1,329)	(1,634)	(4,302)	(4,763)
Eliminations [Member] | Intersegment Occupancy Costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs	(213)	(206)	(635)	(619)
Eliminations [Member] | Intersegment Selling, general and administrative expenses [Member]
ADDITIONAL EXPENSES:
Intersegment selling, general and administrative expenses	(72)	(71)	(215)	(201)
Eliminations [Member] | Intersegment Interest Expense [Member]
OTHER INCOME (EXPENSE):
Interest expense	2	2	6	6
Eliminations [Member] | Intersegment Interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income	(7)	(7)	(21)	(20)
Eliminations [Member] | Intersegment Expenses [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD		(1,092)
Eliminations [Member] | Partnership Income
ADDITIONAL REVENUES:
Intersegment partnership income			(986)
Eliminations [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs				18
Restaurants [Member]
Capital Expenditures:
Total Capital Expenditures	848	2,511	4,486	5,757
Identifiable Assets:
Assets	77,183		77,183		76,575
Package stores [Member]
Capital Expenditures:
Total Capital Expenditures	48	3,299	114	3,761
Identifiable Assets:
Assets	23,636		23,636		23,714
Corporate [Member]
Capital Expenditures:
Total Capital Expenditures	72	$ 8,638	682	$ 9,172
Identifiable Assets:
Assets	$ 42,270		$ 42,270		$ 45,480