BUSINESS SEGMENTS (Details) - Schedule of Business Segments - Operating Segments [Member] - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
Schedule of Business Segments [Line Items]
TOTAL REVENUE	$ 185,302	$ 171,425
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	79,990	71,298
GROSS PROFIT	105,312	100,127
ADDITIONAL REVENUES:
TOTAL REVENUE	185,302	171,425
TOTAL ADDITIONAL REVENUES	3,019	2,971
ADDITIONAL EXPENSES:
Payroll and related costs	59,349	56,607
Operating expenses	24,892	23,658
Occupancy costs	8,086	7,566
Selling, general and administrative expenses	5,340	4,682
Depreciation and amortization	4,268	3,561
TOTAL ADDITIONAL EXPENSES	101,935	96,074
Income from Operations	6,396	7,024
OTHER INCOME (EXPENSE):
Interest expense	(1,019)	(1,067)
Interest and other income	207	108
Gain on sale of property and equipment	2
OTHER INCOME (EXPENSE)	(810)	(959)
Income (loss) before provision for income taxes:	5,586	6,065
Provision for income taxes	(286)	(649)
Net Income	5,300	5,416
Less: Net Income attributable to noncontrolling interests	(1,944)	(1,417)
Net Income Attributable to Flanigan's Enterprises, Inc.	3,356	3,999
Capital Expenditures:
Total capital expenditures	6,047	20,574
Identifiable Assets:
Total identifiable assets	142,082	145,769
Restaurant food sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	114,795	107,238
ADDITIONAL REVENUES:
TOTAL REVENUE	114,795	107,238
Intersegment revenues [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Restaurant bar sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	30,010	29,000
ADDITIONAL REVENUES:
TOTAL REVENUE	30,010	29,000
Package goods sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	40,497	35,187
ADDITIONAL REVENUES:
TOTAL REVENUE	40,497	35,187
Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	79,990	71,298
Intersegment cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:
Franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Franchise-related revenues	1,693	1,857
ADDITIONAL REVENUES:
Franchise-related revenues	1,693	1,857
Intersegment franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Intersegment franchise-related revenues
ADDITIONAL REVENUES:
Intersegment franchise-related revenues
Rental income [Member]
Schedule of Business Segments [Line Items]
Rental income	1,105	951
ADDITIONAL REVENUES:
Rental income	1,105	951
Intersegment rental income [Member]
Schedule of Business Segments [Line Items]
Intersegment rental income
ADDITIONAL REVENUES:
Intersegment rental income
Intersegment partnership income [Member]
Schedule of Business Segments [Line Items]
Intersegment partnership income
ADDITIONAL REVENUES:
Intersegment partnership income
Other operating income [Member]
Schedule of Business Segments [Line Items]
Other revenues	221	163
ADDITIONAL REVENUES:
Other revenues	221	163
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
Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Restaurant [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	148,946	140,157
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	54,003	49,407
GROSS PROFIT	94,943	90,750
ADDITIONAL REVENUES:
TOTAL REVENUE	148,946	140,157
TOTAL ADDITIONAL REVENUES	165	160
ADDITIONAL EXPENSES:
Payroll and related costs	49,024	46,561
Operating expenses	20,517	19,525
Occupancy costs	6,534	6,233
Selling, general and administrative expenses	1,232	1,116
Depreciation and amortization	3,216	2,646
TOTAL ADDITIONAL EXPENSES	83,619	79,054
Income from Operations	11,489	11,856
OTHER INCOME (EXPENSE):
Interest expense
Interest and other income	22	6
Gain on sale of property and equipment
OTHER INCOME (EXPENSE)	22	6
Income (loss) before provision for income taxes:	11,511	11,862
Provision for income taxes
Net Income	11,511	11,862
Less: Net Income attributable to noncontrolling interests	(1,944)	(1,417)
Net Income Attributable to Flanigan's Enterprises, Inc.	9,567	10,445
Restaurant [Member] | Restaurant food sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	114,795	107,238
ADDITIONAL REVENUES:
TOTAL REVENUE	114,795	107,238
Restaurant [Member] | Intersegment revenues [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	4,141	3,919
ADDITIONAL REVENUES:
TOTAL REVENUE	4,141	3,919
Restaurant [Member] | Restaurant bar sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	30,010	29,000
ADDITIONAL REVENUES:
TOTAL REVENUE	30,010	29,000
Restaurant [Member] | Package goods sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Restaurant [Member] | Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	49,862	45,488
Restaurant [Member] | Intersegment cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	4,141	3,919
Restaurant [Member] | Franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Franchise-related revenues
ADDITIONAL REVENUES:
Franchise-related revenues
Restaurant [Member] | Intersegment franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Intersegment franchise-related revenues
ADDITIONAL REVENUES:
Intersegment franchise-related revenues
Restaurant [Member] | Rental income [Member]
Schedule of Business Segments [Line Items]
Rental income
ADDITIONAL REVENUES:
Rental income
Restaurant [Member] | Intersegment rental income [Member]
Schedule of Business Segments [Line Items]
Intersegment rental income
ADDITIONAL REVENUES:
Intersegment rental income
Restaurant [Member] | Intersegment partnership income [Member]
Schedule of Business Segments [Line Items]
Intersegment partnership income
ADDITIONAL REVENUES:
Intersegment partnership income
Restaurant [Member] | Other operating income [Member]
Schedule of Business Segments [Line Items]
Other revenues	165	160
ADDITIONAL REVENUES:
Other revenues	165	160
Restaurant [Member] | Intersegment payroll costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Restaurant [Member] | Intersegment operating expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses	2,431	2,312
Restaurant [Member] | Intersegment occupancy costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs	665	661
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] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Package [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	40,497	35,187
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	30,128	25,810
GROSS PROFIT	10,369	9,377
ADDITIONAL REVENUES:
TOTAL REVENUE	40,497	35,187
TOTAL ADDITIONAL REVENUES
ADDITIONAL EXPENSES:
Payroll and related costs	3,153	2,944
Operating expenses	2,704	2,663
Occupancy costs	980	853
Selling, general and administrative expenses	170	177
Depreciation and amortization	499	468
TOTAL ADDITIONAL EXPENSES	7,666	7,244
Income from Operations	2,703	2,133
OTHER INCOME (EXPENSE):
Interest expense
Interest and other income	82	58
Gain on sale of property and equipment
OTHER INCOME (EXPENSE)	102	78
Income (loss) before provision for income taxes:	2,805	2,211
Provision for income taxes
Net Income	2,805	2,211
Less: Net Income attributable to noncontrolling interests
Net Income Attributable to Flanigan's Enterprises, Inc.	2,805	2,211
Package [Member] | Restaurant food sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Package [Member] | Intersegment revenues [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Package [Member] | Restaurant bar sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Package [Member] | Package goods sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	40,497	35,187
ADDITIONAL REVENUES:
TOTAL REVENUE	40,497	35,187
Package [Member] | Cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	30,128	25,810
Package [Member] | Intersegment cost of merchandise sold [Member]
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:
Package [Member] | Franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Franchise-related revenues
ADDITIONAL REVENUES:
Franchise-related revenues
Package [Member] | Intersegment franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Intersegment franchise-related revenues
ADDITIONAL REVENUES:
Intersegment franchise-related revenues
Package [Member] | Rental income [Member]
Schedule of Business Segments [Line Items]
Rental income
ADDITIONAL REVENUES:
Rental income
Package [Member] | Intersegment rental income [Member]
Schedule of Business Segments [Line Items]
Intersegment rental income
ADDITIONAL REVENUES:
Intersegment rental income
Package [Member] | Intersegment partnership income [Member]
Schedule of Business Segments [Line Items]
Intersegment partnership income
ADDITIONAL REVENUES:
Intersegment partnership income
Package [Member] | Other operating income [Member]
Schedule of Business Segments [Line Items]
Other revenues
ADDITIONAL REVENUES:
Other revenues
Package [Member] | Intersegment payroll costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs	(24)
Package [Member] | Intersegment operating expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses
Package [Member] | Intersegment occupancy costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs	184	164
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	20	20
Package [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs		(25)
Corporate [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:
GROSS PROFIT
ADDITIONAL REVENUES:
TOTAL REVENUE
TOTAL ADDITIONAL REVENUES	10,704	11,548
ADDITIONAL EXPENSES:
Payroll and related costs	7,172	7,102
Operating expenses	1,671	1,470
Occupancy costs	572	480
Selling, general and administrative expenses	3,938	3,389
Depreciation and amortization	553	447
TOTAL ADDITIONAL EXPENSES	17,365	17,221
Income from Operations	(6,661)	(5,673)
OTHER INCOME (EXPENSE):
Interest expense	(1,019)	(1,067)
Interest and other income	103	44
Gain on sale of property and equipment	2
OTHER INCOME (EXPENSE)	(914)	(1,023)
Income (loss) before provision for income taxes:	(7,575)	(6,696)
Provision for income taxes	(286)	(649)
Net Income	(7,861)	(7,345)
Less: Net Income attributable to noncontrolling interests
Net Income Attributable to Flanigan's Enterprises, Inc.	(7,861)	(7,345)
Corporate [Member] | Restaurant food sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Corporate [Member] | Intersegment revenues [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Corporate [Member] | Restaurant bar sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Corporate [Member] | Package goods sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL 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]
Schedule of Business Segments [Line Items]
Franchise-related revenues	1,693	1,857
ADDITIONAL REVENUES:
Franchise-related revenues	1,693	1,857
Corporate [Member] | Intersegment franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Intersegment franchise-related revenues	5,845	6,600
ADDITIONAL REVENUES:
Intersegment franchise-related revenues	5,845	6,600
Corporate [Member] | Rental income [Member]
Schedule of Business Segments [Line Items]
Rental income	1,105	951
ADDITIONAL REVENUES:
Rental income	1,105	951
Corporate [Member] | Intersegment rental income [Member]
Schedule of Business Segments [Line Items]
Intersegment rental income	849	825
ADDITIONAL REVENUES:
Intersegment rental income	849	825
Corporate [Member] | Intersegment partnership income [Member]
Schedule of Business Segments [Line Items]
Intersegment partnership income	1,156	1,312
ADDITIONAL REVENUES:
Intersegment partnership income	1,156	1,312
Corporate [Member] | Other operating income [Member]
Schedule of Business Segments [Line Items]
Other revenues	56	3
ADDITIONAL REVENUES:
Other revenues	56	3
Corporate [Member] | Intersegment payroll costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Corporate [Member] | Intersegment operating expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses	3,173	4,060
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	286	273
Corporate [Member] | Intersegment interest expense [Member]
OTHER INCOME (EXPENSE):
Interest expense	(8)	(8)
Corporate [Member] | Intersegment interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income	8	8
Corporate [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs
Eliminations [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	(4,141)	(3,919)
COST OF MERCHANDISE SOLD:
TOTAL COST OF MERCHANDISE SOLD:	(4,141)	(3,919)
GROSS PROFIT
ADDITIONAL REVENUES:
TOTAL REVENUE	(4,141)	(3,919)
TOTAL ADDITIONAL REVENUES	(7,850)	(8,737)
ADDITIONAL EXPENSES:
Payroll and related costs
Operating expenses
Occupancy costs
Selling, general and administrative expenses
Depreciation and amortization
TOTAL ADDITIONAL EXPENSES	(6,715)	(7,445)
Income from Operations	(1,135)	(1,292)
OTHER INCOME (EXPENSE):
Interest expense
Interest and other income
Gain on sale of property and equipment
OTHER INCOME (EXPENSE)	(20)	(20)
Income (loss) before provision for income taxes:	(1,155)	(1,312)
Provision for income taxes
Net Income	(1,155)	(1,312)
Less: Net Income attributable to noncontrolling interests
Net Income Attributable to Flanigan's Enterprises, Inc.	(1,155)	(1,312)
Eliminations [Member] | Restaurant food sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Eliminations [Member] | Intersegment revenues [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE	(4,141)	(3,919)
ADDITIONAL REVENUES:
TOTAL REVENUE	(4,141)	(3,919)
Eliminations [Member] | Restaurant bar sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL REVENUES:
TOTAL REVENUE
Eliminations [Member] | Package goods sales [Member]
Schedule of Business Segments [Line Items]
TOTAL REVENUE
ADDITIONAL 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:	(4,141)	(3,919)
Eliminations [Member] | Franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Franchise-related revenues
ADDITIONAL REVENUES:
Franchise-related revenues
Eliminations [Member] | Intersegment franchise-related revenues [Member]
Schedule of Business Segments [Line Items]
Intersegment franchise-related revenues	(5,845)	(6,600)
ADDITIONAL REVENUES:
Intersegment franchise-related revenues	(5,845)	(6,600)
Eliminations [Member] | Rental income [Member]
Schedule of Business Segments [Line Items]
Rental income
ADDITIONAL REVENUES:
Rental income
Eliminations [Member] | Intersegment rental income [Member]
Schedule of Business Segments [Line Items]
Intersegment rental income	(849)	(825)
ADDITIONAL REVENUES:
Intersegment rental income	(849)	(825)
Eliminations [Member] | Intersegment partnership income [Member]
Schedule of Business Segments [Line Items]
Intersegment partnership income	(1,156)	(1,312)
ADDITIONAL REVENUES:
Intersegment partnership income	(1,156)	(1,312)
Eliminations [Member] | Other operating income [Member]
Schedule of Business Segments [Line Items]
Other revenues
ADDITIONAL REVENUES:
Other revenues
Eliminations [Member] | Intersegment payroll costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs	24
Eliminations [Member] | Intersegment operating expenses [Member]
ADDITIONAL EXPENSES:
Intersegment operating expenses	(5,604)	(6,372)
Eliminations [Member] | Intersegment occupancy costs [Member]
ADDITIONAL EXPENSES:
Intersegment occupancy costs	(849)	(825)
Eliminations [Member] | Intersegment Selling, general and administrative expenses [Member]
ADDITIONAL EXPENSES:
Intersegment selling, general and administrative expenses	(286)	(273)
Eliminations [Member] | Intersegment interest expense [Member]
OTHER INCOME (EXPENSE):
Interest expense	8	8
Eliminations [Member] | Intersegment interest and other income [Member]
OTHER INCOME (EXPENSE):
Interest and other income	(28)	(28)
Eliminations [Member] | Payroll and related costs [Member]
ADDITIONAL EXPENSES:
Intersegment payroll costs		25
Restaurants [Member]
Capital Expenditures:
Total capital expenditures	4,986	7,440
Identifiable Assets:
Total identifiable assets	77,613	76,575
Package stores [Member]
Capital Expenditures:
Total capital expenditures	197	3,855
Identifiable Assets:
Total identifiable assets	23,084	23,714
Corporate [Member]
Capital Expenditures:
Total capital expenditures	864	9,279
Identifiable Assets:
Total identifiable assets	$ 41,385	$ 45,480