Document and Entity Information - USD ($)	12 Months Ended
	Sep. 28, 2019	Dec. 20, 2019	Mar. 29, 2019
Document And Entity Information [Abstract]
Entity Registrant Name	FLANIGANS ENTERPRISES INC
Entity Central Index Key	0000012040
Document Type	10-K
Document Period End Date	Sep. 28, 2019
Amendment Flag	false
Current Fiscal Year End Date	--09-28
Is Entity a Well-known Seasoned Issuer	No
Is Entity a Voluntary Filer	No
Is Entity's Reporting Status Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		1,858,647
Entity Public Float			$ 18,984,000
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Trading Symbol	BDL
Entity Interactive Data Current	Yes
Entity File Number	1-6836
Entity Incorporation State Country Code	FL