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DEBT (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Debt [Abstract]
Institutional loans	$ 21,610,000

X

- Definition

Amount of premium payable.

+ References

No definition available.

+ Details

Name:	bdl_AmountOfPremiumPayable
Namespace Prefix:	bdl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration