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SUBSEQUENT EVENTS (Details) - Subsequent Event [Member]	2 Months Ended
	Feb. 13, 2018
Maturity date for extension of lease	Jul. 31, 2026
Percentage of increases on base rent annually commencing February 1, 2021	3.00%
Estimated increase in base and percentage rent	20.00%

X

- Definition

Estimated percentage rent.

+ References

No definition available.

+ Details

Name:	bdl_EstimatedPercentageRent
Namespace Prefix:	bdl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of increases on base rent annually commencing February 1, 2021.

+ References

No definition available.

+ Details

Name:	bdl_PercentageOfIncreasesOnBaseRent
Namespace Prefix:	bdl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: