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INVESTMENTS IN REAL PROPERTY (Details) | 3 Months Ended
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Apr. 01, 2017 USD ($)
INVESTMENT IN REAL PROPERTY FINANCED BY DEBT [Abstract] |
Purchase price of property | $ 550,000

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- References No definition available. + Details
Name: | bdl_InvestmentInRealPropertyFinancedByDebtAbstract
Namespace Prefix: | bdl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The cash outflow from the acquisition of real estate property. + References No definition available. + Details
Name: | bdl_PaymentsToAcquireRealPropertyImprovementsAndVacantRealProperty
Namespace Prefix: | bdl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration