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INVESTMENT IN REAL PROPERTY; OPTION TO LEASE AGREEMENT (Details) | 3 Months Ended
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Mar. 30, 2019 USD ($)
Investment in real property option to lease agreement [Abstract] |
Purchase price of property | $ 1,300,000

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- References No definition available. + Details
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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
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Namespace Prefix: | bdl_
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