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EXPANSION OF LEASED PREMISES; EXTENSION OF LEASE (Details) - Miami, Florida [Member] | 3 Months Ended
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Oct. 02, 2021 USD ($) ft²
Area of land | ft² | 2,100
Lease expiration date | Mar. 31, 2031
Increase in fixed annual rental | $ | $ 5,000
Minimum [Member] |
Lease term | 1 year
Maximum [Member] |
Lease term | 5 years

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- Definition Increase in fixed annual rental. + References No definition available. + Details
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Namespace Prefix: | bdl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Area of land held. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

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- Definition Date which lease or group of leases is set to expire, in YYYY-MM-DD format. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration

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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
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- Details
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- Details
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