XML 79 R69.htm IDEA: XBRL DOCUMENT
v3.23.4

QUARTERLY INFORMATION (UNAUDITED) (Details) - Schedule of Quarterly Information (Parentheticals) - $ / shares | 3 Months Ended
--- | ---
Sep. 30, 2023 | Jul. 01, 2023 | Apr. 01, 2023 | Dec. 31, 2022 | Oct. 01, 2022 | Jul. 02, 2022 | Apr. 02, 2022 | Jan. 01, 2022
Schedule of Quarterly Information [Abstract] |  |  |  |  |  |  |  |
Net income (loss) per share - diluted | $ 0.06 | $ 0.86 | $ 1.02 | $ 0.34 | $ 0.68 | $ 0.99 | $ 0.89 | $ 0.84
Weighted average common stock outstanding – diluted | 1,858,647 | 1,858,647 | 1,858,647 | 1,858,647 | 1,858,647 | 1,858,647 | 1,858,647 | 1,858,647

X
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
Name: | bdl_NetIncomePerShareDiluted
Namespace Prefix: | bdl_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References No definition available. + Details
Name: | bdl_WeightedAverageCommonStockOutstandingDiluted
Namespace Prefix: | bdl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration