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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) restaurant | Jan. 01, 2022 USD ($) | Oct. 01, 2022 USD ($)
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Impairment charge | $ 0 | $ 0 |
Revenues | 47,445,000 | 43,986,000 |
Unearned revenue | 3,325,000 |  | $ 5,534,000
Gift cards liability | $ 430,000 |  | $ 309,000
Restaurants and Bars |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | restaurant | 17 |  |
Fast Food Concepts and Catering Operations |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of restaurants | restaurant | 16 |  |
Catering Services |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Revenues | $ 5,583,000 | $ 3,213,000 |
One Hotel Operator | Accounts Receivable | Customer Concentration Risk |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |
Concentration risk | 41.00% |  | 54.00%

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