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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 30, 2024
USD ($)
restaurant
Apr. 01, 2023
USD ($)
Mar. 30, 2024
USD ($)
restaurant
Apr. 01, 2023
USD ($)
Sep. 30, 2023
USD ($)
Business And Summary Of Significant Accounting Policies [Line Items]          
Impairment charge $ 0 $ 0 $ 0 $ 0  
Revenues 42,257,000 41,897,000 89,743,000 89,342,000  
Unearned revenue 5,463,000   5,463,000   $ 5,962,000
Gift cards liability $ 461,000   $ 461,000   $ 340,000
Restaurants and Bars          
Business And Summary Of Significant Accounting Policies [Line Items]          
Number of restaurants | restaurant 17   17    
Fast Food Concepts and Catering Operations          
Business And Summary Of Significant Accounting Policies [Line Items]          
Number of restaurants | restaurant 16   16    
Catering Services          
Business And Summary Of Significant Accounting Policies [Line Items]          
Revenues $ 2,203,000 $ 1,541,000 $ 8,617,000 $ 7,124,000  
Purchases | Supplier Concentration Risk | One Vendor          
Business And Summary Of Significant Accounting Policies [Line Items]          
Concentration risk 13.00%   12.00%    
Purchases | Supplier Concentration Risk | Two Vendors          
Business And Summary Of Significant Accounting Policies [Line Items]          
Concentration risk   24.00%   22.00%  
One Hotel Operator | Accounts Receivable | Customer Concentration Risk          
Business And Summary Of Significant Accounting Policies [Line Items]          
Concentration risk     42.00%    
Two Hotel Operator | Accounts Receivable | Customer Concentration Risk          
Business And Summary Of Significant Accounting Policies [Line Items]          
Concentration risk         52.00%