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NOTES PAYABLE TO BANKS (Details)
 3 Months Ended 6 Months Ended 21 Months Ended
Jul. 01, 2023
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jul. 01, 2023
Dec. 31, 2022
USD ($)
Line of Credit Facility [Line Items]                
Maximum debt consolidated leverage ratio         2.50      
Minimum debt consolidated fixed charge coverage ratio         1.25      
Origination and other debt related costs   $ 195,000     $ 195,000      
Revolving Credit Facility                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity       $ 20,000,000.0        
Increase in the aggregate commitments from committed accordion       35,000,000.0        
Additional interest 0.1145%           0.1145%  
Outstanding borrowings   0     0     $ 0
Interest incurred   22,000 $ 22,000   45,000 $ 45,000    
Interest expense paid   $ 0 $ 7,000   $ 38,000 $ 32,000    
Revolving Credit Facility | Minimum                
Line of Credit Facility [Line Items]                
Interest rate 1.50%              
Facility fee             0.25%  
Revolving Credit Facility | Maximum                
Line of Credit Facility [Line Items]                
Interest rate 2.50%              
Facility fee             0.45%  
Swingline loans                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity       5,000,000.0        
Letter of Credit                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity       $ 2,500,000