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DEBT (Details) - USD ($)
12 Months Ended 84 Months Ended
Dec. 29, 2017
Jul. 27, 2019
Dec. 29, 2024
Jul. 28, 2018
Debt Instrument [Line Items]        
Loans receivable $ 4,835,000      
Interest on unrelated party note receivable percentage 1.403%      
Third party contribution to investment fund $ 2,375,000      
Notes payable related to New Markets Tax Credit $ 6,563,000 $ 6,169,000   $ 6,418,000
Interest rate, stated percentage 1.00%      
Line of Credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum amount available for borrowing   25,000,000    
Line of credit outstanding   $ 0   $ 0
Line of Credit | Revolving Credit Facility | LIBOR        
Debt Instrument [Line Items]        
Basis spread on variable rate   1.25%    
Line of Credit | Letter of Credit        
Debt Instrument [Line Items]        
Maximum amount available for borrowing   $ 3,000,000    
Line of credit outstanding   $ 129,000    
Scenario, Forecast        
Debt Instrument [Line Items]        
Benefit over recapture period     $ 1,728,000