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ACQUISITION (Details)
$ in Thousands
1 Months Ended 12 Months Ended
May 31, 2017
USD ($)
installment
Dec. 29, 2018
Dec. 30, 2017
USD ($)
Business Acquisition [Line Items]      
Cash paid     $ 2,867
Term of debt   2 years  
Rambler on LLC      
Business Acquisition [Line Items]      
Assets and liabilities acquired $ 6,000    
Cash paid 2,900    
Principal amount $ 3,000    
Term of debt 2 years    
Interest rate 5.00%    
Debt, number of installments | installment 2