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DEBT AND CREDIT AGREEMENTS (Details) - USD ($)
$ in Thousands
 6 Months Ended
Aug. 23, 2012
Jun. 30, 2015
Jun. 29, 2015
Dec. 31, 2014
Credit Facilities        
Line of credit   $ 527    
Less-Current portion   (1,306)   $ (268)
Long-term debt, net of current maturities   6,886   2,650
New Markets Tax Credit Transaction        
Credit Facilities        
Long-term debt, net of current maturities   2,600    
Credit facility        
Credit Facilities        
Line of credit   $ 527    
Debt Instrument additional term   1 year    
Maximum borrowing capacity of the face value of eligible A/R (as a percent) 85.00%      
Maximum percentage of book value of inventories that may be financed 50.00%      
Variable rate basis one-month London Interbank Offered Rate      
Interest rate margin (as a percent) 3.25%      
Annual unused line fee (as a percent) 0.50%      
Outstanding indebtedness under the Credit Facility   $ 527    
Current borrowing capacity   $ 11,973    
Interest rate (as a percent)   4.25%    
Term Loan        
Credit Facilities        
Principal amount     $ 5,000  
Term loan amortization   $ 60    
Term loan balloon payment   $ 4,220    
Interest rate margin (as a percent)   3.50%    
Amount outstanding   $ 5,000    
Term loans and notes payable        
Credit Facilities        
Long-term debt, gross   7,665   $ 2,918
Other term loans        
Credit Facilities        
Amount outstanding   $ 64