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LINE OF CREDIT (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 29, 2016
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2016
Line of Credit [Member]        
Long-term Debt [Line Items]        
Expense associated with strategic assessment   $ 104    
Maximum amount excluded in determining EBITDA covenant in each of first three quarters of 2017   120    
EBITDA generated   $ 881    
Line of Credit [Member] | Maximum [Member]        
Long-term Debt [Line Items]        
Debt To EBITDA ratio for the twelve months ending December 31, 2017 and thereafter   2.5    
Capital expenditure per quarter   $ 180    
Debt To EBITDA ratio       3.15
Line of Credit [Member] | Minimum [Member]        
Long-term Debt [Line Items]        
Fixed charge coverage ratio   1.25 1.35  
Amount of generated EBITDA required to comply with covenant in each of first three quarters of 2017   $ 870    
Amount of generated EBITDA     $ 650  
Domestic Line Of Credit Due March 2018 [Member]        
Long-term Debt [Line Items]        
Maximum borrowing capacity $ 2,000 800    
Amount available for borrowing   $ 1,300    
Revolving line of credit commitment reduction amount 300      
Line of credit interest rate   4.73%    
Maturity date   Mar. 31, 2018    
Domestic Line Of Credit Due March 2021 [Member]        
Long-term Debt [Line Items]        
Amount outstanding 10,000 $ 8,000    
Amount available for borrowing   $ 716    
Quarterly payment of loan payable $ 500      
Reduction in EBITDA percentage   50.00%    
Interest payment on credit facilty   $ 2,000    
Line of credit interest rate   4.73%    
Maturity date   Mar. 31, 2021    
LIBOR Borrowing Rate [Member] | Domestic Line Of Credit Due March 2018 [Member] | Maximum [Member]        
Long-term Debt [Line Items]        
Basis spread on variable rate 3.75%      
LIBOR Borrowing Rate [Member] | Domestic Line Of Credit Due March 2018 [Member] | Minimum [Member]        
Long-term Debt [Line Items]        
Basis spread on variable rate 3.10%      
LIBOR Borrowing Rate [Member] | Domestic Line Of Credit Due March 2021 [Member] | Maximum [Member]        
Long-term Debt [Line Items]        
Basis spread on variable rate 3.75%      
LIBOR Borrowing Rate [Member] | Domestic Line Of Credit Due March 2021 [Member] | Minimum [Member]        
Long-term Debt [Line Items]        
Basis spread on variable rate 3.10%