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INDEBTEDNESS (Details) - USD ($)
3 Months Ended 9 Months Ended
Apr. 07, 2015
Sep. 25, 2015
Sep. 26, 2014
Sep. 25, 2015
Sep. 26, 2014
Dec. 31, 2014
Feb. 19, 2014
Schedule of Long-term Debt [Abstract]              
Total debt   $ 50,804,000   $ 50,804,000   $ 21,967,000  
Less revolving loans, classified as current   (600,000)   (600,000)   0  
Long-term debt   23,862,000   23,862,000   0  
Scheduled Maturities of Term Loan [Abstract]              
Total debt   50,804,000   50,804,000   21,967,000  
Amortization of debt issuance cost   180,000,000 $ 56,000,000 458,000 $ 272,000    
BMO Credit Agreement [Member]              
Schedule of Long-term Debt [Abstract]              
Total debt   26,342,000   26,342,000   21,967,000  
Scheduled Maturities of Term Loan [Abstract]              
Total debt   26,342,000   $ 26,342,000   21,967,000  
Maximum borrowing capacity             $ 27,000,000
Expiration date of credit facility       Feb. 17, 2017      
Eligible assets as borrowing base   $ 32,600,000   $ 32,600,000      
Unused commitment fee per quarter   0.25%          
BMO Credit Agreement [Member] | Base Rate [Member] | Minimum [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Basis Spread       0.50%      
BMO Credit Agreement [Member] | Base Rate [Member] | Maximum [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Basis Spread       1.00%      
BMO Credit Agreement [Member] | Eurodollar [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Basis Spread       1.50%      
BMO Credit Agreement [Member] | Eurodollar [Member] | Minimum [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Basis Spread       1.50%      
BMO Credit Agreement [Member] | Eurodollar [Member] | Maximum [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Basis Spread       2.00%      
BMO Credit Agreement [Member] | Federal Funds Rate [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Basis Spread       0.50%      
Amended Revolving Credit Facility [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Maximum borrowing capacity   $ 33,000,000   $ 33,000,000      
Expiration date of credit facility       Apr. 07, 2018      
Second Lien Credit Agreement [Member]              
Schedule of Long-term Debt [Abstract]              
Total debt   24,462,000   $ 24,462,000   0  
Scheduled Maturities of Term Loan [Abstract]              
2016   600,000   600,000      
2017   2,400,000   2,400,000      
2018   2,400,000   2,400,000      
2019   19,062,000   19,062,000      
Total debt   24,462,000   24,462,000   0  
PB Loan Agreement [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Write off of debt issuance cost         $ 109,000    
Term Loan [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Maximum borrowing capacity $ 24,000,000            
Debt instrument interest rate 4.00%            
Percentage of amortization payments and annual excess cash flow prepayments 25.00%            
Term Loan [Member] | LIBOR [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Debt instrument interest rate 9.50%            
Debt instrument term of variable rate 1 month            
Letter of Credit [Member] | BMO Credit Agreement [Member]              
Scheduled Maturities of Term Loan [Abstract]              
Maximum borrowing capacity             $ 3,000,000
Amount outstanding   1,100,000   1,100,000   1,100,000  
Revolving loans [Member]              
Schedule of Long-term Debt [Abstract]              
Less revolving loans, classified as current   $ (26,342,000)   $ (26,342,000)   $ (21,967,000)