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DEBT (Details)
$ in Thousands
3 Months Ended
Apr. 29, 2019
USD ($)
Nov. 07, 2018
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Debt Instruments [Abstract]        
Long-term debt, gross     $ 103,875 $ 120,000
Less: Current portion of long term debt [1]     (4,498) (3,936)
Less: Debt origination costs     (2,597) (2,738)
Long-term debt, noncurrent     96,780 113,326
Debt origination costs, current     $ 600 600
Minimum [Member]        
Debt Instruments [Abstract]        
Fixed charge coverage ratio     1.25  
Maximum [Member]        
Debt Instruments [Abstract]        
Consolidated leverage ratio     3.25  
Term Loan [Member]        
Debt Instruments [Abstract]        
Long-term debt, gross     $ 88,875 90,000
Revolving Credit Facility [Member]        
Debt Instruments [Abstract]        
Long-term debt, gross     $ 15,000 $ 30,000
Credit Agreement [Member]        
Debt Instruments [Abstract]        
Maturity date     Nov. 07, 2023  
Unused line fee percentage   0.35%    
Credit Agreement [Member] | LIBOR [Member]        
Debt Instruments [Abstract]        
Interest rate   4.50%    
Credit Agreement [Member] | Base Rate [Member]        
Debt Instruments [Abstract]        
Interest rate   3.50%    
Credit Agreement [Member] | Term Loan [Member]        
Debt Instruments [Abstract]        
Aggregate principal amount   $ 90,000    
Effective interest rate     8.78%  
Frequency of principal payment     Quarterly  
Credit Agreement [Member] | Term Loan [Member] | Year 1 [Member]        
Debt Instruments [Abstract]        
Periodic repayment percentage   5.00%    
Credit Agreement [Member] | Term Loan [Member] | Year 2 [Member]        
Debt Instruments [Abstract]        
Periodic repayment percentage   7.50%    
Credit Agreement [Member] | Term Loan [Member] | Year 3 [Member]        
Debt Instruments [Abstract]        
Periodic repayment percentage   7.50%    
Credit Agreement [Member] | Term Loan [Member] | Year 4 [Member]        
Debt Instruments [Abstract]        
Periodic repayment percentage   10.00%    
Credit Agreement [Member] | Term Loan [Member] | Year 5 [Member]        
Debt Instruments [Abstract]        
Periodic repayment percentage   10.00%    
Credit Agreement [Member] | Revolving Credit Facility [Member]        
Debt Instruments [Abstract]        
Maximum borrowing capacity   $ 35,000    
Effective interest rate     7.72%  
Credit Agreement [Member] | Incremental Facility [Member]        
Debt Instruments [Abstract]        
Maximum borrowing capacity   $ 30,000    
Increase Joinder [Member] | Incremental Facility [Member] | Subsequent Event [Member]        
Debt Instruments [Abstract]        
Proceeds from credit agreement $ 12,000      
[1] Current portion of long-term debt is net of debt origination costs of $0.6 million at March 31, 2019 and December 31, 2018.