Quarterly report pursuant to Section 13 or 15(d)

Credit Agreements (Details)

v3.10.0.1
Credit Agreements (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 06, 2017
Oct. 18, 2017
Mar. 21, 2017
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Feb. 03, 2018
Debt Instrument [Line Items]                
Long-term debt, gross of unamortized issuance costs       $ 68,900,000   $ 68,900,000    
Long-term debt       68,756,000   68,756,000   $ 73,899,000
Long-term credit facilities, current maturities       (2,714,000)   (2,714,000)   (2,326,000)
Long-term credit facilities, excluding current portion       66,042,000   66,042,000   71,573,000
Principal prepayments of GACP Term Loan           969,000 $ 11,058,000  
Loss on debt extinguishment       0 $ 0 0 913,000  
Early termination and lender fees included in loss on extinguishment of debt           0 199,000  
Unamortized debt issuance costs included in loss on extinguishment of debt           104,000 214,000  
PNC Bank, N.A. [Member]                
Debt Instrument [Line Items]                
Revolving line of credit facility, maximum borrowing capacity       90,000,000   90,000,000    
Revolving line of credit, accordion feature       25,000,000   $ 25,000,000    
Increase of term loan       5,821,000        
Debt Instrument, Maturity Date           Jul. 27, 2023    
Revolving line of credit facility, capacity available for the issuance of letters of credit       6,000,000   $ 6,000,000    
Debt instrument term           5 years    
Interest expense       898,000 1,079,000 $ 1,922,000 2,142,000  
Debt instrument covenant compliance, minimum unrestricted cash plus facility requirement       10,000,000   10,000,000    
Additional cash required to be restricted under PNC Credit Facility covenants       0   $ 0    
Financial covenant, minimum fixed charge coverage ratio           1.1 to 1.0    
Minimum unrestricted cash plus facility available threshold for additional covenants       10,800,000   $ 10,800,000    
Unrestricted cash plus credit facility available       51,400,000   51,400,000    
PNC Bank, N.A. [Member] | Line of Credit [Member]                
Debt Instrument [Line Items]                
Revolving loan       49,900,000   49,900,000   59,900,000
Remaining borrowing capacity       23,300,000   23,300,000    
PNC Bank, N.A. [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Long-term debt, gross of unamortized issuance costs       19,000,000   19,000,000   14,148,000
Less unamortized debt issuance costs       144,000   144,000   149,000
Long-term debt       18,856,000   18,856,000   13,999,000
Long-term credit facilities, current maturities       (2,714,000)   $ (2,714,000)    
Debt instrument term           84 months    
Mandatory prepayment percentage of excess cash flow           50.00%    
Mandatory prepayment maximum amount           $ 2,000,000    
Imputed effective interest rate           5.80%    
PNC Bank, N.A. [Member] | Year One - On or Before July 27, 2019 [Member]                
Debt Instrument [Line Items]                
Debt early termination fee, percentage           3.00%    
PNC Bank, N.A. [Member] | Year Two - On or Before July 27, 2020 [Member]                
Debt Instrument [Line Items]                
Debt early termination fee, percentage           1.00%    
PNC Bank, N.A. [Member] | Year Three - On or Before July 27, 2021 [Member]                
Debt Instrument [Line Items]                
Debt early termination fee, percentage           0.50%    
PNC Bank, N.A. [Member] | After Year Three - July 27, 2021 [Member]                
Debt Instrument [Line Items]                
Debt early termination fee, percentage           0.00%    
GACP [Member]                
Debt Instrument [Line Items]                
Interest expense         $ 231,000   $ 661,000  
GACP [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Principal prepayments of GACP Term Loan $ 3,500,000 $ 2,500,000 $ 9,500,000          
Loss on debt extinguishment     913,000          
Early termination and lender fees included in loss on extinguishment of debt     199,000          
Unamortized debt issuance costs included in loss on extinguishment of debt     $ 714,000          
Minimum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Line of Credit [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           2.00%    
Minimum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           3.00%    
Minimum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Line of Credit [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           1.00%    
Minimum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           2.00%    
Maximum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Line of Credit [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           3.00%    
Maximum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           4.00%    
Maximum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Line of Credit [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           2.00%    
Maximum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           3.00%    
Other Assets [Member] | PNC Bank, N.A. [Member]                
Debt Instrument [Line Items]                
Deferred financing costs, Revolving line of credit, net       $ 650,000   $ 650,000   $ 656,000