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Credit Agreements (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 18, 2017
Mar. 21, 2017
Apr. 30, 2016
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Jan. 28, 2017
Mar. 10, 2016
Oct. 08, 2015
Debt Instrument [Line Items]                    
Long-term debt, gross of unamortized issuance costs       $ 78,478,000   $ 78,478,000        
Long-term debt       78,070,000   78,070,000   $ 85,388,000    
Long-term credit facilities, current maturities       (3,440,000)   (3,440,000)   (3,242,000)    
Long-term credit facilities, excluding current portion       74,630,000   74,630,000   $ 82,146,000    
Principal prepayments of GACP Term Loan           14,352,000 $ 2,102,000      
Loss on extinguishment of debt       (221,000) $ 0 (1,134,000) 0      
Early termination and lender fees included in loss on extinguishment of debt           249,000 0      
Unamortized debt issuance costs included in loss on extinguishment of debt           301,000 410,000      
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        
Proceeds from PNC Credit Facility   $ 6,000,000                
Debt Instrument, Maturity Date   Mar. 21, 2022           May 01, 2020    
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        
Imputed effective interest rate           7.70%        
Interest expense       934,000 997,000 $ 3,076,000 2,864,000      
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       36,300,000   36,300,000        
Debt issuance costs, gross of amortization       1,405,000   1,405,000        
PNC Bank, N.A. [Member] | Original 2012 Line Of Credit Agreement [Member]                    
Debt Instrument [Line Items]                    
Debt issuance costs, gross of amortization       466,000   466,000        
PNC Bank, N.A. [Member] | Line of Credit [Member]                    
Debt Instrument [Line Items]                    
Revolving loan       59,900,000   59,900,000   $ 59,900,000    
Remaining borrowing capacity       12,900,000   12,900,000        
PNC Bank, N.A. [Member] | Term Loan [Member]                    
Debt Instrument [Line Items]                    
Long-term debt, gross of unamortized issuance costs       14,924,000   14,924,000   10,637,000    
Less unamortized debt issuance costs       (163,000)   (163,000)   (181,000)    
Long-term debt       14,761,000   14,761,000   10,456,000   $ 15,000,000
Long-term credit facilities, current maturities       (2,500,000)   (2,500,000)        
First security interest maximum       19,000,000   $ 19,000,000        
Debt instrument term           84 months        
Mandatory prepayment percentage of excess cash flow           50.00%        
Mandatory prepayment maximum amount           $ 2,000,000        
PNC Bank, N.A. [Member] | Year One [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           3.00%        
PNC Bank, N.A. [Member] | Year Two [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           1.00%        
PNC Bank, N.A. [Member] | Year Three [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           0.50%        
PNC Bank, N.A. [Member] | After Year Three [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           0.00%        
GACP [Member]                    
Debt Instrument [Line Items]                    
Debt Instrument, Maturity Date           Mar. 09, 2021        
Debt instrument term           5 years        
Mandatory prepayment percentage of excess cash flow           50.00%        
Imputed effective interest rate           16.30%        
Interest expense       219,000 $ 585,000 $ 880,000 $ 1,519,000      
Debt instrument covenant compliance, minimum unrestricted cash plus facility requirement       10,000,000   $ 10,000,000        
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        
Debt issuance costs, gross of amortization       1,559,000   1,559,000        
GACP [Member] | Term Loan [Member]                    
Debt Instrument [Line Items]                    
Long-term debt, gross of unamortized issuance costs       3,654,000   3,654,000   16,292,000    
Less unamortized debt issuance costs       (245,000)   (245,000)   (1,260,000)    
Long-term debt       3,409,000   3,409,000   $ 15,032,000 $ 17,000,000  
Long-term credit facilities, current maturities       $ (921,000)   (921,000)        
Principal prepayments of GACP Term Loan $ 2,500,000 $ 9,500,000                
Loss on extinguishment of debt 221,000 913,000                
Early termination and lender fees included in loss on extinguishment of debt 50,000 199,000                
Unamortized debt issuance costs included in loss on extinguishment of debt $ 171,000 $ 714,000       $ 885,000        
Monthly installment amount, Repayments of principal     $ 70,833              
GACP [Member] | Alternate Base Rate [Domain]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           10.00%        
GACP [Member] | LIBOR [Member]                    
Debt Instrument [Line Items]                    
LIBOR Rate Period One           1 month        
LIBOR Rate Period Two           2 months        
LIBOR Rate Period Three           3 months        
GACP [Member] | Interest Rate Floor [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           1.00%        
GACP [Member] | Base Rate [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           11.00%        
GACP [Member] | Year Two [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           2.00%        
GACP [Member] | Year Three [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           1.00%        
GACP [Member] | After Year Three [Member]                    
Debt Instrument [Line Items]                    
Debt early termination fee, percentage           0.00%        
Minimum [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%        
Minimum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Term Loan [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           5.00%        
Minimum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Term Loan [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           4.00%        
Maximum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Line of Credit [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           4.50%        
Maximum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Term Loan [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           6.00%        
Maximum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Term Loan [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate           5.00%