Annual report pursuant to Section 13 and 15(d)

Credit Agreements (Details)

v3.7.0.1
Credit Agreements (Details) - USD ($)
1 Months Ended 12 Months Ended
Mar. 21, 2017
Apr. 30, 2016
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Mar. 10, 2016
Oct. 08, 2015
Debt Instrument [Line Items]              
Long-term debt, gross of unamortized issuance costs     $ 86,829,000        
Long-term debt     85,388,000 $ 72,414,000      
Long-term debt, current maturities     (3,242,000) (2,143,000)      
Long-term credit facility, excluding current portion     82,146,000 70,271,000      
Maturities of Long-term Debt [Abstract]              
Long-term credit facilities, Maturities, Fiscal Year 2017     3,242,000        
Long-term credit facilities, Maturities, Fiscal Year 2018     2,993,000        
Long-term credit facilities, Maturities, Fiscal Year 2019     2,743,000        
Long-term credit facilities, Maturities, Fiscal Year 2020     64,959,000        
Long-term credit facilities, Maturities, Fiscal Year 2021     12,892,000        
Subsequent Events [Abstract]              
Principal prepayment of GACP Term Loan     2,852,000 2,076,000 $ 145,000    
Proceeds from PNC Credit Facility     $ 0 19,200,000 2,700,000    
Debt Instrument, Maturity Date     May 01, 2020        
PNC Bank, N.A. [Member]              
Debt Instrument [Line Items]              
Revolving line of credit facility, maximum borrowing capacity     $ 90,000,000        
Revolving line of credit, accordion feature     25,000,000        
Revolving line of credit facility, capacity available for the issuance of letters of credit     $ 6,000,000        
Debt instrument term     5 years        
Imputed effective interest rate     7.60%        
Interest expense     $ 3,819,000 2,702,000 $ 1,554,000    
Debt instrument covenant compliance, minimum unrestricted cash plus facility requirement     $ 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     $ 18,000,000        
Unrestricted cash plus credit facility available     52,500,000        
Debt issuance costs, gross of amortization     1,181,000        
PNC Bank, N.A. [Member] | Original 2012 Line Of Credit Agreement [Member]              
Debt Instrument [Line Items]              
Debt issuance costs, gross of amortization     466,000        
PNC Bank, N.A. [Member] | Line of Credit [Member]              
Debt Instrument [Line Items]              
Revolving loan     59,900,000 59,900,000      
Remaining borrowing capacity     19,800,000        
Maturities of Long-term Debt [Abstract]              
Long-term credit facilities, Maturities, Fiscal Year 2017     0        
Long-term credit facilities, Maturities, Fiscal Year 2018     0        
Long-term credit facilities, Maturities, Fiscal Year 2019     0        
Long-term credit facilities, Maturities, Fiscal Year 2020     59,900,000        
Long-term credit facilities, Maturities, Fiscal Year 2021     0        
PNC Bank, N.A. [Member] | Term Loan [Member]              
Debt Instrument [Line Items]              
Long-term debt, gross of unamortized issuance costs     10,637,000 12,780,000      
Less unamortized debt issuance costs     (181,000) (266,000)      
Long-term debt     10,456,000 12,514,000     $ 15,000,000
Long-term debt, current maturities     (2,300,000)        
First security interest maximum     $ 13,000,000        
Debt instrument term     84 months        
Mandatory prepayment percentage of excess cash flow     50.00%        
Mandatory prepayment maximum amount     $ 2,000,000        
Maturities of Long-term Debt [Abstract]              
Long-term credit facilities, Maturities, Fiscal Year 2017     2,321,000        
Long-term credit facilities, Maturities, Fiscal Year 2018     2,143,000        
Long-term credit facilities, Maturities, Fiscal Year 2019     1,964,000        
Long-term credit facilities, Maturities, Fiscal Year 2020     4,209,000        
Long-term credit facilities, Maturities, Fiscal Year 2021     $ 0        
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 term     5 years        
Mandatory prepayment percentage of excess cash flow     50.00%        
Imputed effective interest rate     14.80%        
Interest expense     $ 2,099,000        
Debt instrument covenant compliance, minimum unrestricted cash plus facility requirement     $ 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     $ 18,000,000        
Debt issuance costs, gross of amortization     1,556,000        
GACP [Member] | Term Loan [Member]              
Debt Instrument [Line Items]              
Long-term debt, gross of unamortized issuance costs     16,292,000 0      
Less unamortized debt issuance costs     (1,260,000) 0      
Long-term debt     15,032,000 $ 0   $ 17,000,000  
Monthly installment amount, Repayments of principal   $ 70,833          
Maturities of Long-term Debt [Abstract]              
Long-term credit facilities, Maturities, Fiscal Year 2017     921,000        
Long-term credit facilities, Maturities, Fiscal Year 2018     850,000        
Long-term credit facilities, Maturities, Fiscal Year 2019     779,000        
Long-term credit facilities, Maturities, Fiscal Year 2020     850,000        
Long-term credit facilities, Maturities, Fiscal Year 2021     $ 12,892,000        
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 Option [Member]              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate     11.00%        
GACP [Member] | Year One [Member]              
Debt Instrument [Line Items]              
Debt early termination fee, percentage     3.00%        
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 Option [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 Option [Member] | Term Loan [Member]              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate     5.00%        
Subsequent Event [Member]              
Subsequent Events [Abstract]              
Principal prepayment of GACP Term Loan $ 9,500,000            
Proceeds from PNC Credit Facility $ 6,000,000            
Debt Instrument, Maturity Date Mar. 22, 2022