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Term Loan and Line of Credit (Line of Credit) (Details) - USD ($)
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Debt Instrument [Line Items]      
Servicing Fee $ 12,000    
Letters of Credit Outstanding, Borrowing Capacity     $ 19,700,000
Letters of Credit Outstanding, Amount     300,000
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Revolving credit facility maximum borrowings 20,000,000   $ 20,000,000
Issuance of letters of credit $ 5,000,000    
Borrowing base percentage (percent) 90.00%    
Percentage of unused credit facility fee (percent) 0.375%    
Excess collateral availability percentage (percent) 10.00%    
Revolving credit facility collateral amount $ 3,000,000    
Letter of credit fee (percentage) 2.00%    
Line of Credit Borrowed and Repaid During Period   $ 0  
Revolving Credit Facility [Member] | Prime Rate [Member] | Excess Availability Greater Than Or Equal To 75% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 0.75%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 1.00%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Excess Availability Less Than 33% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 1.25%    
Excess interest on available borrowings 33.00%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Minimum [Member] | Excess Availability Greater Than Or Equal To 75% [Member]      
Debt Instrument [Line Items]      
Excess interest on available borrowings 75.00%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Minimum [Member] | Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member]      
Debt Instrument [Line Items]      
Excess interest on available borrowings 33.00%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Maximum [Member] | Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member]      
Debt Instrument [Line Items]      
Excess interest on available borrowings 75.00%    
Revolving Credit Facility [Member] | LIBOR Plus [Member] | Excess Availability Greater Than Or Equal To 75% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 1.75%    
Revolving Credit Facility [Member] | LIBOR Plus [Member] | Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 2.00%    
Revolving Credit Facility [Member] | LIBOR Plus [Member] | Excess Availability Less Than 33% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 2.25%    
Revolving Credit Facility [Member] | LIBOR Plus [Member] | Minimum [Member] | Excess Availability Greater Than Or Equal To 75% [Member]      
Debt Instrument [Line Items]      
Excess interest on available borrowings 75.00%    
Revolving Credit Facility [Member] | LIBOR Plus [Member] | Minimum [Member] | Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member]      
Debt Instrument [Line Items]      
Excess interest on available borrowings 33.00%    
Revolving Credit Facility [Member] | LIBOR Plus [Member] | Maximum [Member] | Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member]      
Debt Instrument [Line Items]      
Excess interest on available borrowings 75.00%    
amended revolving credit facility [Member]      
Debt Instrument [Line Items]      
Revolving credit facility maximum borrowings $ 20,000,000.0    
Issuance of letters of credit 20,000,000.0    
Revolving credit facility collateral amount $ 100,000,000.0    
Letter of credit fee (percentage) 2.00%    
Line of Credit Borrowed and Repaid During Period $ 0    
amended revolving credit facility [Member] | LIBOR Plus [Member] | Excess Availability Greater Than Or Equal To 75% [Member]      
Debt Instrument [Line Items]      
Interest rate on borrowings (percent) 1.00%    
Revolving Credit Facility [Member] | Borrowing Capacity Increase Under Certain Conditions [Member]      
Debt Instrument [Line Items]      
Revolving credit facility maximum borrowings $ 30,000,000    
amended revolving credit facility [Member] | Borrowing Capacity Increase Under Certain Conditions [Member]      
Debt Instrument [Line Items]      
Revolving credit facility maximum borrowings $ 50,000,000.0