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Term Loan and Line of Credit (Line of Credit) (Details) - USD ($) | 12 Months Ended
--- | ---
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 |

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