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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No definition available.

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- Definition

Letter Of Credit Fee Percentage

+ References

No definition available.

+ Details

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- Definition

Letters of Credit Outstanding, Borrowing Capacity

+ References

No definition available.

+ Details

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- Definition

Letters Of Credit Sublimit Under Credit Facility

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility Collateral Amount

+ References

No definition available.

+ Details

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- Definition

Line of Credit Borrowed and Repaid During Period

+ References

No definition available.

+ Details

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- Definition

Percentage Of Average Borrowing Availability Under Credit Facility

+ References

No definition available.

+ Details

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- Definition

Percentage Of Borrowing Base Of Line Of Credit Facility

+ References

No definition available.

+ Details

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- Definition

Percentage Of Unused Line Of Credit Facility Fee

+ References

No definition available.

+ Details

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- Definition

Servicing Fee

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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