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Revolving Line Of Credit (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Jul. 24, 2017 | May 18, 2017 | Feb. 03, 2018 | Jan. 28, 2017
LIBOR |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  | 6.25% |  |
Wells Fargo Senior Secured Revolving Credit Facility |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Increase line of credit facility, maximum borrowing capacity | $ 15,000 |  |  |
Line of credit facility, maximum borrowing capacity | $ 150,000 |  |  |
Line of credit facility, amount outstanding |  |  | $ 66,621 | $ 67,110
Amounts in depository under lock-box arrangements |  |  | $ 6,629 | 6,138
Weighted average interest rate on amount outstanding |  |  | 3.26% |
Revolving credit facility, covenant term |  |  | The Revolving Line of Credit also requires the Company to maintain a minimum availability at all times of not less than 10% of the gross borrowing base, and in any event, not less than $5,000 |
Line of credit , maturity date |  |  | Dec. 03, 2020 |
Deferred financing fees outstanding |  |  | $ 393 | 419
Amortization of deferred financing fees |  |  | $ 131 | $ 161
Wells Fargo Senior Secured Revolving Credit Facility | Minimum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Line of credit facility gross borrowing base percentage |  |  | 10.00% |
Line of credit facility available borrowing capacity |  |  | $ 5,000 |
Wells Fargo Senior Secured Revolving Credit Facility | Federal Funds Rate |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  |  | 0.50% |
Wells Fargo Senior Secured Revolving Credit Facility | Base Rate | Minimum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  |  | 0.25% |
Wells Fargo Senior Secured Revolving Credit Facility | Base Rate | Maximum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  |  | 0.75% |
Wells Fargo Senior Secured Revolving Credit Facility | LIBOR |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  |  | 1.00% |
Wells Fargo Senior Secured Revolving Credit Facility | LIBOR | Minimum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  |  | 1.25% |
Wells Fargo Senior Secured Revolving Credit Facility | LIBOR | Maximum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument applicable margin |  |  | 1.75% |
Wells Fargo Stand-by Commercial Letters of Credit |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Net borrowing available under revolving line of credit |  |  | $ 1,505 |

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- Definition The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount. + References No definition available. + Details
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- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(8)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Description of the conditions for borrowing under the credit facility including the nature of any restrictions. + 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 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any 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 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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 + Details
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