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Summary of Significant Accounting Policies (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 05, 2018 USD ($) | Feb. 03, 2018 USD ($) segment subsidiary | Jan. 28, 2017 USD ($) | Jan. 30, 2016 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |
Number of subsidiaries | subsidiary |  | 4 |  |
Fiscal period duration |  | 371 days | 364 days | 364 days
Number of reportable segments | segment |  | 1 |  |
Allowance for doubtful accounts receivable |  | $ 0 | $ 0 |
Inventory valuation reserves |  | 7,139 | 6,539 |
Impairment charge to long-lived assets |  | 0 | 0 | $ 0
Sales returns reserve |  | 697 | 964 |
Gift breakage income |  | $ 1,337 | 347 | 846
Loyalty points dormancy period |  | 18 months |  |
Recognized customer loyalty program breakage income |  | $ 1,022 | 611 | 232
Stop-loss insurance maintained by health insurance company, deductible per person under health insurance |  | 100 |  |
Reserve on claims included in accrued expenses |  | 922 | 1,001 |
Stop-loss insurance maintained by workers compensation insurance company, deductible per person under workers compensation insurance |  | 150 |  |
Workers compensation plan, estimated IBNR |  | 659 | 650 |
Advertising Expense |  | $ 7,760 | 7,513 | $ 6,634
Minimum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Furniture, fixtures, and equipment, estimated useful life |  | P3Y |  |
Maximum |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Furniture, fixtures, and equipment, estimated useful life |  | P10Y |  |
Wells Fargo Senior Secured Revolving Credit Facility |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
In Transit Deposits |  | $ 6,629 | $ 6,138 |
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Gift breakage income | $ 3,400 |  |  |

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