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Stock-Based Compensation - Summary of Activity for Non-Vested Shares under Two Thousand Six And Two Thousand Sixteen Plan (Parenthetical) (Details) - USD ($) | 6 Months Ended
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Aug. 04, 2018 | Jul. 29, 2017
Deferred stock |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares granted |  | 54,798 | 43,467
2016-2017 Long Term Incentive Plan | Time-Based RSUs |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares vested |  | 329,208 |
Number of shares of common stock issued |  | 322,518 |
Employee Stock Plan, 2006 Plan and 2016 Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares vested |  | 405,275 |
Shares granted |  | 486,728 |
Shares granted during the period, fair value |  | $ 103,296 |
Share-based compensation arrangement by share-based payment award, vesting period |  | 3 years |
Percentage of quarterly retainer |  | 50.00% |
Employee Stock Plan, 2006 Plan and 2016 Plan | Certain Directors |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares granted |  | 67,305 |
Shares granted during the period, fair value |  | $ 127,795 |
Employee Stock Plan, 2006 Plan and 2016 Plan | Deferred stock |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares vested | [1] | 5,429 |
Shares granted |  | 54,798 |
Employee Stock Plan, 2006 Plan and 2016 Plan | Deferred stock | Certain Directors |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares granted | [1] | 54,798 |
[1] | The 54,798 shares of deferred stock, with a fair value of $103,296, represent compensation to certain directors in lieu of cash, in accordance with their irrevocable elections. The shares of deferred stock will vest three years from the date of grant or at separation of service, based on the irrevocable election of each director.

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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