XML 73 R59.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Retirement Plan (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Feb. 03, 2018 | Jan. 28, 2017 | Jan. 30, 2016
Retirement Plan |  |  |
Company contribution under plan | $ 390 | $ 351 | $ 282

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration