Income Taxes (Details) $ in Millions	3 Months Ended
May 05, 2018 USD ($)
Domestic Tax Authority [Member]
Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 208.3
State and Local Jurisdiction [Member]
Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 273.4
Tax Credit Carryforward Expiration Year	2037
etailz [Member] \| State and Local Jurisdiction [Member]
Income Taxes (Details) [Line Items]
Deferred Tax Liabilities, Net	$ 0.1

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e31931-109318

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant