Basis of Presentations (Details) - USD ($) $ in Millions			6 Months Ended
	May 03, 2019	Feb. 02, 2019	Aug. 04, 2018
Basis Of Presentation [Line Items]
Additional capital required to be raised			$ 2.0
Percentage of net proceeds to be retained from issue of additional raised capital			100.00%
Percentage of net proceeds to be retained through increase of working capital by disposition of non-core intangible assets			50.00%
Percentage of retained profits to be used to repay portion of term loan			50.00%
Scenario, Forecast
Basis Of Presentation [Line Items]
Planned increase of working capital, to eliminate requirements to raise additional capital		$ 2.0
New Term Loan Agreement | Scenario, Forecast
Basis Of Presentation [Line Items]
Additional amount of liquidity required to raised	$ 2.0