Basis of Presentations (Details) - USD ($) $ in Millions		9 Months Ended
	May 03, 2019	Nov. 03, 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%
New Term Loan Agreement | Scenario, Forecast
Basis Of Presentation [Line Items]
Additional amount of liquidity required to raised	$ 2.0