9 - Leases (Details) - Schedule of Lease Cost - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Nov. 03, 2019	Feb. 03, 2019
9 - Leases (Details) - Schedule of Lease Cost [Line Items]
Operating lease cost	$ 2,263	$ 6,756
Operating cash outflows	1,918	6,255
Leases Greater Than 12 Months [Member]
9 - Leases (Details) - Schedule of Lease Cost [Line Items]
Operating lease cost	2,090	6,289
Leases Less Than 12 Months [Member]
9 - Leases (Details) - Schedule of Lease Cost [Line Items]
Operating lease cost	$ 173	$ 467

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

Name:	us-gaap_OperatingLeaseCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration