Business Segments and Sales by Product Group (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018 USD ($)	Oct. 28, 2017 USD ($)	Jul. 29, 2017 USD ($)	Apr. 29, 2017 USD ($)	Jan. 28, 2017 USD ($)	Oct. 29, 2016 USD ($)	Jul. 30, 2016 USD ($)	Apr. 30, 2016 USD ($)	Feb. 03, 2018 USD ($) Segment	Jan. 28, 2017 USD ($)	Jan. 30, 2016 USD ($)
Net sales by significant product groups [Line Items]
Net sales	$ 192,716	$ 150,212	$ 148,949	$ 156,343	$ 190,518	$ 151,636	$ 157,139	$ 166,920	$ 648,220	$ 666,213	$ 693,312
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Number of Reportable Segments | Segment									1
Jewelry & Watches [Member]
Net sales by significant product groups [Line Items]
Net sales									$ 230,376	245,202	248,951
Home & Consumer Electronics [Member]
Net sales by significant product groups [Line Items]
Net sales									155,619	151,313	193,931
Beauty [Member]
Net sales by significant product groups [Line Items]
Net sales									92,979	94,451	87,184
Fashion & Accessories [Member]
Net sales by significant product groups [Line Items]
Net sales									108,409	109,615	105,616
All Other (primarily shipping & handling revenue) [Member]
Net sales by significant product groups [Line Items]
Net sales									$ 60,837	$ 65,632	$ 57,630