Note 16 - Segment and Geographical Information - Net Revenue Based on the Ship-to Location (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Less: Discontinued operations									$ (73,566)	$ (86,137)	$ (101,499)
Sales revenue, net	$ 26,537	$ 33,862	$ 39,508	$ 39,564	$ 42,724	$ 62,729	$ 61,316	$ 53,775	65,905	134,407	125,751
Asia [Member]
Sales revenue, net, including discontinued operations									115,451	180,104	172,773
North America [Member]
Sales revenue, net, including discontinued operations									15,476	32,732	42,335
Europe [Member]
Sales revenue, net, including discontinued operations									8,544	7,692	10,292
Other Regions [Member]
Sales revenue, net, including discontinued operations										$ 16	$ 1,850