Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	$ 36,873	$ 52,540
Asia [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	29,246	38,039
North America [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	4,336	5,030
Europe [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	2,302	7,990
Other Regions [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	$ 989	$ 1,481