Note 15 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Note 15 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	$ 54,846	$ 53,784	$ 42,810	$ 36,873	$ 38,497	$ 54,394	$ 53,762	$ 52,540	$ 188,313	$ 199,193	$ 216,613
Asia [Member]
Note 15 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue									152,571	144,483	150,658
North America [Member]
Note 15 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue									20,746	28,795	17,006
Europe [Member]
Note 15 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue									12,012	22,262	41,283
Other Regions [Member]
Note 15 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue									$ 2,984	$ 3,653	$ 7,666