Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	$ 42,810	$ 53,762	$ 79,683	$ 106,302
Asia [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	34,073	40,426	63,318	78,466
North America [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	5,209	5,630	9,546	10,660
Europe [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	2,060	5,978	4,362	13,968
Other Regions [Member]
Note 14 - Segment and Geographical Information (Details) - Net Revenue Based on the Ship-to Location [Line Items]
Net revenue	$ 1,468	$ 1,728	$ 2,457	$ 3,208