Note 14 - Net Revenue Based on the Ship-to Location (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Net revenue	$ 53,784	$ 54,394	$ 133,467	$ 160,696
Asia [Member]
Net revenue	46,567	38,566	109,885	117,032
Europe [Member]
Net revenue	3,023	5,752	7,385	19,720
North America [Member]
Net revenue	3,986	10,076	13,532	20,736
Other Regions [Member]
Net revenue	$ 208		$ 2,665	$ 3,208