Note 11 - Geographic Regions - Financial Information by Geographic Region, Sale (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 30, 2015	Aug. 31, 2014	Aug. 30, 2015	Aug. 31, 2014
North America [Member]
Sales	$ 21,329	$ 19,289	$ 39,645	$ 40,584
Asia [Member]
Sales	14,557	20,402	31,790	44,899
Europe [Member]
Sales	2,061	2,658	4,341	5,683
Sales	$ 37,947	$ 42,349	$ 75,776	$ 91,166

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration