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Note 10 - Geographic Regions - Financial Information by Geographic Region, Sales (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Nov. 30, 2014
Dec. 01, 2013
Nov. 30, 2014
Dec. 01, 2013
Net sales $ 34,679us-gaap_SalesRevenueNet $ 39,678us-gaap_SalesRevenueNet $ 125,845us-gaap_SalesRevenueNet $ 127,613us-gaap_SalesRevenueNet
Asia [Member]        
Net sales 14,251us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember		 17,135us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember		 59,150us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember		 54,809us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
Europe [Member]        
Net sales 3,071us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 2,347us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 8,754us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 8,990us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember
North America [Member]        
Net sales $ 17,357us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 $ 20,196us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 $ 57,941us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 $ 63,814us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember