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Note 9 - Restructuring Charges (Details) (USD $)	12 Months Ended			10 Months Ended	3 Months Ended
Note 9 - Restructuring Charges (Details) (USD $)	Mar. 01, 2015	Mar. 02, 2014	Mar. 03, 2013	Dec. 31, 2015	Nov. 30, 2014	Mar. 02, 2015	Feb. 29, 2004
Note 9 - Restructuring Charges (Details) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	$ 0	$ 0	$ 1,465,000
Restructuring Charges	1,179,000us-gaap_RestructuringCharges	546,000us-gaap_RestructuringCharges	3,703,000us-gaap_RestructuringCharges
Scenario, Forecast [Member] \| UNITED STATES
Note 9 - Restructuring Charges (Details) [Line Items]
Payments for Restructuring				150,000
UNITED STATES
Note 9 - Restructuring Charges (Details) [Line Items]
Restructuring Charges					496,000
Payments for Restructuring	346,000
Nelco Technology (Zhuhai FTZ) Ltd [Member]
Note 9 - Restructuring Charges (Details) [Line Items]
Business Exit Costs	218,000	546,000	2,730,000
Other Asset Impairment Charges			3,620,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax			1,465,000
Real Estate Held-for-sale						2,039,000
New England Laminates Co., Inc. [Member]
Note 9 - Restructuring Charges (Details) [Line Items]
Business Exit Costs	485,000
Real Estate Held-for-sale							$ 0