Note 8 - Restructuring Charges (Details Textual) - USD ($)	3 Months Ended		12 Months Ended			24 Months Ended
	May. 31, 2015	Nov. 30, 2014	Feb. 28, 2016	Mar. 01, 2015	Mar. 02, 2014	Feb. 28, 2016	Feb. 29, 2004
Nelco Technology Zhuhai FTZ Ltd [Member]
Gain (Loss) on Disposition of Property Plant Equipment			$ 0
Business Exit Costs			100,000	$ 218,000
Proceeds from Sale of Property, Plant, and Equipment	$ 2,026,000
New England Laminates Co Inc [Member]
Business Exit Costs			435,000	$ 485,000
Real Estate Held-for-sale							$ 0
UNITED STATES
Restructuring Charges		$ 496,000
Payments for Restructuring						$ 504,000
Proceeds from Sale of Property, Plant, and Equipment			2,057,000		$ 100,000
Restructuring Charges			$ 535,000	$ 1,179,000	$ 546,000