Note 7 - Restructuring Charges (Details Textual) - USD ($) $ in Thousands	3 Months Ended				4 Months Ended	6 Months Ended		12 Months Ended
	Aug. 30, 2015	May. 31, 2015	Nov. 30, 2014	Aug. 31, 2014	Dec. 31, 2015	Aug. 30, 2015	Aug. 31, 2014	Mar. 03, 2013	Feb. 29, 2004
Nelco Technology Zhuhai FTZ Ltd [Member]
Gain (Loss) on Disposition of Property Plant Equipment		$ 0
Business Exit Costs	$ 38			$ 25		$ 75	$ 131	$ 2,730
Other Asset Impairment Charges								3,620
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax								$ 1,465
Proceeds from Sale of Property, Plant, and Equipment		$ 2,026
New England Laminates Co Inc [Member]
Business Exit Costs	53			59		140	220
Real Estate Held-for-sale									$ 0
UNITED STATES | Scenario, Forecast [Member]
Payments for Restructuring					$ 42
UNITED STATES
Restructuring Charges			$ 496
Payments for Restructuring						454
Proceeds from Sale of Property, Plant, and Equipment						2,026	0
Restructuring Charges	$ 91			$ 83		$ 215	$ 350