Note 13 - Geographic Regions - Financial Information by Geographic Region, Sale (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 28, 2016	Nov. 29, 2015	Aug. 30, 2015	May. 31, 2015	Mar. 01, 2015	Nov. 30, 2014	Aug. 31, 2014	Jun. 01, 2014	Feb. 28, 2016	Mar. 01, 2015	Mar. 02, 2014
North America [Member]
Sales									$ 75,215	$ 75,395	$ 82,187
Long-lived assets	$ 22,846				$ 23,562				22,846	23,562	26,899
Asia [Member]
Sales									61,264	76,000	71,854
Long-lived assets	9,478				12,490				9,478	12,490	13,557
Europe [Member]
Sales									9,376	10,691	11,723
Long-lived assets	268				325				268	325	397
Sales	35,756	$ 34,323	$ 37,947	$ 37,829	36,241	$ 34,679	$ 42,349	$ 48,817	145,855	162,086	165,764
Long-lived assets	$ 32,592				$ 36,377				$ 32,592	$ 36,377	$ 40,853