Note 14 - Geographic Regions (Details) - Financial Information by Geographic Region, Sales (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 01, 2015	Nov. 30, 2014	Aug. 31, 2014	Jun. 01, 2014	Mar. 02, 2014	Dec. 01, 2013	Sep. 01, 2013	Jun. 02, 2013	Mar. 01, 2015	Mar. 02, 2014	Mar. 03, 2013
Sales:
Sales	$ 36,241	$ 34,679	$ 42,349	$ 48,817	$ 38,151	$ 39,678	$ 44,497	$ 43,438	$ 162,086	$ 165,764	$ 176,416
Long-lived assets:
Long-lived assets	36,377				40,853				36,377	40,853	48,984
North America [Member]
Sales:
Sales									75,395	82,187	80,968
Long-lived assets:
Long-lived assets	23,562				26,899				23,562	26,899	34,555
Asia [Member]
Sales:
Sales									76,000	71,854	78,559
Long-lived assets:
Long-lived assets	12,490				13,557				12,490	13,557	14,102
Europe [Member]
Sales:
Sales									10,691	11,723	16,889
Long-lived assets:
Long-lived assets	$ 325				$ 397				$ 325	$ 397	$ 327