Note 14 - Geographic Regions (Details) - Financial Information by Geographic Region, Sales (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 02, 2014	Dec. 01, 2013	Sep. 01, 2013	Jun. 02, 2013	Mar. 03, 2013	Nov. 25, 2012	Aug. 26, 2012	May 27, 2012	Mar. 02, 2014	Mar. 03, 2013	Feb. 26, 2012
Sales:
Sales	$ 38,151	$ 39,678	$ 44,497	$ 43,438	$ 42,675	$ 41,265	$ 46,430	$ 46,046	$ 165,764	$ 176,416	$ 193,254
Long-lived assets:
Long-lived assets	40,853				48,984				40,853	48,984	54,398
UNITED STATES
Sales:
Sales									80,880	79,336	83,877
Long-lived assets:
Long-lived assets	26,899				34,555				26,899	34,555	35,419
Asia [Member]
Sales:
Sales									71,853	78,559	82,325
Long-lived assets:
Long-lived assets	13,557				14,102				13,557	14,102	18,584
All Other [Member]
Sales:
Sales									13,031	18,521	27,052
Europe [Member]
Long-lived assets:
Long-lived assets	$ 397				$ 327				$ 397	$ 327	$ 395