Note 7 - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 28, 2016	Aug. 30, 2015	Aug. 28, 2016	Aug. 30, 2015
Net earnings	$ 1,981	$ 4,569	$ 4,931	$ 9,346
Weighted average common shares outstanding for basic EPS (in shares)	20,235	20,337	20,235	20,442
Net effect of dilutive options (in shares)		3		11
Weighted average shares outstanding for diluted EPS (in shares)	20,235	20,340	20,235	20,453
Basic earnings per share (in dollars per share)	$ 0.10	$ 0.23	$ 0.24	$ 0.46
Diluted earnings per share (in dollars per share)	$ 0.10	$ 0.23	$ 0.24	$ 0.46