Note 7 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 28, 2022	Aug. 29, 2021	Aug. 28, 2022	Aug. 29, 2021
Net earnings	$ 1,885	$ 2,022	$ 3,795	$ 4,767
Weighted average common shares outstanding for basic EPS (in shares)	20,461	20,397	20,460	20,390
Net effect of dilutive options (in shares)	42	88	44	207
Weighted average shares outstanding for diluted EPS (in shares)	20,503	20,485	20,504	20,597
Basic earnings per share (in dollars per share)	$ 0.09	$ 0.10	$ 0.19	$ 0.23
Diluted earnings per share (in dollars per share)	$ 0.09	$ 0.10	$ 0.19	$ 0.23