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. 27, 2023	Aug. 27, 2023	Aug. 28, 2022	Aug. 28, 2022	Aug. 27, 2023	Aug. 27, 2023	Aug. 28, 2022	Aug. 28, 2022
Net earnings	$ 1,746	$ 1,746	$ 1,885	$ 1,885	$ 3,600	$ 3,600	$ 3,795	$ 3,795
Weighted average common shares outstanding for basic EPS (in shares)	20,256	20,256	20,461	20,461	20,359	20,359	20,460
Net effect of dilutive options (in shares)		82	42			73	44
Weighted average shares outstanding for diluted EPS (in shares)	20,338	20,338	20,503	20,503	20,432	20,432	20,504
Basic earnings per share (in dollars per share)	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.18	$ 0.18	$ 0.19
Diluted earnings per share (in dollars per share)	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.18	$ 0.18	$ 0.19