Note 7 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 03, 2024	Nov. 26, 2023	Aug. 27, 2023	May 28, 2023	Feb. 26, 2023	Nov. 27, 2022	Aug. 28, 2022	May 29, 2022	Mar. 03, 2024	Feb. 26, 2023	Feb. 27, 2022
Net earnings	$ 2,670	$ 1,203	$ 1,746	$ 1,854	$ 4,706	$ 2,230	$ 1,885	$ 1,910	$ 7,473	$ 10,731	$ 8,464
Weighted average common shares outstanding for basic EPS (in shares)	20,253	20,250	20,256	20,461	20,471	20,471	20,461	20,458	20,304,000	20,465,000	20,422,000
Net effect of dilutive options (in shares)									89,000	44,000	129,000
Weighted average shares outstanding for diluted EPS (in shares)	20,357	20,355	20,338	20,526	20,518	20,510	20,503	20,504	20,393,000	20,509,000	20,551,000
Basic earnings per share (in dollars per share)	$ 0.13	$ 0.06	$ 0.09	$ 0.09	$ 0.23	$ 0.11	$ 0.09	$ 0.09	$ 0.37	$ 0.52	$ 0.41
Diluted earnings per share (in dollars per share)	$ 0.13	$ 0.06	$ 0.09	$ 0.09	$ 0.23	$ 0.11	$ 0.09	$ 0.09	$ 0.37	$ 0.52	$ 0.41