Note 7 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 26, 2023	Nov. 27, 2022	Nov. 26, 2023	Nov. 27, 2022
Net earnings	$ 1,203	$ 2,230	$ 4,803	$ 6,025
Weighted average common shares outstanding for basic EPS (in shares)	20,250	20,471	20,323	20,463
Net effect of dilutive options (in shares)	105	39	83	43
Weighted average shares outstanding for diluted EPS (in shares)	20,355	20,510	20,406	20,506
Basic earnings per share (in dollars per share)	$ 0.06	$ 0.11	$ 0.24	$ 0.29
Diluted earnings per share (in dollars per share)	$ 0.06	$ 0.11	$ 0.24	$ 0.29