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. 30, 2020	Sep. 01, 2019	Aug. 30, 2020	Sep. 01, 2019
Net earnings - continuing operations	$ 1,151	$ 2,052	$ 3,123	$ 4,766
Net (loss) earnings - discontinued operations	(197)	83	(212)	(44)
Net earnings	$ 954	$ 2,135	$ 2,911	$ 4,722
Weighted average common shares outstanding for basic EPS (in shares)	20,381	20,499	20,392	20,495
Net effect of dilutive options (in shares)	52	102	55	98
Weighted average shares outstanding for diluted EPS (in shares)	20,433	20,601	20,447	20,593
Basic earnings per share - continuing operations (in dollars per share)	$ 0.06	$ 0.10	$ 0.15	$ 0.23
Basic (loss) earnings per share - discontinued operations (in dollars per share)	(0.01)	0	(0.01)	0
Basic earnings per share (in dollars per share)	0.05	0.10	0.14	0.23
Diluted earnings per share - continuing operations (in dollars per share)	0.06	0.10	0.15	0.23
Diluted (loss) earnings per share - discontinued operations (in dollars per share)	(0.01)	0	(0.01)	0
Diluted earnings per share (in dollars per share)	$ 0.05	$ 0.10	$ 0.14	$ 0.23