Note 7 - Earnings (Loss) Per Share (Details) - Basic and Diluted Earnings (Loss) Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 01, 2015	Nov. 30, 2014	Aug. 31, 2014	Jun. 01, 2014	Mar. 02, 2014	Dec. 01, 2013	Sep. 01, 2013	Jun. 02, 2013	Mar. 01, 2015	Mar. 02, 2014	Mar. 03, 2013
Basic and Diluted Earnings (Loss) Per Share [Abstract]
Net earnings (loss) (in Dollars)	$ 4,841	$ 2,031	$ 4,955	$ 8,216	$ (60,024)	$ 4,721	$ 8,045	$ 4,929	$ 20,043	$ (42,329)	$ 16,961
Weighted average common shares outstanding for basic EPS	20,896	20,947	20,925	20,880	20,873	20,857	20,836	20,828	20,912	20,849	20,801
Net effect of dilutive options									74		22
Weighted average shares outstanding for diluted EPS	20,937	20,989	21,029	20,988	20,873	20,917	20,852	20,844	20,986	20,849	20,823
Basic earnings (loss) per share (in Dollars per share)	$ 0.23	$ 0.10	$ 0.24	$ 0.39	$ (2.88)	$ 0.23	$ 0.39	$ 0.24	$ 0.96	$ (2.03)	$ 0.82
Diluted earnings (loss) per share (in Dollars per share)	$ 0.23	$ 0.10	$ 0.24	$ 0.39	$ (2.88)	$ 0.23	$ 0.39	$ 0.24	$ 0.96	$ (2.03)	$ 0.81