Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 01, 2020	Mar. 03, 2019	Feb. 25, 2018
Net sales	$ 60,014	$ 51,116	$ 40,230
Cost of sales	41,341	34,932	28,942
Gross profit	18,673	16,184	11,288
Selling, general and administrative expenses	7,932	8,968	9,862
Restructuring charges (Note 8)			146
Earnings from continuing operations	10,741	7,216	1,280
Interest expense (Note 10)	0	0	2,269
Interest and other income	3,330	2,379	2,641
Loss on sale of marketable securities		(1,498)	(1,342)
Earnings from continuing operations before income taxes	14,071	8,097	310
Income tax provision (Note 4)	3,866	1,791	(18,162)
Net earnings from continuing operations	10,205	6,306	18,472
(Loss) earnings from discontinued operations, net of tax (Note 13)	(653)	107,239	2,123
Net earnings	$ 9,552	$ 113,545	$ 20,595
Basic:
Basic net earnings per share from continuing operations (in dollars per share)	$ 0.50	$ 0.31	$ 0.91
Basic net earnings (loss) per share from discontinued operations (in dollars per share)	(0.03)	5.29	0.11
Basic earnings per share (in dollars per share)	$ 0.47	$ 5.60	$ 1.02
Basic weighted average shares (in shares)	20,507	20,288	20,237
Diluted:
Diluted net earnings per share from continuing operations (in dollars per share)	$ 0.50	$ 0.31	$ 0.91
Diluted net earnings (loss) per share from discontinued operations (in dollars per share)	(0.03)	5.26	0.11
Diluted earnings per share (in dollars per share)	$ 0.47	$ 5.57	$ 1.02
Diluted (in shares)	20,595	20,385	20,267