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Note 12 - Discontinued Operations - Summary of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 28, 2021	Nov. 29, 2020	Nov. 28, 2021	Nov. 29, 2020
Net sales	$ 0	$ 0	$ 0	$ 0
Cost of sales	0	0	0	0
Gross profit	0	0	0	0
Selling, general and administrative expenses	0	8	0	8
Restructuring charges	0	143	0	427
Loss from discontinued operations	0	(151)	0	(435)
Other income	0	0	0	0
Loss from discontinued operations before income taxes	0	(151)	0	(435)
Income tax benefit	0	(35)	0	(107)
Net loss from discontinued operations	$ 0	$ (116)	$ 0	$ (328)

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