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Note 11 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 28, 2021	Nov. 29, 2020	Nov. 28, 2021	Nov. 29, 2020	Feb. 28, 2021
Net sales	$ 13,864	$ 10,372	$ 41,076	$ 31,835
Total long-lived assets	34,025		34,025		$ 31,171
North America [Member]
Net sales	13,231	9,863	39,285	30,245
Total long-lived assets	34,013		34,013		31,170
Asia [Member]
Net sales	218	195	542	499
Total long-lived assets	12		12		1
Europe [Member]
Net sales	415	$ 314	1,249	$ 1,091
Total long-lived assets	$ 0		$ 0		$ 0

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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