Note 11 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	May 29, 2022	May 30, 2021	Feb. 27, 2022
Net sales	$ 12,783	$ 13,594
Total long-lived assets	34,259		$ 34,448
North America [Member]
Net sales	12,149	13,073
Total long-lived assets	34,259		34,448
Asia [Member]
Net sales	124	142
Total long-lived assets	0		0
Europe [Member]
Net sales	510	$ 379
Total long-lived assets	$ 0		$ 0