Note 13 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 27, 2022	Feb. 28, 2021	Mar. 01, 2020
Net sales	$ 53,578	$ 46,276	$ 60,014
Long-lived assets	34,448	31,171	26,592
North America [Member]
Net sales	51,307	43,874	56,264
Long-lived assets	34,448	31,170	24,942
Asia [Member]
Net sales	700	625	1,378
Long-lived assets	0	1	1,650
Europe [Member]
Net sales	1,571	1,777	2,372
Long-lived assets	$ 0	$ 0	$ 0