Note 14 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 01, 2020	Mar. 03, 2019	Feb. 25, 2018
Net sales	$ 60,014	$ 51,116	$ 40,230
Long-lived assets	26,592	20,918	19,993
North America [Member]
Net sales	56,264	47,505	38,641
Long-lived assets	24,942	19,372	18,313
Asia [Member]
Net sales	1,378	1,070	563
Long-lived assets	1,650	1,546	1,680
Europe [Member]
Net sales	2,372	2,541	1,026
Long-lived assets