Note 13 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 26, 2023	Feb. 27, 2022	Feb. 28, 2021
North America	$ 54,055	$ 53,578	$ 46,276
North America	34,292	34,448	31,171
North America [Member]
North America	50,044	51,307	43,874
North America	34,292	34,448	31,170
Asia [Member]
North America	786	700	625
North America	0	0	1
Europe [Member]
North America	3,225	1,571	1,777
North America	$ 0	$ 0	$ 0

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details