Note 5 - Leases - Schedule of Right-of-use Assets and Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Nov. 27, 2022	Feb. 27, 2022	[1]
Operating right-of-use assets (Note 5)	$ 163	$ 203
Operating lease liability (Note 5)	53	53
Long-term operating lease liability (Note 5)	141	$ 174
Total operating lease liabilities	$ 194

[1] The balance sheet at February 27, 2022 has been derived from the audited consolidated financial statements at that date.