Note 5 - Leases - Schedule of Right-of-use Assets and Operating Lease Liabilities (Details) - USD ($) $ in Thousands	May 28, 2023	Feb. 26, 2023	[1]
Operating right-of-use assets	$ 136	$ 150
Operating lease liabilities	53	53
Long-term operating lease liabilities	118	$ 129
Total operating lease liabilities	$ 171

[1] The balance sheet at February 26, 2023 has been derived from the audited consolidated financial statements at that date.