Note 3 - Other Consolidated Balance Sheet Data - Other Consolidated Balance Sheet Data (Details) - USD ($) $ in Thousands	Feb. 26, 2023	Feb. 27, 2022
Raw materials	$ 5,376	$ 4,026
Work-in-process	536	253
Finished goods	856	378
Inventories (Note 3)	6,768	4,657
Land, buildings and improvements	48,630	49,635
Less: accumulated depreciation and amortization	24,379	25,302
Property, plant and equipment, net (Note 3)	24,251	24,333
Goodwill	9,776	9,776
Other intangibles	7	14
Goodwill and other intangible assets, net (Note 3)	9,783	9,790
Payroll and payroll related	591	688
Employee benefits	3	3
Workers' compensation	92	96
Professional fees	428	512
Restructuring (Notes 8 and 12)	0	8
Other	232	187
Accrued liabilities (Note 3)	1,346	1,494
Land, Buildings and Improvements [Member]
Land, buildings and improvements	15,889	16,054
Machinery, Equipment, Furniture and Fixtures [Member]
Land, buildings and improvements	$ 32,741	$ 33,581