Note 3 - Other Consolidated Balance Sheet Data - Other Consolidated Balance Sheet Data (Details) - USD ($) $ in Thousands	Mar. 01, 2020	Mar. 03, 2019
Raw materials	$ 5,319	$ 4,556
Work-in-process	254	232
Finished goods	806	479
Inventory, Net, Total	6,379	5,267
Land, buildings and improvements	48,824	70,148
Less: accumulated depreciation and amortization	32,724	59,357
Property, Plant and Equipment, Net, Ending Balance	16,100	10,791
Goodwill	9,776	9,776
Other intangibles	28	35
Intangible Assets, Net (Including Goodwill), Total	9,804	9,811
Payroll and payroll related	578	823
Employee benefits	1	6
Workers' compensation	111	122
Professional fees	467	451
Restructuring (Notes 8 and 14)	432	1,324
Other	120	194
Accrued Liabilities, Current, Total	1,709	2,920
Land, Buildings and Improvements [Member]
Land, buildings and improvements	13,642	13,187
Machinery, Equipment, Furniture and Fixtures [Member]
Land, buildings and improvements	$ 35,182	$ 56,961