Note 4 - Income Taxes - Components of Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Thousands	Mar. 02, 2025	Mar. 03, 2024
Deferred tax assets:
Net operating loss carryforwards	$ 1,948	$ 1,949
Tax credits carryforward	990	991
Stock options	446	693
Other, net	953	906
Deferred Tax Assets, Gross	4,337	4,539
Valuation allowance on deferred tax assets	(2,938)	(2,938)
Total deferred tax assets, net of valuation allowance	1,399	1,601
Deferred tax liabilities:
Depreciation	(4,036)	(4,291)
Undistributed earnings	(2,147)	(1)
Other	(520)	(531)
Total deferred tax liabilities	(6,703)	(4,823)
Net deferred tax liability	$ (5,304)	$ (3,222)