Note 10 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 27, 2022	Nov. 28, 2021	Nov. 27, 2022	Nov. 28, 2021
Income Tax Expense (Benefit), Total	$ 990	$ 569	$ 2,362	$ 2,571
Income Tax Expense (Benefit), Discrete Amount	58	$ 5	133	$ 175
Effective Income Tax Rate Reconciliation, Lost Deduction, Stock Options Expired, Amount	$ 153		$ 153
Effective Income Tax Rate Reconciliation, Percent, Total	30.70%	24.60%	28.20%	28.30%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	21.00%
Undistributed Earnings, Basic, Total			$ 25,000