Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	May 31, 2020	Jun. 02, 2019	Mar. 01, 2020
Income Tax Expense (Benefit), Total	$ 728	$ 1,116
Income Tax Expense (Benefit), Discrete Amount	$ 41
Effective Income Tax Rate Reconciliation, Percent, Total	27.00%	29.10%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%
Undistributed Earnings, Basic, Total			$ 25,000