Note 8 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2023
Income Tax Expense (Benefit), Total	$ 1,030	$ 1,360
Effective Income Tax Rate Reconciliation, Percent, Total	27.10%	23.50%
Forecast [Member]
Effective Income Tax Rate Reconciliation, Percent, Total			24.50%