Income Taxes (Narratives) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Income Tax Disclosure [Line items]
Federal income tax at statutory rate, percent	21.00%	21.00%
Income tax benefit related to refunds received	$ 211	$ 288
Net operating loss carryforward	1,100
Uncertain tax positions	0	0
Retained earnings	58,805	57,587
Income tax expense	200	568
Federal
Income Tax Disclosure [Line items]
Retained earnings	2,800	2,800
Income tax expense	$ 0	$ 0