Note 6 - Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Net income available to common shareholders	$ 2,052	$ 2,636	$ 6,477	$ 7,980
Weighted average common shares outstanding (in shares)	3,115,723	3,078,595	3,104,994	3,072,336
Basic income per share (in dollars per share)	$ 0.66	$ 0.86	$ 2.09	$ 2.6
Dilutive effect of restricted stock (in shares)	0	1,218	0	0
Total common shares and dilutive potential common shares (in shares)	3,115,723	3,079,813	3,104,994	3,072,336
Dilutive income per share (in dollars per share)	$ 0.66	$ 0.86	$ 2.09	$ 2.6