Note 6 - Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Net income available to common shareholders	$ 2,287	$ 2,015	$ 4,523	$ 4,425
Weighted average common shares outstanding (in shares)	3,132,556	3,107,496	3,125,857	3,099,804
Basic income per share (in dollars per share)	$ 0.73	$ 0.65	$ 1.45	$ 1.43
Dilutive effect of restricted stock (in shares)	0	0	0	0
Total common shares and dilutive potential common shares (in shares)	3,132,556	3,107,496	3,125,857	3,099,804
Dilutive income per share (in dollars per share)	$ 0.73	$ 0.65	$ 1.45	$ 1.43