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, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Net income available to common shareholders	$ 2,817	$ 1,851	$ 8,206	$ 6,374
Weighted average common shares outstanding (in shares)	3,146,665	3,139,105	3,148,512	3,130,077
Basic income per share (in dollars per share)	$ 0.9	$ 0.59	$ 2.61	$ 2.04
Dilutive effect of restricted stock (in shares)	92	44	119	0
Total common shares and dilutive potential common shares (in shares)	3,146,758	3,139,149	3,148,631	3,130,077
Dilutive income per share (in dollars per share)	$ 0.9	$ 0.59	$ 2.61	$ 2.04