Note 6 - Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Net income available to common shareholders	$ 2,634	$ 2,236
Weighted average common shares outstanding (in shares)	3,142,850	3,119,603
Basic income per share (in dollars per share)	$ 0.84	$ 0.72
Dilutive effect of restricted stock (in shares)	111	0
Total common shares and dilutive potential common shares (in shares)	3,142,961	3,119,603
Dilutive income per share (in dollars per share)	$ 0.84	$ 0.72