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, 2020	Sep. 30, 2019
Net income available to common shareholders	$ 2,401	$ 1,503
Weighted average common shares outstanding (in shares)	3,010,844	2,734,578
Basic income per share (in dollars per share)	$ 0.80	$ 0.55
Net income available to common shareholders	$ 2,401	$ 1,503
Dilutive effect of restricted stock (in shares)
Total common shares and dilutive potential common shares (in shares)	3,010,844	2,734,578
Dilutive income per share (in dollars per share)	$ 0.80	$ 0.55