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, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Net income available to common shareholders	$ 2,507	$ 1,440	$ 4,908	$ 2,943
Weighted average common shares outstanding (in shares)	3,017,268	2,737,800	3,015,741	2,737,755
Basic income per share (in dollars per share)	$ 0.83	$ 0.53	$ 1.63	$ 1.07
Dilutive effect of restricted stock (in shares)	21
Total common shares and dilutive potential common shares (in shares)	3,017,289	2,737,800	3,015,741	2,737,755
Dilutive income per share (in dollars per share)	$ 0.83	$ 0.53	$ 1.63	$ 1.07