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, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Net income available to common shareholders	$ 2,809	$ 3,162	$ 5,344	$ 5,827
Weighted average common shares outstanding (in shares)	3,076,207	3,034,362	3,065,719	3,032,416
Basic income per share (in dollars per share)	$ 0.91	$ 1.04	$ 1.74	$ 1.92
Dilutive effect of restricted stock (in shares)	814	438	0	233
Total common shares and dilutive potential common shares (in shares)	3,077,021	3,034,800	3,065,719	3,032,649
Dilutive income per share (in dollars per share)	$ 0.91	$ 1.04	$ 1.74	$ 1.92