Note 14 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Net Income	$ 3,819	$ 31,961
Basic weighted average number of common shares outstanding (in shares)	15,010,138	15,067,044
Stock options (in shares)	990	909
Diluted (in shares)	15,011,128	15,067,953
Basic Net Income per Share (in dollars per share)	$ 0.25	$ 2.12
Diluted Net Income per Share (in dollars per share)	$ 0.25	$ 2.12