Note 8 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Net Income	$ 118	$ 2,390
Basic weighted average number of common shares outstanding (in shares)	14,948,688	15,030,115
Stock options (in shares)	587	1,084
Diluted (in shares)	14,949,275	15,031,199
Basic Net Income per Share (in dollars per share)	$ 0.01	$ 0.16
Diluted Net Income per Share (in dollars per share)	$ 0.01	$ 0.16