Note 9 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Net income (loss)	$ (86)	$ 315	$ 1,229	$ (176)	$ 229	$ 1,053
Basic weighted average number of common shares outstanding (in shares)	13,497,961		14,291,328		13,606,239	14,378,419
Stock options (in shares)	345		68		3,134	132
Diluted (in shares)	13,498,306		14,291,396		13,609,373	14,378,551
Basic Net Income (Loss) per share (in dollars per share)	$ (0.01)		$ 0.09		$ 0.02	$ 0.07
Diluted Net Income (Loss) per share (in dollars per share)	$ (0.01)		$ 0.09		$ 0.02	$ 0.07