Note 1 - Revision of Previously Issued Consolidated Financial Statements - Impact of Correcting Errors (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Tax expense (benefit)	$ 436		$ 239		$ 371	$ 372
Net Income (Loss)	$ 1,229	$ (176)	$ 847	$ 53	$ 1,053	$ 900
Basic Net Income (Loss) per Share (in dollars per share)	$ 0.09		$ 0.06		$ 0.07	$ 0.06
Diluted Net Income (Loss) per Share (in dollars per share)	$ 0.09		$ 0.06		$ 0.07	$ 0.06
Previously Reported [Member]
Tax expense (benefit)			$ 217			$ 296
Net Income (Loss)			$ 869			$ 976
Basic Net Income (Loss) per Share (in dollars per share)			$ 0.06			$ 0.07
Diluted Net Income (Loss) per Share (in dollars per share)			$ 0.06			$ 0.07
Revision of Prior Period, Adjustment [Member]
Tax expense (benefit)			$ 22			$ 76
Net Income (Loss)			$ (22)			$ (76)
Basic Net Income (Loss) per Share (in dollars per share)			$ 0			$ (0.01)
Diluted Net Income (Loss) per Share (in dollars per share)			$ 0			$ (0.01)