Note 7 - Net Loss Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ 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 loss	$ (4,009)	$ (3,278)	$ (2,641)	$ (2,912)	$ (7,287)	$ (5,553)
Denominator for basic and diluted net loss per share — weighted average common stock outstanding (in shares)	1,638		1,631		1,634	1,631
Net loss per common share (in dollars per share)	$ (2.45)		$ (1.62)		$ (4.46)	$ (3.4)