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
	Sep. 30, 2024	Sep. 30, 2023
Net loss	$ (3,278)	$ (2,912)
Denominator for basic and diluted net loss per share — weighted average common stock outstanding (in shares)	1,631	1,631
Net loss per common share (in dollars per share)	$ (2.01)	$ (1.79)