Note 13 - Income Taxes - Components of Total Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Current tax expense (benefit) - U.S.	$ 48	$ 1,245
Current tax expense (benefit) - State U.S.	117	131
Current tax expense (benefit) - non-U.S.	82	(2)
Deferred tax expense (benefit) - U.S.	329	(442)
Deferred tax expense (benefit) - non-U.S.	6	2
Total tax expense (benefit)	$ 582	$ 934