Note 16 - Government Grants (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Government Assistance, Income, Increase (Decrease)	$ 0	$ 5	$ 4	$ 71
Financial Assistance Received From the Chinese Government [Member
Government Assistance, Income, Increase (Decrease)		$ 5	2	9
Financial Assistance Received From the Singapore Government [Member]
Government Assistance, Income, Increase (Decrease)			$ 2	$ 62