Note 20 - Government Grants (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Government Assistance, Income, Increase (Decrease)	$ 113	$ 153
Financial Assistance Received From the Singapore Government [Member]
Government Assistance, Income, Increase (Decrease)	23	$ 107
Financial Assistance Received From the Chinese Government [Member
Government Assistance, Income, Increase (Decrease)	33
Financial Assistance Received From the United States Government [Member]
Government Assistance, Income, Increase (Decrease)	$ 57