Note 20 - Government Grants (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Government Assistance, Amount	$ 153	$ 228
Financial Assistance Received From the Singapore Government [Member]
Government Assistance, Amount	$ 107
Financial Assistance During COVID-19 Pandemic [Member]
Government Assistance, Amount		228
Financial Assistance During COVID-19 Pandemic [Member] | Singapore and Malaysia Governments [Member]
Government Assistance, Amount		$ 146