Note 16 - Government Grants (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Government Assistance, Income, Increase (Decrease)	$ 66	$ 73
Financial Assistance Received From the Singapore Government [Member]
Government Assistance, Income, Increase (Decrease)	62	16
Financial Assistance Received From the Chinese Government [Member
Government Assistance, Income, Increase (Decrease)	$ 4
Employee Retention Credit [Member]
Government Assistance, Income, Increase (Decrease)		$ 57