Note 16 - Other Income (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Government Grant	$ 28	$ 106	$ 98	$ 260
Other Nonoperating Income (Expense) [Member]
Government Grant	$ 19
Government Grant, Foreign, COVID-19 Relief Income			$ 61	$ 243
Government Grant, Foreign		$ 101