Note 3 - Term Deposits - Term Deposits (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022
Short-term deposits	$ 5,669	$ 5,619
Currency translation effect on short-term deposits	34	(199)
Total short-term deposits	5,703	5,420
Restricted term deposits - Current	748	0
Currency translation effect on restricted term deposits	7	0
Total restricted term deposits - Current	755	0	$ 0
Restricted term deposits - Non-Current	1,749	1,746
Currency translation effect on restricted term deposits	13	(68)
Total restricted term deposits - Non-Current	1,762	1,678	$ 1,735
Total term deposits	$ 8,220	$ 7,098