Note 3 - Term Deposits - Term Deposits (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022
Short-term deposits	$ 2,941	$ 5,619
Currency translation effect on short-term deposits	(112)	(199)
Total short-term deposits	2,829	5,420
Restricted term deposits	1,680	1,746
Currency translation effect on restricted term deposits	(48)	(68)
Total restricted term deposits	1,632	1,678
Total term deposits	$ 4,461	$ 7,098