Note 3 - Term Deposits - Term Deposits (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Short-term deposits	$ 5,997	$ 6,353
Currency translation effect on short-term deposits	72	(298)
Total short-term deposits	5,925	6,651
Restricted term deposits	1,743	1,682
Currency translation effect on restricted term deposits	(21)	59
Total restricted term deposits	1,722	1,741
Total term deposits	$ 7,647	$ 8,392