Note 3 - Term Deposits - Term Deposits (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Short-term deposits	$ 4,961	$ 6,353
Currency translation effect on short-term deposits	8	(298)
Total short-term deposits	4,953	6,651
Restricted term deposits	1,736	1,682
Currency translation effect on restricted term deposits	(1)	59
Total restricted term deposits	1,735	1,741
Total term deposits	$ 6,688	$ 8,392