Note 3 - Term Deposits - Term Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Short-term deposits	$ 5,032	$ 6,353
Currency translation effect on short-term deposits	35	(298)
Total short-term deposits	4,997	6,651
Restricted term deposits	1,742	1,682
Currency translation effect on restricted term deposits	(9)	59
Total restricted term deposits	1,735	1,741
Total term deposits	$ 6,732	$ 8,392