INVESTMENTS (Details) - Components of Company's Equity Securities Measured at Fair Value - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Equity - International [Member]
Equity securities at fair value
Securities, Cost	$ 8,000	$ 5,641
Securities, Unrealized Gains (Losses)	8,085	(1,162)
Securities, Fair Value	16,085	4,479
Equity- Domestic [Member]
Equity securities at fair value
Securities, Cost	45	45
Securities, Unrealized Gains (Losses)	(45)	(45)
Securities, Fair Value	0	0
Fixed Income Securities [Member]
Equity securities at fair value
Securities, Cost	6,313	6,313
Securities, Unrealized Gains (Losses)	9	9
Securities, Fair Value	6,322	6,322
Mutual Funds, Global Equity [Member]
Equity securities at fair value
Securities, Cost	929	0
Securities, Unrealized Gains (Losses)	(75)	0
Securities, Fair Value	854	0
Mutual Funds, Domestic Equity [Member]
Equity securities at fair value
Securities, Cost	0	929
Securities, Unrealized Gains (Losses)	0	(266)
Securities, Fair Value	0	663
Equity Securities [Member]
Equity securities at fair value
Securities, Cost	15,287	12,928
Securities, Unrealized Gains (Losses)	7,974	(1,464)
Securities, Fair Value	$ 23,261	$ 11,464