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INVESTMENTS (Details) - Components of Company's Equity Securities Measured at Fair Value - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Securities at fair value
Securities, Cost	$ 10,600	$ 12,928
Securities, Unrealized Gains (Losses)	1,894	(1,464)
Securities, Fair Value	12,494	11,464
Common Stock - International [Member]
Securities at fair value
Securities, Cost	3,313	5,641
Securities, Unrealized Gains (Losses)	2,036	(1,162)
Securities, Fair Value	5,349	4,479
Common Stock - Domestic [Member]
Securities at fair value
Securities, Cost	45	45
Securities, Unrealized Gains (Losses)	(45)	(45)
Securities, Fair Value	0	0
Fixed Income Securities [Member]
Securities at fair value
Securities, Cost	6,313	6,313
Securities, Unrealized Gains (Losses)	18	9
Securities, Fair Value	6,331	6,322
Mutual Funds, Global Equity [Member]
Securities at fair value
Securities, Cost	929	0
Securities, Unrealized Gains (Losses)	(115)	0
Securities, Fair Value	814	0
Mutual Funds, Domestic Equity [Member]
Securities at fair value
Securities, Cost	0	929
Securities, Unrealized Gains (Losses)	0	(266)
Securities, Fair Value	$ 0	$ 663

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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