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INVESTMENTS (Details) - Components of Company's Equity Securities Measured at Fair Value - Equity Securities [Member] - USD ($)
$ in Thousands
Mar. 31, 2022
Jun. 30, 2021
Equities International [Member]    
Equity securities at fair value    
Securities, Cost $ 6,429 $ 7,076
Securities, Unrealized Gains (Losses) (919) 3,922
Securities, Fair Value 5,510 10,998
Common Stock - Domestic [Member]    
Equity securities at fair value    
Securities, Cost 45 45
Securities, Unrealized Gains (Losses) (45) (45)
Securities, Fair Value 0 0
Mutual Funds - Fixed Income [Member]    
Equity securities at fair value    
Securities, Cost 6,313 6,313
Securities, Unrealized Gains (Losses) (142) 9
Securities, Fair Value 6,171 6,322
Mutual Funds Global Equity [Member]    
Equity securities at fair value    
Securities, Cost 929 929
Securities, Unrealized Gains (Losses) (132) 9
Securities, Fair Value 797 938
Equity Securities [Member]    
Equity securities at fair value    
Securities, Cost 13,716 14,363
Securities, Unrealized Gains (Losses) (1,238) 3,895
Securities, Fair Value $ 12,478 $ 18,258