COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Marketable Equity Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Composition Of Certain Financial Statement Items
Marketable equity securities - short-term	$ 1,241	$ 1,295
Marketable equity securities - long-term	1,940	1,704
Total marketable equity securities	$ 3,181	$ 2,999

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Amount of investment in marketable security.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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Amount of investment in marketable security, classified as current.

+ References

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-Publisher FASB
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Amount of investment in marketable security, classified as noncurrent.

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