DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash Equivalents and Marketable Securities (Details) - USD ($) |
12 Months Ended | ||
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Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
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| Accounting Policies [Abstract] | |||
| Credit losses on available-for-sale debt securities | $ 0 | $ 0 | $ 0 |
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- References No definition available.
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- Definition Amount of expense for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), for which no credit loss was previously recorded. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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