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Supplemental Financial Statement Information - Other Current Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Prepaid expenses | $ 2,327 | $ 7,257
Other receivables | 1,882 | 2,036
Other | 277 | 828
Other current assets | $ 4,486 | $ 10,121

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