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Income Taxes - Additional Information (Detail) $ in Millions | 12 Months Ended
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Jun. 30, 2020 USD ($)
Income Taxes Line Items [Line Items] |
Federal net operating loss carry forwards | $ 4.2
State net operating loss carry forwards | $ 19.1
State |
Income Taxes Line Items [Line Items] |
Expiration year of operating loss carry forwards | 2030

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