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Provision for Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Income Tax Disclosure [Abstract] |  |
Combined U.S. federal and state effective income tax rates | 11.10% | 18.70%
Deferred tax expense | $ (43,641) | $ 258,040

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