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Income Taxes - Summary of Effective Income Tax Rates (Details)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Income Tax Disclosure [Abstract]    
Statutory federal rate 21.00% (21.00%)
State income tax rate, net of federal benefit 6.50% (7.20%)
Permanent differences, including stock based compensation and beneficial conversion interest expense (0.10%) 28.90%
Change in valuation allowance (27.40%) (0.70%)
Effective tax rate 0.00% 0.00%