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Related Party Transactions - Additional Information (Details)				12 Months Ended
	Dec. 17, 2019 USD ($) shares	Dec. 16, 2019 USD ($) shares	Nov. 01, 2019	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($) shares	Jun. 30, 2018 USD ($) shares	Mar. 21, 2018 USD ($)	Nov. 13, 2017 USD ($)
Related Party Transaction [Line Items]
Other General and Administrative Expense				$ 2,000
Percentage of Direct Costs				30.00%
Percentage Of Net Sales Allocated For Royalty Payments				15.00%
Research and Development Expense				$ 4,695,524	$ 5,921,720	$ 5,913,720
Series A shares issued in exchange of deferred development fees owed (in shares) | shares				100,000
Accrued Royalties				$ 0	0	0
Deferred development fees exchanged for shares				250,000
Loss on exchange of shares				142,669
Debenture paid							$ 4,730,000	$ 4,730,000
Coupon interest expense				93,670	0	185,274
Series C Convertible Debenture [Member]
Related Party Transaction [Line Items]
Debenture paid				5,000,000				$ 5,000,000
Coupon interest expense				0	0	185,274
TheraCour
Related Party Transaction [Line Items]
Percentage Of Net Sales Allocated For Royalty Payments			15.00%
TheraCour
Related Party Transaction [Line Items]
Research and Development Expense				2,158,034	$ 3,119,863	$ 3,176,977
Series A Preferred stock
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross | shares		10,000			29,138	2,888
Stock Issued During Period, Value, Share-based Compensation, Gross		$ 39,301		392,669	$ 609,518	$ 136,106
Converted value to common shares		3.50
Amortization expense on loan origination fee				$ 21,288
Series A Preferred stock | TheraCour
Related Party Transaction [Line Items]
Deferred monthly development fees	$ 25,000
Series A shares issued in exchange of deferred development fees owed (in shares) | shares	100,000
Stock Issued During Period, Value, Share-based Compensation, Gross	$ 392,669
Deferred development fees exchanged for shares	250,000
Loss on exchange of shares	$ 142,669

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