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Related Party Transactions - Additional Information (Details)
12 Months Ended
Oct. 02, 2018
USD ($)
Jun. 30, 2019
USD ($)
item
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Related Party Transaction [Line Items]        
Other General and Administrative Expense   $ 2,000    
Percentage of Direct Costs   30.00%    
Interest Expense, Debt   $ 0 $ 185,274 $ 780,767
Percentage Of Net Sales Allocated For Royalty Payments   15.00%    
Research and Development Expense   $ 5,921,720 5,913,720 6,565,966
TheraCour Pharma, Inc [Member]        
Related Party Transaction [Line Items]        
Research and Development Expense $ 25,000 3,119,863 3,176,977 3,368,919
Series C Convertible Debenture [Member]        
Related Party Transaction [Line Items]        
Interest Expense, Debt   5,000,000    
Series C Convertible Debenture [Member] | Dr. Boniuk [Member]        
Related Party Transaction [Line Items]        
Interest Expense, Debt   0 185,274 500,000
Series B Debentures [Member] | Dr. Boniuk [Member]        
Related Party Transaction [Line Items]        
Interest Expense, Debt   $ 0 $ 0 $ 187,178
Number of Holders of Debt Instrument | item   2