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Summary of Significant Accounting Policies (Details 2) - shares
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Antidilutive securities 28,077,286 22,627,024
Liability Warrants    
Antidilutive securities 240,755 240,755
Equity-Based Warrants    
Antidilutive securities 22,884,538 16,238,657
Stock Options    
Antidilutive securities 765,937 1,607
Employee Unvested Restricted Stock    
Antidilutive securities 4,186,056 2,551,024
Convertible Preferred Stock    
Antidilutive securities 0 3,594,981