Annual report pursuant to Section 13 and 15(d)

Derivative Liabilities - Schedule of Derivative Liabilities (Detail)

v3.20.2
Derivative Liabilities - Schedule of Derivative Liabilities (Detail)
12 Months Ended
Jun. 30, 2019
USD ($)
Derivative Instruments And Hedging Activities Disclosure [Abstract]  
Opening balance $ 1,117
Change in fair value of warrants 925,270
Reclassification to equity upon amendment of warrants (433,503)
Reclassification to equity upon exercise of warrants $ (492,884)