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Stockholders' Equity (Tables)
12 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Schedule of common stock warrants
   Shares Issuable Under Warrants   Weighted-average Exercise Price   Weighted Average Remaining Life   Aggregate Intrinsic Value 
Outstanding as of July 1, 2018   5,993,750   $11.50       $ 
Issued   189,365    11.50         
Exercised                
Expired/canceled                
Outstanding at June 30, 2019   6,183,115   $11.50    4.97   $2,473,000 
Issued                
Exercised   (369,311)            
Expired/canceled                
Outstanding at June 30, 2020   5,813,804   $11.50    3.97   $