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Warrants - Equity-based Warrants Activity (Details) - $ / shares
 9 Months Ended 12 Months Ended
Mar. 31, 2022
Jun. 30, 2021
Warrants    
Outstanding, exercise price (in dollars per share) $ 0.0001  
Equity Warrants    
Warrants    
Outstanding, number of warrants (in shares) 1,254,952  
Warrants issued (in shares) 10,563,769  
Warrants expired (in shares) (124,250)  
Outstanding, number of warrants (in shares) 11,694,471 1,254,952
Outstanding, exercise price (in dollars per share) $ 35.85  
Warrants issued (in dollars per share) 0.92  
Warrants expired (in dollars per share) 124.69  
Outstanding, exercise price (in dollars per share) $ 3.43 $ 35.85
Outstanding, weighted average remaining contractual life 4 years 11 months 23 days 2 years 9 months 29 days
Warrants issued, weighted average remaining contractual life 5 years 4 months 13 days