Quarterly report pursuant to Section 13 or 15(d)

Capital Structure - Warrants (Details)

v3.21.2
Capital Structure - Warrants (Details) - $ / shares
Sep. 30, 2021
Jan. 31, 2021
Common Stock Warrants    
Exercise price per share (in dollars per share)   $ 0.001
Common Stock    
Common Stock Warrants    
Number of shares available under warrant (in shares) 6,083,147  
Common Stock Warrants Expiration May 2022 | Common Stock    
Common Stock Warrants    
Number of shares available under warrant (in shares) 2,380  
Exercise price per share (in dollars per share) $ 8.68  
Common Stock Warrants Expiration Date Of June 2024 | Common Stock    
Common Stock Warrants    
Number of shares available under warrant (in shares) 4,000,000  
Exercise price per share (in dollars per share) $ 12.50  
Common Stock Warrants No Expiration | Common Stock    
Common Stock Warrants    
Number of shares available under warrant (in shares) 1,676,923  
Exercise price per share (in dollars per share) $ 0.001  
Common Stock Warrants Expiration June 2031 | Common Stock    
Common Stock Warrants    
Number of shares available under warrant (in shares) 403,844  
Exercise price per share (in dollars per share) $ 2.60