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Stockholders' Equity - Preferred Stock (Details) - USD ($)
Sep. 30, 2020
Jun. 15, 2020
Dec. 31, 2019
Class of Stock [Line Items]      
Shares designated (in shares) 20,000,000   20,000,000
Series A Convertible Preferred Stock      
Class of Stock [Line Items]      
Par value (in dollars per share) $ 0.001    
Shares designated (in shares) 277,100    
Liquidation preference $ 606,000    
Shares outstanding (in shares) 60,600   60,600
Series B Convertible Preferred Stock      
Class of Stock [Line Items]      
Par value (in dollars per share) $ 0.001    
Shares designated (in shares) 8,860    
Shares outstanding (in shares) 0   0
Series C Convertible Preferred Stock      
Class of Stock [Line Items]      
Par value (in dollars per share) $ 0.001    
Shares designated (in shares) 200,000    
Shares outstanding (in shares) 0   0
Series D Convertible Preferred Stock      
Class of Stock [Line Items]      
Par value (in dollars per share) $ 0.0001    
Shares designated (in shares) 154,670    
Shares outstanding (in shares) 0   0
Series E Convertible Preferred Stock      
Class of Stock [Line Items]      
Par value (in dollars per share) $ 0.001 $ 10  
Shares designated (in shares) 865,824    
Shares outstanding (in shares) 865,824   0