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Shareholders Deficit (Details) - shares
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Jan. 31, 2019
Class Of Stock [Line Items]        
Preferred stock, shares issued (in shares) 3,906 3,906    
Convertible Preferred Stock, Shares Reserved for Future Issuance 6,735,378   6,735,378  
Common Stock        
Class Of Stock [Line Items]        
Shares issued upon conversion (in share)       782,031
Series F Convertible Preferred Stock [Member]        
Class Of Stock [Line Items]        
Preferred stock, shares issued (in shares) 0 0   2,737