Quarterly report pursuant to Section 13 or 15(d)

Warrants and Derivative Liabilities (Details 5)

v3.19.3
Warrants and Derivative Liabilities (Details 5) - Pricing Model - Series B warrant
Sep. 30, 2019
$ / shares
Dec. 31, 2018
$ / shares
Class of Warrant or Right [Line Items]    
Underlying common stock price $ 0.37 $ 0.40
Dividend yield    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 0.0000 0.0000
Volatility factor    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 0.794 0.930
Risk-free interest rate    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 0.0175 0.0279
Expected term (years)    
Class of Warrant or Right [Line Items]    
Expected Term 10 months 20 days  
Expected term (years) | Minimum    
Class of Warrant or Right [Line Items]    
Expected Term   1 year 7 months 20 days
Expected term (years) | Maximum    
Class of Warrant or Right [Line Items]    
Expected Term   1 year 7 months 24 days