Quarterly report pursuant to Section 13 or 15(d)

Warrants and Derivative Liabilities (Details 3)

v3.19.3
Warrants and Derivative Liabilities (Details 3) - Monte Carlo simulations - Emerald Financing
Sep. 30, 2019
$ / shares
Dec. 31, 2018
$ / shares
Feb. 16, 2018
$ / shares
Jan. 19, 2018
$ / shares
Class of Warrant or Right [Line Items]        
Underlying common stock price $ 0.37 $ 0.40    
Minimum        
Class of Warrant or Right [Line Items]        
Underlying common stock price     $ 0.29 $ 0.29
Maximum        
Class of Warrant or Right [Line Items]        
Underlying common stock price     $ 0.30 $ 0.30
Dividend yield        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input 0.0000 0.0000 0.0000 0.0000
Volatility factor        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input     0.700 0.700
Volatility factor | Minimum        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input 0.819 0.921    
Volatility factor | Maximum        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input 0.821 0.924    
Risk-free interest rate        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input 0.0156 0.0249    
Risk-free interest rate | Minimum        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input     0.0245 0.0245
Risk-free interest rate | Maximum        
Class of Warrant or Right [Line Items]        
Warrants and rights outstanding measurement input     0.0260 0.0260
Expected term (years)        
Class of Warrant or Right [Line Items]        
Expected Term     5 years 5 years
Expected term (years) | Minimum        
Class of Warrant or Right [Line Items]        
Expected Term 3 years 3 months 21 days 4 years 18 days    
Expected term (years) | Maximum        
Class of Warrant or Right [Line Items]        
Expected Term 3 years 4 months 17 days 4 years 1 month 17 days