Annual report pursuant to Section 13 and 15(d)

Warrants and Derivative Liabilities (Details 3)

v3.19.1
Warrants and Derivative Liabilities (Details 3) - Pricing Model - Series B Warrant Liability
Dec. 31, 2018
USD_per_warrants
Dec. 31, 2017
USD_per_warrants
Class of Warrant or Right [Line Items]    
Expected Term   3 months
Dividend yield    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 0.00 0.00
Volatility factor    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 93.00 70.00
Risk-free interest rate    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input   1.39
Risk-free interest rate | Minimum    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 2.786  
Risk-free interest rate | Maximum    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 2.789  
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