Annual report pursuant to Section 13 and 15(d)

Warrants and Derivative Liabilities (Details 7)

v3.20.1
Warrants and Derivative Liabilities (Details 7) - Black-Scholes option pricing model - Emerald Convertible Promissory Note - conversion liability
Jan. 19, 2018
$ / shares
Class of Warrant or Right [Line Items]  
Underlying common stock price $ 0.19
Dividend yield  
Class of Warrant or Right [Line Items]  
Warrants and rights outstanding measurement input (in percent) 0
Volatility factor  
Class of Warrant or Right [Line Items]  
Warrants and rights outstanding measurement input (in percent) 70
Risk-free interest rate  
Class of Warrant or Right [Line Items]  
Warrants and rights outstanding measurement input (in percent) 1.29
Expected term (years)  
Class of Warrant or Right [Line Items]  
Expected Term (years) 1 day