Annual report pursuant to Section 13 and 15(d)

Warrants and Derivative Liabilities (Details 4)

v3.19.1
Warrants and Derivative Liabilities (Details 4) - Pricing Model - Emerald Convertible Promissory Note - conversion liability
Jan. 19, 2018
USD_per_warrants
$ / shares
Dec. 28, 2017
USD_per_warrants
$ / shares
Class of Warrant or Right [Line Items]    
Underlying common stock price | $ / shares $ 0.19 $ 0.15
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 70.00 70.00
Risk-free interest rate    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 1.29 1.39
Expected term (years)    
Class of Warrant or Right [Line Items]    
Expected Term 1 day 3 months