Quarterly report pursuant to Section 13 or 15(d)

Warrants and Derivative Liabilities (Details 6)

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Warrants and Derivative Liabilities (Details 6) - Pricing Model - Emerald Convertible Promissory Note - conversion liability
Jan. 19, 2018
Percent
$ / shares
Dec. 28, 2017
Percent
$ / shares
Class of Warrant or Right [Line Items]    
Underlying common stock price | $ / shares $ 0.15 $ 0.19
Dividend yield    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 0 0
Volatility factor    
Class of Warrant or Right [Line Items]    
Warrants and rights outstanding measurement input 70 70
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