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Derivative Liability (Details)
6 Months Ended
Jun. 30, 2019
USD ($)
Dividend yield
Minimum [Member]  
Volatility 114.10%
Risk-free interest rate 1.90%
Expected life (years) 4 months 24 days
Maximum [Member]  
Volatility 143.00%
Risk-free interest rate 2.60%
Expected life (years) 1 year