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8. Hybrid Debt Instrument (Tables)
12 Months Ended
Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Assumptions used for derivative liability
   December 31, 2015   July 1, 2015 
Company stock price  $0.51   $0.22 
Expected volatility (%)   105%   115%
Risk-free interest rate (%)   0.65%   0.28%