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7. Equity (Details) - Warrants [Member] - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Number of Warrants    
Outstanding, Beginning 19,114,765 12,901,955
Granted 10,446,539 6,612,810
Exercised (1,084,597) (400,000)
Forfeited or expired (7,750,000)
Outstanding, Ending 20,726,707 19,114,765
Exercisable, Ending 20,726,707
Weighted Average Exercise Price    
Outstanding, Beginning $ 0.56 $ 0.56
Granted 0.35 0.58
Exercised 0.35 $ 0.35
Forfeited or expired 0.49
Outstanding, Ending 0.49 $ 0.56
Exercisable, Ending $ 0.49
Weighted-average Remaining Life (Years)    
Outstanding 1 year 10 months 24 days  
Exercisable 1 year 10 months 24 days  
Aggregate Intrinsic Value    
Outstanding, Ending $ 1,080  
Exercisable, Ending $ 1,080