Quarterly report pursuant to Section 13 or 15(d)

12. Derivative Liability (Details)

v3.7.0.1
12. Derivative Liability (Details) - $ / shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Derivative Liability Tables    
Stock price ($) $ 1.58 $ 1.79
Exercise price ($) $ 1.54 $ 6.25
Risk-free interest rate (%) 2.23% 1.78%
Expected volatility (%) 74.40% 96.70%
Time to maturity (years) 1 year 9 months 3 years