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7. Share-based Compensation (Details 1)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Share-Based Compensation Details 1        
Risk free interest rate 1.93% 2.25% 2.02% 2.25%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Expected term (in years) 7 years 7 years 7 years 7 years
Volatility 105.20% 105.20% 105.20% 105.20%