Annual report pursuant to Section 13 and 15(d)

4. Stock-Based Compensation (Details 1)

v3.6.0.2
4. Stock-Based Compensation (Details 1)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dividend yield (%) 0.00% 0.00%
Expected volatility (%) 92.40% 132.99%
Average Risk-free interest rate (%), minimum 1.21% 1.78%
Average Risk-free interest rate (%), maximum 2.23% 2.25%
Expected life of stock option term (years)   8 years 5 months 5 days
Minimum [Member]    
Expected life of stock option term (years) 6 years 10 months 10 days  
Maximum [Member]    
Expected life of stock option term (years) 8 years