Annual report pursuant to Section 13 and 15(d)

11. Stockholders' Equity (Tables)

v3.7.0.1
11. Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Assumptions used
    2016     2015  
Weighted-average expected dividend yield (%)            
Weighted-average expected volatility (%)     109.86       104.81  
Weighted-average risk-free interest rate (%)     0.97       1.03  
Weighted-average expected life of option (years)     5.00       5.00  
Weighted-average exercise price ($)     10.40       25.41  
Model used     Black-Scholes       Black-Scholes