Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details 4)

v3.3.1.900
Stock Based Compensation (Details 4)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility   68.76%
Risk-free interest rate, Minimum 1.34% 1.65%
Risk-free interest rate, Maximum 1.74% 1.93%
Dividend yield 0.00% 0.00%
Expected life 6 years  
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 102.30%  
Expected life   5 years 6 months
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 71.10%  
Expected life   4 years 9 months