Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Details 1)

v3.5.0.2
Stock-based Compensation (Details 1)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividend yield 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate   1.68%    
Risk-free interest rate, minimum 1.25%   1.24% 1.41%
Risk-free interest rate, maximum 1.26%   1.78% 2.50%
Expected term (in years) 6 years 6 years    
Volatility 80.00% 75.00%    
Volatility, minimum     77.00% 73.00%
Volatility, maximum     80.00% 75.00%
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term (in years)     5 years 6 years
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term (in years)     10 years 10 years