Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details 5)

v3.6.0.2
Stock Based Compensation (Details 5) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Expected volatility 75.00% 60.00%
Risk-free interest rate 1.04% 0.95%
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price   $ 7.41
Dividend yield 0.00% 0.00%
Expected volatility   65.00%
Risk-free interest rate   0.13%
Expected life 6 months 6 months
Employee Stock Option [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price $ 8.36  
Expected volatility 56.00%  
Risk-free interest rate 0.37%  
Employee Stock Option [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price $ 12.16  
Expected volatility 100.00%  
Risk-free interest rate 0.49%