Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plan (Details)

v3.3.1.900
Equity Incentive Plan (Details) - Equity Incentive Plan 2014 [Member] - $ / shares
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Options, Outstanding beginning of year 752,372 762,944  
Number of Options, Granted 560,393 0  
Number of Options, Exercised (26,799) (2,277)  
Number of Options, Expired (Forfeited) (8,599) (8,295)  
Number of Options, Outstanding at end of year 1,277,367 752,372 762,944
Number of Options, Exercisable at end of year 873,558    
Number of Options, Vested and expected to vest at end of year 873,558    
Weighted- Average Exercise Price, Outstanding at beginning of year $ 0.91 $ 0.91  
Weighted- Average Exercise Price, Granted 5.12 0  
Weighted- Average Exercise Price, Exercised 2.37 2.85  
Weighted- Average Exercise Price, Expired (Forfeited) 0.65 3.60  
Weighted- Average Exercise Price, Outstanding at end of year 2.75 $ 0.91 $ 0.91
Weighted- Average Exercise Price, Exercisable at end of year 2.71    
Weighted- Average Exercise Price, Vested and expected to vest at end of year $ 2.71    
Weighted-Average Contractual Life (In Years), Outstanding 4 years 11 months 8 days 4 years 3 months 18 days 5 years 3 months 18 days
Weighted-Average Contractual Life (In Years), Granted 9 years 29 days 0 years  
Weighted-Average Contractual Life (In Years), Exercisable at end of year 4 years 10 months 6 days    
Weighted-Average Contractual Life (In Years), Vested and expected to vest at end of year 4 years 10 months 6 days