Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Details)

v3.4.0.3
Equity Incentive Plan (Details) - Employee Stock Option [Member] - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock Options, Outstanding 1,332,323  
Stock Options, Granted 59,938  
Stock Options, Exercised (4,607)  
Stock Options, Forfeited/Expired/Exchanged (2,250)  
Stock Options, Outstanding 1,385,404 1,332,323
Stock Options, Exercisable at March 31, 2016 645,751  
Weighted Average Exercise Price, Outstanding $ 6.94  
Weighted Average Exercise Price, Granted (in dollars per share) 6.83  
Weighted Average Exercise Price, Exercised (in dollars per share) 5.00  
Weighted Average Exercise Price, Forfeited/Expired/Exchanged (in dollars per share) 7.76  
Weighted Average Exercise Price, Outstanding 6.94 $ 6.94
Weighted Average Exercise Price, Exercisable at March 31, 2016 (in dollars per share) $ 6.18  
Weighted Average Remaining Life, Outstanding (in years) 8 years 2 months 12 days 8 years 4 months 24 days
Weighted Average Remaining Life, Exercisable at March 31, 2016 (in years) 7 years 7 months 6 days