Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Details)

v3.5.0.2
Equity Incentive Plan (Details) - Employee Stock Option [Member] - $ / shares
 9 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock Options, Outstanding 1,332,323  
Stock Options, Granted 88,038  
Stock Options, Exercised (4,607)  
Stock Options, Forfeited/Expired/Exchanged (35,075)  
Stock Options, Outstanding 1,380,679 1,332,323
Stock Options, Exercisable at June 30, 2016 826,695  
Weighted Average Exercise Price, Outstanding $ 6.94  
Weighted Average Exercise Price, Granted (in dollars per share) 6.01  
Weighted Average Exercise Price, Exercised (in dollars per share) 5.00  
Weighted Average Exercise Price, Forfeited/Expired/Exchanged (in dollars per share) 6.40  
Weighted Average Exercise Price, Outstanding 6.91 $ 6.94
Weighted Average Exercise Price, Exercisable at June 30, 2016 (in dollars per share) $ 6.55  
Weighted Average Remaining Life, Outstanding (in years) 7 years 8 months 12 days 8 years 4 months 24 days
Weighted Average Remaining Life, Exercisable at June 30, 2016 (in years) 7 years 4 months 24 days