Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details 2)

v3.5.0.2
Stock Plans (Details 2) - Employee Stock Option [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Option, Outstanding at January 1, 2016 1,883  
Option, Granted 168  
Option, Exercised (8)  
Option, Expired or cancelled (17)  
Option, Forfeited 0  
Option, Outstanding at June 30, 2016 2,026 1,883
Option, Exercisable at June 30, 2016 1,594  
Weighted Average Exercise Price, Outstanding at January 1, 2016 $ 5.83  
Weighted Average Exercise Price, Granted 5.1  
Weighted Average Exercise Price, Exercised 3.37  
Weighted Average Exercise Price, Expired or cancelled 7.7  
Weighted Average Exercise Price, Forfeited 0  
Weighted Average Exercise Price, Outstanding at June 30, 2016 5.76 $ 5.83
Weighted Average Exercise Price, Exercisable at June 30, 2016 $ 5.94  
Weighted Average Remaining Option Term, Outstanding 6 years 1 month 13 days 5 years 1 month 20 days
Weighted Average Remaining Option Term, Exercisable at June 30, 2016 5 years 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 1,346 $ 388
Aggregate Intrinsic Value, Exercisable at June 30, 2016 $ 1,186