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
 9 Months Ended 12 Months Ended
Sep. 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 (41)  
Option, Outstanding at September 30, 2016 2,002 1,883
Option, Exercisable at September 30, 2016 1,639  
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 10.85  
Weighted Average Exercise Price, Outstanding at September 30, 2016 5.67 $ 5.83
Weighted Average Exercise Price, Exercisable at September 30, 2016 $ 5.8  
Weighted Average Remaining Option Term, Outstanding 5 years 11 months 8 days 5 years 1 month 20 days
Weighted Average Remaining Option Term, Exercisable at September 30, 2016 5 years 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 1,895 $ 388
Aggregate Intrinsic Value, Exercisable at September 30, 2016 $ 1,612