Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details 2)

v3.4.0.3
Stock Plans (Details 2) - Employee Stock Option [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 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 0  
Option, Expired or cancelled (17)  
Option, Forfeited 0  
Option, Outstanding at March 31, 2016 2,034 1,883
Option, Exercisable at March 31, 2016 1,532  
Weighted Average Exercise Price, Outstanding at January 1, 2016 $ 5.83  
Weighted Average Exercise Price, Granted 5.10  
Weighted Average Exercise Price, Exercised 0  
Weighted Average Exercise Price, Expired or cancelled 7.70  
Weighted Average Exercise Price, Forfeited 0  
Weighted Average Exercise Price, Outstanding at March 31, 2016 5.75 $ 5.83
Weighted Average Exercise Price, Exercisable at March 31, 2016 $ 5.97  
Weighted Average Remaining Option Term, Outstanding 6 years 4 months 17 days 5 years 1 month 20 days
Weighted Average Remaining Option Term, Exercisable at March 31, 2016 5 years 3 months 7 days  
Aggregate Intrinsic Value, Outstanding $ 642 $ 388
Aggregate Intrinsic Value, Exercisable at March 31, 2016 $ 642