Annual report pursuant to Section 13 and 15(d)

Stock Plans (Details 4)

v3.6.0.2
Stock Plans (Details 4) - Employee Stock Option [Member]
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Options and Awards Outstanding at Beginning of Period | shares 1,883
Shares, Granted | shares 168
Shares, Exercised | shares (8)
Shares, Expired | shares (41)
Number of Options and Awards Outstanding at End of Period | shares 2,002
Shares, Exercisable at December 31, 2016 | shares 1,709
Weighted Average Exercise Price, Outstanding at Beginning of Period | $ / shares $ 5.83
Weighted Average Exercise Price, Granted | $ / shares 5.10
Weighted Average Exercise Price, Exercised | $ / shares 3.37
Weighted Average Exercise Price, Expired or cancelled | $ / shares 10.85
Weighted Average Exercise Price, Outstanding at End of Period | $ / shares 5.67
Weighted Average Exercise Price, Exercisable at December 31, 2016 | $ / shares $ 5.77
Weighted Average Remaining Contractual Term, Outstanding (Years) 5 years 8 months 5 days
Weighted Average Remaining Contractual Term,Exercisable at December 31, 2016 5 years 1 month 13 days
Aggregate Intrinsic Value, Outstanding | $ $ 203
Aggregate Intrinsic Value, Exercisable at December 31, 2015 | $ $ 203