Annual report pursuant to Section 13 and 15(d)

Stock Plans (Details 4)

v3.19.1
Stock Plans (Details 4) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Options and Awards Outstanding at Beginning of Period 455    
Shares, Granted 245    
Shares, Cancelled (32)    
Shares, Expired (3)    
Number of Options and Awards Outstanding at End of Period 665 455  
Shares, Exercisable at December 31, 2018 576    
Weighted Average Exercise Price, Outstanding at Beginning of Period $ 25,910 $ 34,020 $ 34,980
Weighted Average Exercise Price, Granted 4,230 15,300 30,600
Weighted Average Exercise Price, Cancelled 23,310 31,620  
Weighted Average Exercise Price, Expired or cancelled 50,160 78,660 65,100
Weighted Average Exercise Price, Outstanding at End of Period 17,940 $ 25,910 $ 34,020
Weighted Average Exercise Price, Exercisable at December 31, 2018 $ 20.34    
Weighted Average Remaining Contractual Term, Outstanding (Years) 6 years 5 months 8 days 5 years 9 months  
Weighted Average Remaining Contractual Term,Exercisable at December 31, 2018 5 years 11 months 5 days    
Aggregate Intrinsic Value,Outstanding at Beginning of Period $ 30    
Aggregate Intrinsic Value,Outstanding at End of Period $ 4 $ 30