Quarterly report pursuant to Section 13 or 15(d)

Compensation (Stock Option Activity) (Details)

v3.7.0.1
Compensation (Stock Option Activity) (Details)
shares in Thousands
3 Months Ended
Mar. 31, 2017
$ / shares
shares
Compensation [Abstract]  
Number of Shares Underlying Options, Outstanding at beginning of period | shares 2,644
Number of Shares Underlying Options, Exercised | shares (37)
Number of Shares Underlying Options, Forfeited/expired | shares (515)
Number of Shares Underlying Options, Outstanding at end of period | shares 2,092
Weighted Average Exercise Price Per Share, Outstanding at beginning of period | $ / shares $ 3.92
Weighted Average Exercise Price Per Share, Exercised | $ / shares 1.04
Weighted Average Exercise Price Per Share, Forfeited/expired | $ / shares 7.85
Weighted Average Exercise Price Per Share, Outstanding at end of period | $ / shares $ 3.01