Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation And Other Benefit Plans (Stock Option Activity) (Details)

v3.19.1
Stock-Based Compensation And Other Benefit Plans (Stock Option Activity) (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Stock-Based Compensation And Other Benefit Plans [Abstract]  
Number of Shares Underlying Options, Outstanding at January 1, 2019 | shares 2,601,000
Number of Shares Underlying Options, Granted | shares 622,140
Number of Shares Underlying Options, Exercised | shares (52,000)
Number of Shares Underlying Options, Unvested shares forfeited | shares (207,000)
Number of Shares Underlying Options, Vested shares expired | shares (76,000)
Number of Shares Underlying Options, Outstanding at March 31, 2019 | shares 2,888,000
Number of Shares Underlying Options, Exercisable at March 31, 2019 | shares 1,674,000
Weighted Average Exercise Price Per Share, Outstanding at January 1, 2019 | $ / shares $ 1.54
Weighted Average Exercise Price Per Share, Granted | $ / shares 2.33
Weighted Average Exercise Price Per Share, Exercised | $ / shares 0.90
Weighted Average Exercise Price Per Share, Unvested shares forfeited | $ / shares 1.51
Weighted Average Exercise Price Per Share, Vested shares expired | $ / shares 6.98
Weighted Average Exercise Price Per Share, Outstanding at March 31, 2019 | $ / shares 1.58
Weighted Average Exercise Price Per Share, Exercisable at March 31, 2019 | $ / shares $ 1.60
Weighted Average Remaining Contractual Term, Outstanding at March 31, 2019 3 years 2 months 9 days
Weighted Average Remaining Contractual Term, Exercisable at March 31, 2019 2 years 6 months 4 days
Aggregate Intrinsic Value, Outstanding at March 31, 2019 | $ $ 2,472
Aggregate Intrinsic Value, Exercisable at March 31, 2019 | $ $ 1,590