Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Schedule of Stock Options Activity (Details)

v3.20.2
Stock-Based Compensation - Schedule of Stock Options Activity (Details) - Stock Option [Member]
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2020
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options, Outstanding at Beginning of Year | shares 4,078,000
Options, Granted | shares 1,160,000
Options, Exercised | shares (140,000)
Options, Forfeited or Expired | shares (1,305,000)
Options, Outstanding at end of period | shares 3,793,000
Options, Exercisable at end of period | shares 925,000
Weighted-average Exercise Price, Outstanding at Beginning of Year | $ / shares $ 5.79
Weighted-average Exercise Price, Granted | $ / shares 6.10
Weighted-average Exercise Price, Exercised | $ / shares 4.28
Weighted-average Exercise Price, Forfeited or Expired | $ / shares 6.04
Weighted-average Exercise Price, Outstanding at end of period | $ / shares 5.85
Weighted-average Exercise Price, Exercisable at end of period | $ / shares $ 5.64
Weighted-Average Remaining Contractual Term 9 years
Weighted-Average Remaining Contractual Term, Exercisable 6 years
Aggregate Intrinsic Value, Ending | $ $ 161
Aggregate Intrinsic Value, Exercisable | $ $ 56