Annual report pursuant to Section 13 and 15(d)

Stock Based Awards - Schedule of Share-based Compensation, Stock Options, Activity (Details)

v3.19.1
Stock Based Awards - Schedule of Share-based Compensation, Stock Options, Activity (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
shares
Number of shares available for grant, beginning 1,656,000
Number of shares available for grant, ending 873,000
Total options outstanding, Granted 925,000
Stock Option [Member]  
Number of shares available for grant, beginning 1,656,000
Number of shares available for grant, Exercised
Number of shares available for grant, Granted (925,000)
Number of shares available for grant, Cancelled 142,000
Number of shares available for grant, ending 873,000
Total options outstanding, beginning 711,000
Total options outstanding, Exercised (143,000)
Total options outstanding, Granted 925,000
Total options outstanding, Cancelled (142,000)
Total options outstanding, ending 1,351,000
Weighted Average Exercise Price, outstanding | $ / shares $ 8.39
Weighted Average Exercise Price, Exercised | $ / shares 1.69
Weighted Average Exercise Price, Granted | $ / shares 2.78
Weighted Average Exercise Price, Cancelled | $ / shares 3.92
Weighted Average Exercise Price, ending | $ / shares $ 5.73
Aggregate Intrinsic Value, outstanding | $ $ 1,640
Aggregate Intrinsic Value, ending | $ $ 788