Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Stock-Based Compensation - Schedule of Share-based Compensation, Stock Options, Activity (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 30, 2018
USD ($)
$ / shares
shares
Number of shares available for grant, ending 888,000
Total options outstanding, Exercised (128,000)
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 157,000
Number of shares available for grant, ending 888,000
Total options outstanding, beginning 711,000
Total options outstanding, Exercised (128,000)
Total options outstanding, Granted 925,000
Total options outstanding, Cancelled (157,000)
Total options outstanding, ending 1,351,000
Weighted Average Exercise Price, outstanding | $ / shares $ 8.39
Weighted Average Exercise Price, Exercised | $ / shares 1.53
Weighted Average Exercise Price, Granted | $ / shares 2.78
Weighted Average Exercise Price, Cancelled | $ / shares 3.01
Weighted Average Exercise Price, ending | $ / shares $ 5.83
Aggregate Intrinsic Value, outstanding | $ $ 1,640
Aggregate Intrinsic Value, ending | $