Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Stock-Based Compensation (Schedule of Stock Option Activity) (Details)
9 Months Ended
Sep. 30, 2018
$ / shares
shares
Shares  
Outstanding, December 31, 2017 | shares 266,884
Granted | shares 216,336
Forfeited | shares (17,814)
Outstanding, September 30, 2018 | shares 465,406
Weighted Average Exercise Price  
Outstanding, December 31, 2017 | $ / shares $ 19.57
Granted | $ / shares 3.62
Forfeited | $ / shares 31.36
Outstanding, September 30, 2018 | $ / shares $ 11.71