Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plans, Employee Stock Purchase Plan and Stock-Based Compensation - Summary of Status and Activity of Non-vested RSUs (Details)

v3.19.2
Equity Incentive Plans, Employee Stock Purchase Plan and Stock-Based Compensation - Summary of Status and Activity of Non-vested RSUs (Details) - Restricted Stock Units
6 Months Ended
Jun. 30, 2019
$ / shares
shares
Number of shares  
Non-vested December 31, 2018 | shares 311,240
Restricted common stock granted | shares 154,900
Canceled | shares (7,950)
Non-vested June 30, 2019 | shares 458,190
Weighted Average Grant-Date Fair Value  
Non-vested December 31, 2018 | $ / shares $ 15.20
Granted | $ / shares 11.45
Canceled | $ / shares 12.54
Non-vested June 30, 2019 | $ / shares $ 13.84