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)

v3.19.1
Equity Incentive Plans, Employee Stock Purchase Plan and Stock-Based Compensation - Summary of Status and Activity of Non-vested RSUs (Details) - Restricted Stock Units
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Number of shares  
Non-vested December 31,2018 | shares 311,240
Restricted common stock granted | shares 154,900
Canceled | shares (1,240)
Non-vested March 31,2019 | shares 464,900
Weighted Average Grant-Date Fair Value  
Non-vested December 31,2018 | $ / shares $ 15.20
Granted | $ / shares 11.45
Canceled | $ / shares 14.14
Non-vested March 31,2019 | $ / shares $ 13.82