Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Equity Incentive Plans, Employee Stock Purchase Plan and Stock-Based Compensation - Summary of Status and Activity of Non-vested RSUs (Details) - Restricted Stock Units - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Number of shares    
Non-vested, Beginning Balance 311,240  
Granted 154,900 312,400
Released (114,103)  
Canceled (16,238) (1,160)
Non-vested, Ending Balance 335,799 311,240
Weighted Average Grant-Date Fair Value    
Non-vested, Beginning balance $ 15.20  
Granted 11.45 $ 15.20
Released 15.00  
Canceled 12.46 15.20
Non-vested, Ending balance $ 13.49 $ 15.20