Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Schedule of Restricted Stock Units Activity (Detail)

v3.20.2
Stock Based Compensation - Schedule of Restricted Stock Units Activity (Detail) - Restricted Stock Units (RSUs) [Member]
6 Months Ended
Jun. 30, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Options, Outstanding | shares 1,821,852
RSUs granted | shares 758,031
RSUs forfeited | shares (128,213)
RSUs vested | shares (629,554)
Number of Options, Outstanding | shares 1,822,116
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 10.05
Weighted Average Grant Date Fair Value, RSUs granted | $ / shares 1.25
Weighted Average Grant Date Fair Value, RSUs forfeited | $ / shares 8.66
Weighted Average Grant Date Fair Value, RSUs vested | $ / shares 9.11
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 6.81