Stockholders' Equity - Summary of Restricted Stock Unit Activity (Detail) - Restricted Stock Units (RSUs) - $ / shares |
12 Months Ended | |
---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
Number of Restricted Stock Units, Beginning Balance | 839,075 | 546,500 |
Number of Restricted Stock Units, Granted | 731,225 | 607,150 |
Number of Restricted Stock Units, Released | (435,450) | (266,500) |
Number of Restricted Stock Units, Forfeited | (18,208) | (48,075) |
Number of Restricted Stock Units, Ending Balance | 1,116,642 | 839,075 |
Weighted Average Award Date Fair Value per Share, Beginning Balance | $ 7.49 | $ 8.53 |
Weighted Average Award Date Fair Value per Share, Granted | 14.40 | 7.14 |
Weighted Average Award Date Fair Value per Share, Released | 7.72 | 8.84 |
Weighted Average Award Date Fair Value per Share, Forfeited | 10.37 | 7.34 |
Weighted Average Award Date Fair Value per Share, Ending Balance | $ 11.88 | $ 7.49 |