Net Loss Per Share - Antidilutive Securities (Details) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Diluted net loss per share attributable to common stockholders | ||
| Antidilutive securities excluded from computation of of diluted weighted average shares outstanding | 18,141,571 | 17,249,162 |
| Unvested restricted common stock | ||
| Diluted net loss per share attributable to common stockholders | ||
| Antidilutive securities excluded from computation of of diluted weighted average shares outstanding | 724,854 | 299,700 |
| Stock options to purchase common stock | ||
| Diluted net loss per share attributable to common stockholders | ||
| Antidilutive securities excluded from computation of of diluted weighted average shares outstanding | 17,416,717 | 16,949,462 |