Net Loss Per Share - Summary of Shares Excluded from Calculation of Diluted Net Loss per Share Applicable to Common Stockholders (Details) - shares |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
| Antidilutive shares excluded from calculation of diluted net loss per share | 5,589,991 | 5,191,957 | 5,221,279 | 4,318,357 |
| Options to Purchase Shares of Stock | ||||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
| Antidilutive shares excluded from calculation of diluted net loss per share | 4,028,078 | 3,630,044 | 3,659,366 | 3,596,444 |
| Warrants to Purchase Shares of Stock | ||||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
| Antidilutive shares excluded from calculation of diluted net loss per share | 1,561,913 | 1,561,913 | 1,561,913 | 721,913 |