Stockholders' Equity (Deficit) - Summary of Allocation of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Class Of Stock [Line Items] | ||||
| Stock based compensation expense | $ 481 | $ 501 | $ 1,564 | $ 1,261 |
| Research and development | ||||
| Class Of Stock [Line Items] | ||||
| Stock based compensation expense | 211 | 176 | 620 | 447 |
| General and administrative | ||||
| Class Of Stock [Line Items] | ||||
| Stock based compensation expense | $ 270 | $ 325 | $ 944 | $ 814 |