Pre-Funded Warrants - Summary of Pre-Funded Warrants Outstanding (Details) - $ / shares |
Jun. 11, 2020 |
Feb. 04, 2020 |
Sep. 30, 2022 |
|---|---|---|---|
| Class Of Warrant Or Right [Line Items] | |||
| Issue Date | Jun. 11, 2020 | Feb. 04, 2020 | |
| Exercise Price | $ 0.001 | $ 0.001 | $ 0.001 |
| Expiration Date | Jun. 11, 2040 | Feb. 04, 2040 | |
| Number of shares underlying warrants | 909,091 | 2,884,615 | 3,793,706 |