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Stockholder's Equity - Schedule of Common Stock Reserved for Future Issuance (Detail) - shares | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Class Of Stock [Line Items] |  |
Common stock reserved | 11,859,362 | 9,208,970
Common stock reserved | 1,762,992 |
Common stock reserved | 112,983,696 | 65,329,843
Stock Options Issued and Outstanding [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 11,859,362 | 9,208,970
Stock Options Reserved for 2020 Incentive Award Plan [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 1,762,992 | 1,988,340
Unvested Restricted Stock Units Outstanding [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 915,861 | 495,579
Common Stock Reserved for Employee Stock Purchase Plan [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 2,122,071 | 1,338,381
2022 Employment Inducement Award Plan [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 1,667,300 | 758,084
Pre-Funded Warrants [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 35,248,479 | 40,493,510
Common Warrants [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 8,427,508 | 8,427,508
2021 ATM Program [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 25,980,123 | 2,619,471
2024 ATM Program [Member] |  |
Class Of Stock [Line Items] |  |
Common stock reserved | 25,000,000 |

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