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Stockholder's Equity - Schedule of Common Stock Reserved for Future Issuance (Detail) - shares	Jun. 30, 2024	Dec. 31, 2023
Class Of Stock [Line Items]
Common stock reserved	11,937,414	9,208,970
Common stock reserved	1,861,959
Common stock reserved	117,624,209	65,329,843
Employee Stock Option [Member]
Class Of Stock [Line Items]
Common stock reserved	11,937,414	9,208,970
Stock Options Reserved for 2020 Incentive Award Plan [Member]
Class Of Stock [Line Items]
Common stock reserved	1,861,959	1,988,340
Unvested Restricted Stock Units Outstanding [Member]
Class Of Stock [Line Items]
Common stock reserved	867,298	495,579
Common Stock Reserved for Employee Stock Purchase Plan [Member]
Class Of Stock [Line Items]
Common stock reserved	2,023,537	1,338,381
2022 Employment Inducement Award Plan [Member]
Class Of Stock [Line Items]
Common stock reserved	1,502,930	758,084
Pre-Funded Warrants [Member]
Class Of Stock [Line Items]
Common stock reserved	41,283,052	40,493,510
Common Warrants [Member]
Class Of Stock [Line Items]
Common stock reserved	8,104,615	8,427,508
2021 ATM Program [Member]
Class Of Stock [Line Items]
Common stock reserved	25,043,404	2,619,471
2024 ATM Program [Member]
Class Of Stock [Line Items]
Common stock reserved	25,000,000

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