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Stockholders' Equity - Additional Information (Detail) - USD ($) |  |  |  | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 16, 2023 | May 05, 2023 | Jan. 11, 2022 | Jun. 30, 2023 | Apr. 28, 2023 | Dec. 31, 2022 | Mar. 31, 2021
Class Of Stock [Line Items] |  |  |  |  |  |  |
Warrants available for exercise |  |  |  | 22,718,499 |  |  |
Debt outstanding |  |  |  | $ 0 |  |  |
Common stock, shares issued |  |  |  | 23,043,933 |  | 13,776,788 |
Common stock, par value, per share |  |  |  | $ 0.001 |  | $ 0.001 |
Net proceeds after deducting offering costs |  |  |  | $ 33,017,000 |  |  |
Securities Purchase Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Number of days after registration settlement |  |  |  | 90 days |  |  |
Series X1 Preferred Stock [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Warrants available for exercise |  |  |  | 50,207.419 |  |  |
Shares of common stock issued upon conversion of each share of preferred stock |  |  |  | 2,789,301 |  |  |
Common Stock [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Warrants available for exercise |  |  |  | 22,718,499 |  |  |
Private Placement Warrants [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Warrants available for exercise |  |  |  | 15,489,340 |  |  |
Private Placement Warrants [Member] | Accredited Investor [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Warrants exercise price |  |  |  |  | $ 3 |  |
Private Placement Warrants [Member] | Securities Purchase Agreement Initial Closing [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common warrants issued |  | $ 35,000,000 |  |  |  |  |
Net proceeds after deducting offering costs |  | $ 33,000,000 |  |  |  |  |
Private Placement Warrants [Member] | Securities Purchase Agreement Initial Closing [Member] | Accredited Investor [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common stock, shares issued |  | 8,730,168 |  |  | 15,151,518 |  |
Common stock, par value, per share |  |  |  |  | $ 0.001 |  |
Common stock warrants exercisable |  | 15,151,518 |  |  | 15,151,518 |  |
Common warrants issued |  | $ 45,500,000 |  |  |  |  |
Private Placement Warrants [Member] | Securities Purchase Agreement Second Closing [Member] | Accredited Investor [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  | 20,202,024 |  |
Private Placement Warrants [Member] | Securities Purchase Agreement Third Closing [Member] | Accredited Investor [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  | 25,252,530 |  |
Private Placement Warrants [Member] | Securities Purchase Agreement Second and Third Closing [Member] | Accredited Investor [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common warrants issued |  | $ 105,000,000 |  |  |  |  |
Private Placement Warrants [Member] | Common Stock [Member] | Securities Purchase Agreement Initial Closing [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common stock, shares issued |  | 8,730,168 |  |  |  |  |
Private Placement Warrants [Member] | Pre-funded Warrants [Member] | Accredited Investor [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Warrants exercise price |  |  |  |  | $ 0.001 |  |
Private Placement Warrants [Member] | Pre-funded Warrants [Member] | Securities Purchase Agreement Initial Closing [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common stock, shares issued |  | 6,421,350 |  |  |  |  |
Jeffries LLC [Member] | ATM Program [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Common stock number of shares issued |  |  |  | 0 |  |  |
Equity distribution agreement maximum value of common shares issuable |  |  |  |  |  |  | $ 75,000,000
Public float minimum balance to be maintained |  |  |  | $ 75,000,000 |  |  |
Jeffries LLC [Member] | Maximum [Member] | ATM Program [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Equity distribution agreement maximum value of common shares issuable |  |  |  | $ 17,800,000 |  |  |
BVF Exchanging Stockholders [Member] | Series X1 Non-voting Convertible Preferred Stock [Member] | Series X1 Exchange Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Conversion of stock, shares issued |  |  | 9,899.99 |  |  |  |
BVF Exchanging Stockholders [Member] | Common Stock [Member] | Series X1 Exchange Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Conversion of stock, shares converted |  |  | 550,000 |  |  |  |
Cormorant Global Healthcare Master Fund LP [Member] | Series X Non-Voting Convertible Preferred Stock [Member] | Conversion Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Conversion of stock, shares converted | 1,782 |  |  |  |  |  |
Cormorant Global Healthcare Master Fund LP [Member] | Series X1 Non-voting Convertible Preferred Stock [Member] | Conversion Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Conversion of stock, shares converted | 7,883.586 |  |  |  |  |  |
Cormorant Global Healthcare Master Fund LP [Member] | Common Stock [Member] | Series X Non-Voting Convertible Preferred Stock [Member] | Conversion Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Conversion of stock, shares issued | 99,000 |  |  |  |  |  |
Cormorant Global Healthcare Master Fund LP [Member] | Common Stock [Member] | Series X1 Non-voting Convertible Preferred Stock [Member] | Conversion Agreement [Member] |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |
Conversion of stock, shares issued | 437,977 |  |  |  |  |  |

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