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Stockholder's Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Nov. 14, 2024 | Jun. 30, 2024 | Apr. 30, 2024 | Mar. 31, 2024 | Feb. 29, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Jul. 31, 2022 | Aug. 31, 2021 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from private placement |  |  |  |  |  |  |  | $ 122,500 |  |  |  |  |  |  |  |
Share option expired |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 248,907 |
Common stock |  |  |  |  |  | $ 78 |  |  |  | $ 106 |  |  |  |  | $ 106 |
Net proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39,737 | $ 17,995
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of shares |  |  |  |  |  |  |  |  |  |  | 936,719 | 6,639,348 |  |  |  |
Common stock shares issued for exercise of warrants |  | 19,901 | 965,427 |  | 5,243,400 |  | 2,582,557 |  |  |  |  |  |  |  |  |
Share option expired |  |  |  |  |  |  |  |  |  | 107,467 | 35,914 | 105,526 | 283 | 55,605 |  |
Common Stock [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued for exercise of warrants | 2,739,096 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of shares |  | 7,000,000 |  |  |  | 18,379,861 |  |  |  |  | 7,000,000 |  |  |  |  |
Offering price per share |  | $ 6.249 |  |  |  | $ 2.879 |  | $ 3.87025 |  |  |  |  |  |  |  |
Pre-funded warrants were recorded at fair value |  | $ 43,700 |  |  |  | $ 52,900 |  |  |  |  |  |  |  |  |  |
Pre-funded Warrants [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of shares |  |  |  |  |  |  |  | 24,696,206 |  |  |  |  |  |  |  |
Purchase price per share |  | $ 0.001 |  |  |  | $ 0.001 |  | $ 0.001 |  |  | $ 0.001 |  |  |  |  |
Warrants or Common Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Offering price per share |  |  |  |  |  |  |  | 3.87125 |  |  |  |  |  |  |  |
Purchase price per share |  |  |  |  |  |  |  | $ 5.806875 |  |  |  |  |  |  |  |
Warrant expiration date |  |  |  |  |  |  |  | Jun. 30, 2025 |  |  |  |  |  |  |  |
Warrants or Common Warrants [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of shares |  |  |  |  |  |  |  | 8,427,508 |  |  |  |  |  |  |  |
Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of shares |  |  |  |  |  |  |  | 9,013,834 |  |  |  |  |  |  |  |
Underwriting agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of shares |  | 13,001,120 |  |  |  | 25,035,000 |  |  |  |  |  |  |  |  |  |
Common stock, par value per share |  | $ 0.001 |  |  |  | $ 0.001 |  |  |  |  | 0.001 |  |  |  |  |
Exchange value |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |
Shares issued price per share |  | $ 6.25 |  |  |  | $ 2.88 |  |  |  |  | $ 6.25 |  |  |  |  |
Net proceeds from sale of common stock |  | $ 116,800 |  |  |  | $ 117,000 |  |  |  |  |  |  |  |  |  |
Underwriting agreement [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of shares |  |  |  |  |  | 350,000 |  |  |  |  |  |  |  |  |  |
Sales Agreement with Cowen and Company LLC [Member] | 2021 ATM Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |
Percentage of gross proceeds of common stock to be paid |  |  |  |  |  |  |  |  | 3.00% |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  | 7,576,067 |  |  |  |  | 7,576,067 | 2,646,458
Net proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38,400 | $ 17,500
Common stock sales agreement expiration date |  |  |  |  |  |  |  |  | Aug. 15, 2024 |  |  |  |  |  |  |
Number of common stock sold after expiration date |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |
Sales Agreement with Cowen and Company LLC [Member] | 2024 ATM Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  |  |  | $ 100,000 |  |  |  |  |  |  |  | $ 100,000 |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  | 0 |
Sales Agreement with Cowen and Company LLC [Member] | 2024 ATM Program [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of gross proceeds of common stock to be paid |  |  |  | 3.00% |  |  |  |  |  |  |  |  |  |  |  |
Sales Agreement with Cowen and Company LLC [Member] | 2024 ATM Program [Member] | Common Stock [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class Of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of shares | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from sale of common stock | $ 4,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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