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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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