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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended				9 Months Ended
	Nov. 02, 2023	May 25, 2023	Apr. 15, 2019	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Aug. 31, 2021
Unrecognized compensation cost related to unvested employee and director stock-based awards				$ 67.5				$ 67.5
Weighted average period for unrecognized compensation cost								2 years 3 months 18 days
Common Stock
Number of shares issued				34,728	24,268	21,797	9,506
2019 Stock Plan [Member]
Share-based compensation arrangement by share-based payment award, number of shares authorized			3,428,571
Share based compensation arrangement by share based payment award number of shares available for grant				477,890				477,890
2019 Stock Plan [Member] \| Common Stock
Share-based compensation arrangement by sharebased payment award, number of additional shares authorized		1,000,000
2019 Stock Plan [Member] \| From 2014 Plan [Member]
Share-based compensation arrangement by share-based payment award, number of shares authorized			1,595,189
2019 Employee Stock Purchase Plan [Member]
Share-based compensation arrangement by share-based payment award, number of shares authorized			371,142
Share based compensation arrangement by share based payment award number of shares available for grant				174,260				174,260
Purchase price of common stock, percent			85.00%
Number of shares issued								58,995
2021 Inducement Plan [Member] \| Common Stock
Share-based compensation arrangement by share-based payment award, number of shares authorized									1,000,000
Share-based compensation arrangement by sharebased payment award, number of additional shares authorized	500,000
Share based compensation arrangement by share based payment award number of shares available for grant				407,863				407,863
2019 Plan and 2021 Inducement Plan [Member] \| Common Stock
Options granted								318,130
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value								$ 51.56
2019 Plan and 2021 Inducement Plan [Member] \| Restricted stock units [Member]
Shares granted								363,545
Share-based compensation arrangement by share-based payment award, grants in period, weighted average grant date fair value								$ 79.52