Income Taxes - Additional Information (Detail) - USD ($)	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Income Tax [Line Items]
Deferred tax assets, net of valuation allowance	$ 37,220,000	$ 35,514,000
Accrued penalties on uncertain tax position	0	0	$ 0
State Income Tax [Member]
Income Tax [Line Items]
Net operating loss carryforwards	1,600,000	$ 1,600,000
Deferred tax assets, net of valuation allowance	$ 8,300,000		$ 9,900,000