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Income Taxes - Additional Information (Detail) - USD ($) | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
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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

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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