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The Company and Its Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Schedule Of Accounting Policies [Line Items] |  |  |
Minimum level of likelihood | 50.00% |  |
Service based cloud computing software implementation costs | $ 1,991 |  |
Hosting Arrangement, Service Contract, Implementation Cost, Impairment, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Assets, Noncurrent |  |
Research and development costs | $ 4,039 | $ 3,944 | $ 4,144
Buildings and Leasehold Improvements [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives range | 40 years |  |
Minimum [Member] | Office Equipment [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives range | 3 years |  |
Minimum [Member] | Manufacturing Equipment [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives range | 8 years |  |
Maximum [Member] | Office Equipment [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives range | 8 years |  |
Maximum [Member] | Manufacturing Equipment [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives range | 25 years |  |

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- Definition Amount of impairment loss on capitalized implementation cost from hosting arrangement that is service contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -SubTopic 40 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476168/350-40-50-3 + Details
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 730 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482916/730-10-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 912 -SubTopic 730 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479532/912-730-25-1 + Details
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