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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2025
Income Taxes [Line Items] |  |  |  |  |
Liability unrecognized tax benefits | $ 0 |  | $ 0 |  | $ 0
Effective income tax rate | 27.00% | 24.00% | 17.00% | 18.00% |
Income before taxes | $ 4,223 | $ 4,297 | $ 9,236 | $ 7,591 |
Federal Tax Jurisdictions [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Open tax year |  |  | 2021 2022 2023 2024 |  |
State Tax Jurisdictions [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Open tax year |  |  | 2020 2021 2022 2023 2024 |  |
International Tax Jurisdictions [Member] | State Administration of Taxation, China [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Open tax year |  |  | 2021 2022 2023 2024 |  |
International Tax Jurisdictions [Member] | Ministry of Finance, India [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Open tax year |  |  | 2021 2022 2023 2024 |  |

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