Business Segment Information - Summary of Disaggregated Expense (Parenthetical) (Details) - USD ($) |
3 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Segment Reporting [Line Items] | ||
| Stock-based compensation | $ 91,000 | $ 78,000 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||
| Segment Reporting [Line Items] | ||
| Stock-based compensation | 14,000 | 13,000 |
| Depreciation and amortization expense | 36,000 | 56,000 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | ||
| Segment Reporting [Line Items] | ||
| Stock-based compensation | 77,000 | 65,000 |
| Depreciation and amortization expense | $ 4,000 | $ 5,000 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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