Income taxes - Schedule of income taxes paid, net of refunds received (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Mar. 31, 2026 |
Mar. 31, 2025 |
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| Income Tax Paid, by Individual Jurisdiction [Line Items] | ||
| Federal | $ 130 | |
| Foreign | 0 | |
| Total | (5) | $ 105 |
| Massachusetts | ||
| Income Tax Paid, by Individual Jurisdiction [Line Items] | ||
| State | $ (135) | |
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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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- Definition Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after income tax refund received, of cash paid to foreign tax jurisdiction for tax on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after income tax refund received, of cash paid to state and local tax jurisdictions for tax on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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