Summary of significant accounting policies - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Summary of significant accounting policies | ||
| Cash equivalents | $ 120,300 | $ 89,900 |
| Restricted cash | 1,703 | 1,703 |
| Research and development incentives | 1,604 | 1,773 |
| Research and development incentives receivable, current | 1,619 | 3,725 |
| Unrealized gains (loss) on short-term investments | (300) | 419 |
| Foreign currency translation gain (loss) | $ 255 | 174 |
| Minimum percentage of benefit recognized is being realized upon ultimate settlement | 50.00% | |
| Maximum | United Kingdom | ||
| Summary of significant accounting policies | ||
| Percentage of qualifying research and development expenses reimbursed by government | 16.20% | |
| Operating Lease | ||
| Summary of significant accounting policies | ||
| Restricted cash | $ 1,700 | $ 1,700 |
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- Definition The minimum percentage of amount of the income tax benefit that may be recognized is realized upon ultimate settlement. No definition available.
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- Definition The percentage of qualifying research and development expenses reimbursed by government. No definition available.
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- Definition The amount of research and development incentives income. No definition available.
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- Definition The amount of research and development incentives receivable, within one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business. No definition available.
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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. No definition available.
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- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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