Summary of significant accounting policies (Details) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
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Mar. 31, 2026
USD ($)
Segment
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Jun. 30, 2026
USD ($)
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Mar. 31, 2025
USD ($)
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Mar. 31, 2024
USD ($)
|
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| Summary of significant accounting policies [Abstract] | ||||
| Number of operating segments (in Segment) | Segment | 1 | |||
| In Process Research and Development [Member] | ||||
| Summary of significant accounting policies [Abstract] | ||||
| IPR&D asset | $ 41,128 | $ 41,128 | $ 41,128 | |
| GTX 102 [Member] | In Process Research and Development [Member] | Forecast [Member] | ||||
| Summary of significant accounting policies [Abstract] | ||||
| IPR&D asset | $ 9,196 | |||
| GTX 101 [Member] | In Process Research and Development [Member] | Forecast [Member] | ||||
| Summary of significant accounting policies [Abstract] | ||||
| IPR&D asset | $ 4,337 |
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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/exampleRef
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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