Prepaid expenses and other current assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Prepaid Expenses And Other Current Assets | |||
| Prepaid insurance expenses | $ 233 | $ 123 | $ 155 |
| Prepaid research expenses | 164 | 255 | 36 |
| Other prepaid expenses | 61 | 19 | 27 |
| Total | $ 458 | 397 | 218 |
| Prepaid rent expenses |
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- References No definition available.
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- Definition Amount of asset related to consideration paid in advance for research that provides economic benefits within a future period of one year or the normal operating cycle, if longer. No definition available.
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- Definition Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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