Property and equipment, net - Schedule of property and equipment (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | $ 8,789 | $ 7,820 |
| Accumulated depreciation | (5,239) | (4,027) |
| Property and equipment, net | 3,550 | 3,793 |
| Leasehold Improvements [Member] | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 1,017 | 696 |
| Plant and Field Equipment [Member] | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 2,598 | 2,600 |
| Information Technology Equipment [Member] | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 1,042 | 876 |
| Tooling [Member] | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | 2,800 | 2,347 |
| Capitalized Software [Member] | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property and equipment, gross | $ 1,332 | $ 1,301 |
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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/2009/role/commonPracticeRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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