| Intangible assets, net - Tabular Disclosure (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | 
|---|---|---|
| Intangible assets, net | ||
| Intangible assets, gross | $ 9,447 | $ 5,485 | 
| Less accumulated amortization | (5,567) | (5,155) | 
| Intangible assets, net | 3,880 | 330 | 
| Acquired software licenses | ||
| Intangible assets, net | ||
| Intangible assets, gross | 6,137 | 5,288 | 
| Licensed IP rights - completed technology used in R&D | ||
| Intangible assets, net | ||
| Intangible assets, gross | 195 | $ 197 | 
| In-licensed technology | ||
| Intangible assets, net | ||
| Intangible assets, gross | $ 3,115 | 
| X | ||||||||||
| 
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
 | 
| X | ||||||||||
| 
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
 | 
| X | ||||||||||
| 
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
 | 
| X | ||||||||||
| 
- References No definition available. 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Details 
 |