Basis of presentation (Tables)

12 Months Ended

Dec. 31, 2025

Basis of Presentation [Line Items]

Summary of foreign exchange rates

The Group used the following exchange rates to convert the financial statements of its U.S. subsidiary:


		2025								2024								2023
		Year-end rate				Average rate				Year-end rate				Average rate				Year-end rate				Average rate
Euros per U.S. dollar			0.85106				0.87428				0.96256				0.92417				0.90498				0.92460