Segment information - Additional information (Details) € in Thousands	12 Months Ended
Dec. 31, 2025 EUR (€) segment customer	Dec. 31, 2024 EUR (€) customer	Dec. 31, 2023 EUR (€) customer
Segment information
Number of reportable segments \| segment	3
Number Of Customers With Sales Larger than 10% \| customer	1	1	1
Revenue	€ 267,633	€ 266,765	€ 256,127
Belgium
Segment information
Revenue	6,157	6,564	8,265
Customer one with sales greater than 10% \| Medical Segment
Segment information
Revenue	€ 60,735	€ 50,500	€ 39,868

- References

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+ Details