Intangible assets (Details) - EUR (€) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | € 65,000,000 | € 65,000,000 |
| BreastCheck IP Rights [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | 60,000,000 | 60,000,000 |
| Tricos IP Rights [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | 1,000,000 | 1,000,000 |
| Testic IP Rights [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | 1,000,000 | 1,000,000 |
| Davion Masks IP Rights [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | 1,500,000 | 1,500,000 |
| Bio Genex IP Rights [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | 1,000,000 | 1,000,000 |
| Merit IP Rights [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Fair value of the intangible asset | € 500,000 | € 500,000 |