Payables and other current liabilities - Disclosure of tax and employee-related payables (Details) - EUR (€) € in Thousands	Jun. 30, 2025	Dec. 31, 2024
Trade and other current payables [abstract]
Employee-related payables	€ 2,184	€ 2,742
Social security and other	881	1,783
Other tax and related payments	163	184
Tax and employee-related payables	€ 3,228	€ 4,709

The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 78
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_ShorttermEmployeeBenefitsAccruals
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant