The amount of the estimated financial effect of possible assets that arise from past events and whose existence will be confirmed only by the occurrence or non-occurrence of one or more uncertain future events not wholly within control of the entity.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2022-03-24
-Paragraph 89
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_89&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_EstimatedFinancialEffectOfContingentAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Contingent assets and liabilities (Details) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2020	Nov. 08, 2018
Contingent Liabilities
VAT refund from tax authorities	€ 970
Reimbursement amount	2,012
Contingent assets
Contingent Liabilities
VAT refund from tax authorities	€ 970
Universitair Medisch Centrum Utrecht
Contingent Liabilities
Amount in dispute		€ 1,300	€ 880