Contingent Liabilities (Details) - EUR (€) € in Thousands	9 Months Ended
Sep. 30, 2020	Nov. 08, 2018
Universitair Medisch Centrum Utrecht
Contingent Liabilities
Disputed amount	€ 1,300	€ 880
State of Mecklenburg-Western Pomerania ("MVP")
Contingent Liabilities
Amounts received on invoices	€ 2,300

The cash inflow from sales of goods and rendering of services.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 14
-Subparagraph a
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-URIDate 2019-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration