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Operating expenses - Summary of Other Operating Income (Expense) (Details) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Analysis of income and expense [abstract]
Contract termination indemnity (PharmaEngine)	€ (5,414)	€ 0
Total Other operating income and expenses	€ (5,414)	€ 0	€ 0

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- References

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- Definition

The amount of operating income (expense) that the entity does not separately disclose in the same statement or note.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Contract Termination Indemnities

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No definition available.

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