Other income (Details) - EUR (€) € in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Other income
Grant income	€ 229	€ 379
Other income	34	37
Total other income	€ 263	€ 416

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

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