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Other current and non-current assets - Summary of Other non-current assets (Detail) - EUR (€) € in Thousands	Dec. 31, 2020	Dec. 31, 2019
Trade and other non-current receivables [abstract]
Prepaid expenses	€ 724	€ 937
Other non-current assets		325
Total non-current assets	€ 724	€ 1,262	[1]
[1] See Note 2 for details regarding the change in presentation of Other financial assets

X

- Definition

The amount of non-current prepayments. [Refer: Prepayments]

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- Definition

The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]

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- Definition

Other non current asset.

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