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Accounts payable (Tables) | 12 Months Ended
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Dec. 31, 2020
Text Block [Abstract] |
Summary of Accounts Payable |
|  | As of |
|  | December 31, 2020 |  |  | December 31, 2019 |
|  | (Euros in thousands) |
Accounts payable |  |  | 2,554 |  |  |  | 4,866 |
Other accrued liabilities |  |  | 7,498 |  |  |  | 2,216 |
Total accounts payable |  |  | 10,052 |  |  |  | 7,082 |

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