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Other current liabilities (Tables) | 6 Months Ended
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Jun. 30, 2022
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Summary of other current liabilities | Other current liabilities consisted of the following as of June 30, 2022 and December 31, 2021.
|  | As of |
|  | June 30, 2022 |  |  | December 31, 2021 |
|  | (Euros in thousands) |
Income tax liability |  |  | 1,145 |  |  |  | — |
Payroll tax |  |  | 400 |  |  |  | 1,760 |
Accrual for vacation |  |  | 1,194 |  |  |  | 607 |
Other |  |  | 174 |  |  |  | 134 |
Total |  |  | 2,913 |  |  |  | 2,501 |

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