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Financial income and expenses (Tables) | 12 Months Ended
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Dec. 31, 2020
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Summary of finance income and costs | Financial income and financial expenses consist of the following:
|  | Year ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (Euros in thousands) |
Interest income from short-term deposits |  |  | 850 |  |  |  | 790 |  |  |  | 507 |
Foreign currency gains |  |  | — |  |  |  | — |  |  |  | 1,708 |
Gain on other financial instruments |  |  | 2,099 |  |  |  | — |  |  |  | — |
Financial income |  |  | 2,949 |  |  |  | 790 |  |  |  | 2,215 |
Interest expenses form leases |  |  | (289 | ) |  |  | (170 | ) |  |  | (16 | )
Foreign currency losses |  |  | (9,774 | ) |  |  | (94 | ) |  |  | (145 | )
Financial expenses |  |  | (10,063 | ) |  |  | (264 | ) |  |  | (161 | )

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