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Revenues and Other Income (Details) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues and Other Income |  |  |
Sales | € 372 | € 6,998 | € 3,197
Total revenues | 372 | 6,998 | 3,197
CIR | 4,791 | 4,293 | 4,166
Subsidies |  |  | 16
Other | 100 | 0 |
Total other income | 4,891 | 4,293 | 4,182
Total revenues and other income | € 5,263 | € 11,291 | € 7,379

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