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Note 9 - Other disclosures (Details Textual) € in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2022 EUR (€) USD ($) | Jun. 30, 2021 EUR (€) | Dec. 31, 2020 | Dec. 31, 2019 EUR (€)
Statement Line Items [Line Items] |  |  |  |
Granted | $ | 2,283,740 |  |  |
Share-based payments | € 929 | € 1,165 |  |
Sono Motors Investment UG [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Total borrowings |  |  |  | € 185
Borrowings, interest rate |  |  | 4.00% |
CSOP |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Share-based payments | 439 | € 1,165 |  |
RSU |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Share-based payments | € 490 |  |  |

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