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v3.22.2.2

Note 6 - Disclosures to the interim condensed consolidated statements of income or loss (Details Textual) € in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2022 EUR (€) | Jun. 30, 2022 EUR (€) | Jun. 30, 2021 EUR (€) | Jun. 30, 2022 EUR (€) employee | Jun. 30, 2021 EUR (€) | Dec. 31, 2021 EUR (€)
Statement Line Items [Line Items] |  |  |  |  |  |
Total revenue |  | € 23 | € 0 | € 42 | € 0 |
Cost of sales |  | 123 | 0 | 142 | 0 |
Trade receivables |  | 39 | € 20 | 39 | 20 |
Transaction price allocated to remaining performance obligations |  | 275 |  | 275 |  | € 42
Interest expense |  |  |  | 923 | 2,645 |
Interest expense on advance payments from customers |  |  |  | 781 | 806 |
Total contract liabilities |  | 115 |  | 115 |  |
Interest expense on long-term loans |  |  |  | 102 | 155 |
Interest expense on lease liabilities |  |  |  | € 39 | 23 |
Interest expense on mandatory convertible bonds |  |  |  |  | € 1,661 |
Percentage of annual gross salary of employees that will be granted as stock options | 10.00% |  |  |  |  |
Minimum stock option per year and employee that will be granted | € 5 |  |  |  |  |
Number of employees who signed the plan | employee |  |  |  | 0 |  |
Integration of solar technology |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Total revenue |  | 21 |  | € 39 |  |
Cost of sales |  | 121 |  | 140 |  |
Sono app [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Total revenue |  | 2 |  | 3 |  |
Cost of sales |  | € 1 |  | € 2 |  |

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