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Note 25 - Share Capital (Details Textual) - USD ($) $ / shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement Line Items [Line Items] |  |  |
Proceeds from issuing shares | $ 7,806 | $ 12,538 | $ 0
Cantor Fitzgerald & Co. [member] | Issued capital [member] |  |  |
Statement Line Items [Line Items] |  |  |
Proceeds from issuing shares |  | 13,000 |
Share issue related cost |  | $ 462 |
Ordinary shares [member] |  |  |
Statement Line Items [Line Items] |  |  |
Par value per share (in dollars per share) | $ 0 |  |
Preference shares [member] |  |  |
Statement Line Items [Line Items] |  |  |
Par value per share (in dollars per share) | $ 0 |  |
Depository receipts on VFEX [member] | Issued capital [member] |  |  |
Statement Line Items [Line Items] |  |  |
Proceeds from issuing shares | $ 7,834 |  |
Share issue related cost | $ 28 |  |

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