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Equity - Accumulated other comprehensive income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IFRS Statement [Line Items] |  |  |
Beginning balance | $ (548) |  |
Exchange differences arising on translation of foreign operations | 0 | $ 44 |
Changes in fair value of financial assets | (2) | (2) | $ (5)
Remeasurement of defined benefit pension plans | 5 | (1) | 17
Ending balance | (666) | (548) |
Accumulated other Comprehensive income [member] |  |  |
IFRS Statement [Line Items] |  |  |
Beginning balance | (548) | (952) | (549)
Exchange differences arising on translation of foreign operations | (72) | 512 | (545)
Changes in fair value of financial assets | (179) | 67 | (30)
Remeasurement of defined benefit pension plans | 133 | (175) | 172
Ending balance | (666) | (548) | (952)
Defined benefit pension plans |  |  |
IFRS Statement [Line Items] |  |  |
Beginning balance | 105 | 280 | 108
Exchange differences arising on translation of foreign operations | 0 | 0 | 0
Changes in fair value of financial assets | 0 | 0 | 0
Remeasurement of defined benefit pension plans | 133 | (175) | 172
Ending balance | 238 | 105 | 280
Unrealized gain (losses) on securities [Member] |  |  |
IFRS Statement [Line Items] |  |  |
Beginning balance | (869) | (936) | (906)
Exchange differences arising on translation of foreign operations | 0 | 0 | 0
Changes in fair value of financial assets | (179) | 67 | (30)
Remeasurement of defined benefit pension plans | 0 | 0 | 0
Ending balance | (1,048) | (869) | (936)
Foreign currency translation [member] |  |  |
IFRS Statement [Line Items] |  |  |
Beginning balance | 216 | (296) | 249
Exchange differences arising on translation of foreign operations | (72) | 512 | (545)
Changes in fair value of financial assets | 0 | 0 | 0
Remeasurement of defined benefit pension plans | 0 | 0 | 0
Ending balance | $ 144 | $ 216 | $ (296)

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