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Income tax and deferred taxes - Tax Loss Carryforwards (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of Income tax and deferred taxes [Line Items] |  |
Net operating loss carryforwards | $ 10,059 | $ 8,557
Chile |  |
Disclosure of Income tax and deferred taxes [Line Items] |  |
Net operating loss carryforwards | $ 10,059 | 7,113
Foreign |  |
Disclosure of Income tax and deferred taxes [Line Items] |  |
Net operating loss carryforwards |  | $ 1,444

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
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