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Share-based compensation and warrant reserve (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2023 shares $ / shares | Dec. 31, 2022 shares $ / shares | Dec. 31, 2021 shares $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options granted | 3,134,800 | 3,430,000 | 1,405,000
Weighted average exercise price granted | $ / shares | $ 0.47 | $ 0.46 | $ 0.56
RSU’s [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of other equity instruments granted in share-based payment arrangement | 197,345 | 0 | 0

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2023-03-23 + Details
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