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Note 32 - Financial Instruments and Risk Management (Tables) | 12 Months Ended
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Dec. 31, 2022
Statement Line Items [Line Items] |
Disclosure of credit risk exposure [text block] |
Carrying amount |  | 2022 |  |  | 2021 |
Zimbabwe |  |  | 9,059 |  |  |  | 4,753 |
Jersey, Channel Islands |  |  | – |  |  |  | – |
Other regions |  |  | 1 |  |  |  | 23 |
|  |  | 9,060 |  |  |  | 4,776 |
Disclosure of maturity analysis for non-derivative financial liabilities [text block] |
December 31, 2022 |  | Carrying amount |  |  | Total Contractual cashflow amount |  |  | 12 months or less |
Trade and other payables |  |  | 11,430 |  |  |  | 11,430 |  |  |  | 11,430 |
Loan notes payable |  |  | 7,104 |  |  |  | 7,723 |  |  |  | 7,723 |
Lease liabilities |  |  | 313 |  |  |  | 342 |  |  |  | 152 |
|  |  | 18,847 |  |  |  | 19,195 |  |  |  | 19,305 |
December 31, 2021 |  | Carrying amount |  |  | Total Contractual cashflow amount |  |  | 12 months or less |
Trade and other payables |  |  | 4,400 |  |  |  | 4,400 |  |  |  | 4,400 |
Lease liabilities |  |  | 465 |  |  |  | 532 |  |  |  | 158 |
|  |  | 4,865 |  |  |  | 4,932 |  |  |  | 4,558 |
Disclosure of gold price effect on derivative financial instruments [text block] |
|  | 2022 |  |  | 2021 |
Derivative financial liabilities - Gold loan |  |  |  |  |  |  |  |
Increase by 5% of the gold price |  |  | - |  |  |  | 143 |
Decrease by 5% of the gold price |  |  | - |  |  |  | (143 | )
Derivative financial liabilities - Call option |  |  |  |  |  |  |  |
Increase by 5% of the gold price |  |  | - |  |  |  | 11 |
Decrease by 5% of the gold price |  |  | - |  |  |  | (11 | )
Derivative financial assets - Put option |  |  |  |  |  |  |  |
Increase by 5% of the gold price |  |  | - |  |  |  | - |
Decrease by 5% of the gold price |  |  | 22 |  |  |  | - |
Fair value loss on derivative financial instruments |  | 2022 |  |  | 2021 |
Derivative financial liabilities - Gold loan |  |  |  |  |  |  |  |
Increase by 5% of the gold price |  |  | - |  |  |  | 143 |
Decrease by 5% of the gold price |  |  | - |  |  |  | (143 | )
Derivative financial liabilities - Call option |  |  |  |  |  |  |  |
Increase by 5% of the gold price |  |  | - |  |  |  | 11 |
Decrease by 5% of the gold price |  |  | - |  |  |  | (11 | )
Derivative financial assets - Put option |  |  |  |  |  |  |  |
Increase by 5% of the gold price |  |  | - |  |  |  | - |
Decrease by 5% of the gold price |  |  | 22 |  |  |  | - |
Sensitivity analysis for types of market risk [text block] |
|  | 2022 |  |  | 2021 |
|  | $'000 |  |  | $'000 |
|  | Functional currency |  |  | Functional currency |
|  | ZAR |  |  |  | $ |  |  | ZAR |  |  |  | $ |
Cash and cash equivalents |  |  | 60 |  |  |  | 259 |  |  |  | 59 |  |  |  | 259 |
Trade and other receivables |  |  | - |  |  |  | 2,607 |  |  |  | - |  |  |  | 2,293 |
Trade and other payables |  |  | - |  |  |  | (130 | ) |  |  | - |  |  |  | (166 | )
Overdraft |  |  | - |  |  |  | (5,239 | ) |  |  | - |  |  |  | (887 | )
|  |  | 60 |  |  |  | (2,503 | ) |  |  | 59 |  |  |  | 1,499 |
|  | 2022 |  |  | 2021 |
|  | $'000 |  |  | $'000 |
|  | Functional currency |  |  | Functional currency |
|  | ZAR |  |  |  | $ |  |  | ZAR |  |  |  | $ |
Cash and cash equivalents |  |  | 3 |  |  |  | 27 |  |  |  | 3 |  |  |  | 40 |
Trade and other receivables |  |  | - |  |  |  | 124 |  |  |  | - |  |  |  | 109 |
Trade and other payables |  |  | - |  |  |  | (6 | ) |  |  | - |  |  |  | (8 | )
Overdraft |  |  | - |  |  |  | (249 | ) |  |  | - |  |  |  | (42 | )
|  |  | 3 |  |  |  | (104 | ) |  |  | 3 |  |  |  | 99 |
|  | 2022 |  |  | 2021 |
Cash and cash equivalents |  |  | 6,735 |  |  |  | 17,152 |
Overdraft |  |  | 5,239 |  |  |  | 887 |
Loan notes payable |  |  | 7,104 |  |  |  | – |
Sensitivity analysis - Cash and cash equivalents |  | 2022 |  |  | 2021 |
Increase by 100 basis points |  |  | 67 |  |  |  | 172 |
Decrease by 100 basis points |  |  | (67 | ) |  |  | (172 | )
Sensitivity analysis - Overdraft |  |  |  |  |  |  |  |
Increase by 100 basis points |  |  | 52 |  |  |  | 9 |
Decrease by 100 basis points |  |  | (52 | ) |  |  | (9 | )
Sensitivity analysis - Loan notes payable |  |  |  |  |  |  |  |
Increase by 100 basis points |  |  | 71 |  |  |  | - |
Decrease by 100 basis points |  |  | (71 | ) |  |  | - |

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- Definition The disclosure of the credit risk exposure. Credit risk exposure is the credit risk inherent in an entity’s financial assets and commitments to extend credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of a maturity analysis for non-derivative financial liabilities (including issued financial guarantee contracts) that shows the remaining contractual maturities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 39 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of the sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss and equity would have been affected by changes in the relevant risk variable that were reasonably possible at that date. [Refer: Market risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 40 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_40_a&doctype=Standard -URIDate 2021-03-24 + Details
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