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Note 15 - Finance Income and Finance Costs - Components of Finance Income and Costs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement Line Items [Line Items] |  |  |  |
Finance income received – Bank |  | $ 17 | $ 14 | $ 62
Finance cost – Capitalised to property, plant and equipment (note 17) |  | 0 | (17) | (53)
Unwinding of rehabilitation provision (note 28) |  | 132 | 0 | 2
Finance cost – Leases (note 19) |  | 31 | 24 | 15
Finance cost – Overdraft |  | 192 | 86 | 17
ZESA interest * | [1] | 0 | 226 | 0
Finance cost |  | 657 | 375 | 367
Cash – Finance income |  | 17 | 14 | 62
Cash – Finance cost |  | (192) | (388) | (405)
Non-cash – Finance cost |  | (465) | 13 | 38
Cash and non-cash finance income (cost) |  | 657 | 375 | 367
Term loan [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Finance cost - borrowings |  | 0 | 56 | 386
Loan notes payable [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Finance cost - borrowings |  | $ 302 | $ 0 | $ 0
[1] | During the period from January 2021 to March 2021 it was unclear in what currency the monthly payments to the Zimbabwe Electricity Supply Authority (“ZESA”) had to be made. In April 2021 Blanket was advised that the payments had to be paid on a 60/40 basis USD/RTGS$. Interest was charged on the outstanding amounts to ZESA during the period January 2021 to March 2021 when payments were withheld.

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- Definition The amount of cash and non-cash finance income (cost). + References No definition available. + Details
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- Definition The amount of interest costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References No definition available. + Details
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- Definition The amount of interest expense to authority. + References No definition available. + Details
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- Definition The cash inflow from interest received. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Adjustments for net finance income or cost to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Finance income (cost); Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of expense recognised due to the unwinding of the discount on provisions other than provisions from employee benefits, resulting from the effect of the passage of time. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 82 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of interest expense on bank loans and overdrafts. [Refer: Interest expense; Bank overdrafts] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of interest expense on lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of interest income on deposits. [Refer: Interest income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The cash outflow for interest paid, classified as operating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_31&doctype=Standard -URIDate 2021-03-24 + Details
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