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Note 13 - Net Foreign Exchange Gain (Details Textual) |  |  |  |  |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 01, 2023 | Jul. 01, 2021 oz kg | Jan. 08, 2021 | May 26, 2020 | Nov. 12, 2018 | Oct. 01, 2018 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Feb. 20, 2019
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |
Closing foreign exchange rate |  |  |  |  |  |  | 684.33 | 108.67 | 81.79 | 2.5
Foreign currency allocation, percentage |  |  | 60.00% | 70.00% | 55.00% | 30.00% | 72.70% |  |  |
Foreign currency allocation, incremental revenue, percentage |  | 100.00% |  |  |  |  |  |  |  |
Baseline level of production per month (Kilogram) | kg |  | 148.38 |  |  |  |  |  |  |  |
Production per annum (Ounce) | oz |  | 57,000 |  |  |  |  |  |  |  |
Abnormally large changes in asset prices or foreign exchange rates [member] |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |
Foreign currency allocation, percentage | 75.00% |  |  |  |  |  |  |  |  |

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- Definition The baseline level of production per month. + References No definition available. + Details
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- Definition The percentage of incremental revenue to be allocated in foreign currency. + References No definition available. + Details
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- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + 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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