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Note 4 - Significant Accounting Policies (Details Textual) |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2021 kg oz | Jan. 08, 2021 | May 26, 2020 | Nov. 12, 2018 | Oct. 01, 2018 | Jun. 30, 2021 kg oz | Dec. 31, 2021 oz | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2023 oz | Dec. 31, 2022 oz | Feb. 20, 2019
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Closing foreign exchange rate |  |  |  |  |  |  | 108.67 | 81.79 | 16.77 |  |  | 2.5
Foreign currency allocation, percentage | 71.50% | 60.00% | 70.00% | 55.00% | 30.00% |  | 71.50% |  |  |  |  |
Foreign currency allocation, incremental revenue, percentage | 100.00% |  |  |  |  | 100.00% |  |  |  |  |  |
Baseline level of production per month (Kilogram) | kg | 148.38 |  |  |  |  | 148.38 |  |  |  |  |  |
Production per annum (Ounce) | 57,000 |  |  |  |  | 57,000 | 67,000 |  |  |  |  |
Target production rate, year two (Ounce) |  |  |  |  |  |  |  |  |  | 80,000 | 80,000 |
Revenue recognition, variable rate |  |  |  |  |  |  | 1.25% |  |  |  |  |
Machinery [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant, and equipment, useful life (Year) |  |  |  |  |  |  | 10 years | 10 years | 10 years |  |  |
Motor vehicles [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant, and equipment, useful life (Year) |  |  |  |  |  |  | 4 years | 4 years | 4 years |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Target production rate, year one (Ounce) |  |  |  |  |  |  |  |  |  |  | 73,000 |
Right of use assets, useful life (Year) |  |  |  |  |  |  | 3 years | 3 years | 3 years |  |  |
Bottom of range [member] | Buildings [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant, and equipment, useful life (Year) |  |  |  |  |  |  | 10 years | 10 years | 10 years |  |  |
Bottom of range [member] | Fixtures and fittings [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant, and equipment, useful life (Year) |  |  |  |  |  |  | 4 years | 4 years | 4 years |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Target production rate, year one (Ounce) |  |  |  |  |  |  |  |  |  |  | 80,000 |
Right of use assets, useful life (Year) |  |  |  |  |  |  | 6 years | 6 years | 6 years |  |  |
Top of range [member] | Buildings [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant, and equipment, useful life (Year) |  |  |  |  |  |  | 15 years | 15 years | 15 years |  |  |
Top of range [member] | Fixtures and fittings [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Property, plant, and equipment, useful life (Year) |  |  |  |  |  |  | 10 years | 10 years | 10 years |  |  |

X
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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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