XML 290 R95.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Note 13 - Net Foreign Exchange Gain (Details Textual) |  |  |  |  |  |  | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 03, 2023 | Jul. 01, 2021 kg oz | Jan. 08, 2021 | May 26, 2020 | Nov. 12, 2018 | Oct. 01, 2018 | Dec. 31, 2021 | Jun. 30, 2021 kg oz | Mar. 25, 2024 | Jan. 01, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 20, 2019
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Closing foreign exchange rate |  |  |  |  |  |  | 108.67 |  |  |  | 6,104.72 | 684.33 | 2.5
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) | oz |  | 57,000 |  |  |  |  |  | 57,000 |  |  |  |  |
Foreign currency allocation, percentage | 75.00% | 72.74% | 60.00% | 70.00% | 55.00% | 30.00% | 72.74% |  |  |  |  |  |
Abnormally large changes in asset prices or foreign exchange rates [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Closing foreign exchange rate |  |  |  |  |  |  |  |  | 20,945 | 6,105 |  |  |

X
- Definition The baseline level of production per month. + References No definition available. + Details
Name: | cmcl_BaselineLevelOfProductionPerMonth
Namespace Prefix: | cmcl_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of incremental revenue to be allocated in foreign currency. + References No definition available. + Details
Name: | cmcl_ForeignCurrencyAllocationIncrementalRevenuePercentage
Namespace Prefix: | cmcl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of proceeds to be received in foreign currency. + References No definition available. + Details
Name: | cmcl_ForeignCurrencyAllocationPercentage
Namespace Prefix: | cmcl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The production per annum. + References No definition available. + Details
Name: | cmcl_ProductionPerAnnum
Namespace Prefix: | cmcl_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | cmcl_Statement1LineItems
Namespace Prefix: | cmcl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ClosingForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_AbnormallyLargeChangesInAssetPricesOrForeignExchangeRatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |