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v3.23.1

Note 21 - Prepayments (Tables) | 12 Months Ended
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Dec. 31, 2022
Statement Line Items [Line Items] |
Disclosure of detailed information about prepayments [text block] |
|  | 2022 |  |  | 2021 |
Caledonia Mining South Africa (Proprietary) Limited (“CMSA”) suppliers |  |  | 254 |  |  |  | 1,552 |
Blanket Mine third party suppliers |  |  | 1,494 |  |  |  | 1,766 |
Bilboes third party suppliers (note 5) |  |  | 802 |  |  |  | – |
Solar prepayments |  |  | 104 |  |  |  | 2,951 |
Bilboes pre-effective date costs (note 5) |  |  | 877 |  |  |  | – |
Other prepayments |  |  | 162 |  |  |  | 661 |
|  |  | 3,693 |  |  |  | 6,930 |

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- Definition Disclosure of detailed information about prepayments. + References No definition available. + Details
Name: | cmcl_DisclosureOfDetailedInformationAboutPrepaymentsTextBlock
Namespace Prefix: | cmcl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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