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Note 20 - Inventories (Tables) | 12 Months Ended
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Dec. 31, 2021
Statement Line Items [Line Items] |
Disclosure of components of inventories [text block] |
|  | 2021 |  |  | 2020 |
Consumable stores |  |  | 21,516 |  |  |  | 16,543 |
Gold in progress |  |  | 243 |  |  |  | 1,166 |
Provision for obsolete stock |  |  | (947 | ) |  |  | (911 | )
|  |  | 20,812 |  |  |  | 16,798 |

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- Definition Tabular disclosure for inventories. + References No definition available. + Details
Name: | cmcl_DisclosureOfComponentsOfInventoriesTextBlock
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