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Note 20 - Inventories (Details Textual) $ in Thousands | Dec. 31, 2023 USD ($) oz | Dec. 31, 2022 USD ($) oz
--- | --- | ---
Statement Line Items [Line Items] |  |
Provision for obsolete stock | $ | $ 1,793 | $ 1,510
Gold, work in progress (Ounce) | oz | 3,057 | 1,123

X
- Definition Represents the gold currently classified as a work in progress. + References No definition available. + Details
Name: | cmcl_GoldWorkInProgress
Namespace Prefix: | cmcl_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition The provision for obsolete stock. + References No definition available. + Details
Name: | cmcl_ProvisionForObsoleteStock
Namespace Prefix: | cmcl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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