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Note 11 - Impairment Loss on Trade Receivables (Tables)

12 Months Ended

Dec. 31, 2018

Statement Line Items [Line Items]

Disclosure of components of other operating expense [text block]

		2018				2017				2016
Impairment - 2017 royalty rebate			—				181				—

X

- Definition

Tabular disclosure of the components of other operating expenses.

+ References

No definition available.

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Namespace Prefix:	cmcl_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration