XML 127 R114.htm IDEA: XBRL DOCUMENT v3.20.1

Note 23 - Share Capital (Details Textual) $ / shares in Thousands	Jun. 26, 2017	Dec. 31, 2019 $ / shares
Statement Line Items [Line Items]
Share consolidation ratio	5
Ordinary shares [member]
Statement Line Items [Line Items]
Par value per share		$ 0
Preference shares [member]
Statement Line Items [Line Items]
Par value per share		$ 0

X

- Definition

Number of shares consolidated per one share during the period.

+ References

No definition available.

+ Details

Name:	cmcl_ShareConsolidationRatio
Namespace Prefix:	cmcl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	cmcl_StatementLineItems
Namespace Prefix:	cmcl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The nominal value per share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 79
-Subparagraph a
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_ParValuePerShare
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_PreferenceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: