XML 341 R109.htm IDEA: XBRL DOCUMENT v3.22.1

Note 16 - Finance Income and Finance Cost (Details Textual)	Apr. 30, 2021
Zimbabwe Electricity Supply Authority (“ZESA”) [member]
Statement Line Items [Line Items]
Foreign currency allocation, paid to counterparty, percentage	60.00%

X

- Definition

The percentage of proceeds to be paid to counterparty in foreign currency.

+ References

No definition available.

+ Details

Name:	cmcl_ForeignCurrencyAllocationPaidToCounterpartyPercentage
Namespace Prefix:	cmcl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_CounterpartiesAxis=cmcl_ZimbabweElectricitySupplyAuthorityZesaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: