XML 110 R93.htm IDEA: XBRL DOCUMENT v3.8.0.1

Note 18 - Cash and Cash Equivalents (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 23, 2017	Jun. 22, 2017	Dec. 31, 2016	Oct. 19, 2016
Statement Line Items [Line Items]
Bank overdrafts	$ 311
Borrowings, interest rate		7.25%			7.25%
Borrowings, adjustment to interest rate basis			10.00%
Unsecured bank overdraft facility [member]
Statement Line Items [Line Items]
Maximum borrowing capacity	4,000
Bank overdrafts	$ 311			$ 0
Borrowings, interest rate	6.50%
Borrowings, adjustment to interest rate basis	4.65%

X

- Definition

Maximum amount that can be borrowed on the facility.

+ References

No definition available.

+ Details

Name:	cmcl_MaximumBorrowingCapacity
Namespace Prefix:	cmcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

- Definition

The amount that has been withdrawn from an account in excess of existing cash balances. This is considered a short-term extension of credit by the bank. [Refer: Cash and cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2017-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_45&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_BankOverdraftsClassifiedAsCashEquivalents
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_7&doctype=Standard
-URIDate 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_7&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=cmcl_UnsecuredBankOverdraftFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: