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Note 37 - Group Entities (Details Textual) |  | 12 Months Ended
--- | --- | ---
Feb. 20, 2012 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement Line Items [Line Items] |  |  |  |
Proportion of ownership interests held by non-controlling interests | 51.00% | 36.00% |  |
Blanket Mine (1983) (Private) Limited [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Proportion of ownership interests held by non-controlling interests |  | 13.20% | 16.20% | 16.20%

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- Definition The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph 12 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_12_c&doctype=Standard -URIDate 2020-01-01 + Details
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