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Note 10 - Other Income - Components of Other Income (Details) $ in Thousands, R in Millions | 12 Months Ended
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Dec. 31, 2019 ZAR (R) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Statement Line Items [Line Items] |  |  |  |  |  |
Other |  | $ 94 | $ 39 |  | $ 148 |
Greenstone Fund pay-out | R 3.6 | 250 |  |  |  |
Eersteling rock dump sale |  |  | 217 |  |  |
|  | 2,274 | 7,101 | [1] | 2,594 | [1]
Greenstone retirement fund [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Greenstone Fund pay-out |  | 250 |  |  |  |
Greenstone provident fund [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Greenstone Fund pay-out |  |  | 363 |  |  |
Gold sale export incentive [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Government grant |  | 866 | 6,482 |  | 2,446 |
Gold support price [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Government grant |  | $ 1,064 |  |  |  |
[1] | The Group initially applied IFRS 16 on January 1, 2019, using the modified retrospective approach. Under this approach, comparative information is not restated. There was no cumulative effect of initially applying IFRS 16 to recognise in retained earnings at the date of initial application.

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- Definition The amount of miscellaneous other operating income. [Refer: Other operating income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of operating income that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2019-01-01 -Paragraph 35 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2019-en-r&anchor=para_35_b_iv&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_103&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_102&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of income recognised in relation to government grants. [Refer: Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2019-01-01 -Paragraph 39 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=20&code=ifrs-tx-2019-en-r&anchor=para_39_b&doctype=Standard -URIDate 2019-03-27 + Details
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