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Note 10 - Other Income (Details Textual) $ in Thousands, R in Millions | 1 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2018 ZAR (R) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Statement Line Items [Line Items] |  |  |  |  |  |
Government grants, export incentive on gold | 2.50% | 10.00% |  |  | 3.50% |
Income from sale of rock dump |  |  |  | $ 217 |  |
Income from pension benefits fund surplus pay-out |  |  | R 4.8 | 363 |  |
Eersteling rock dump, one [member] | SH Minerals [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Income from sale of rock dump |  |  | 1.0 | 79 |  |
Eersteling rock dump, two [member] | SH Minerals [member] |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |
Income from sale of rock dump |  |  | R 2.0 | $ 138 |  |

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- Definition Export incentive on gold proceeds received from government grants. + References No definition available. + Details
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- Definition The amount of income from a pension benefits fund due to the surplus pay-out. + References No definition available. + Details
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- Definition The amount of income from sale of rock dump. + References No definition available. + Details
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- References No definition available. + Details
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- Details
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- Details
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- Details
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