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Note 13 - Finance Income and Finance Costs (Tables) | 12 Months Ended
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Dec. 31, 2017
Statement Line Items [Line Items] |
Disclosure of the components of finance income (cost) [text block] |
Finance income |  | 2017 |  |  | 2016 |  |  | 2015 |
Interest received – Bank |  |  | 38 |  |  |  | 16 |  |  |  | 1 |
Finance cost |  |  |  |  |  |  |  |  |  |  |  |
Interest paid – Term loan |  |  | 155 |  |  |  | 103 |  |  |  | - |
Interest paid – Capitalised to Property, plant and equipment (note 15) |  |  | (155 | ) |  |  | (103 | ) |  |  | - |
Interest paid - Bank |  |  | - |  |  |  | - |  |  |  | 49 |
Interest paid – South African Revenue Service |  |  | - |  |  |  | - |  |  |  | 344 |
Unwinding of rehabilitation provision |  |  | 25 |  |  |  | 25 |  |  |  | 43 |
Finance charges – Overdraft |  |  | 44 |  |  |  | 167 |  |  |  | 100 |
|  |  | 69 |  |  |  | 192 |  |  |  | 536 |

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