XML 157 R138.htm IDEA: XBRL DOCUMENT
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Note 38 - Subsequent events (Details Textual) R in Millions |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 11, 2019 USD ($) shares | Jan. 10, 2019 USD ($) | Nov. 05, 2018 shares | May 31, 2018 USD ($) | Feb. 28, 2019 ZAR (R) | Feb. 28, 2019 USD ($) | May 31, 2018 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings |  |  |  |  |  |  |  | $ 5,960,000 |  | $ 1,486,000 |  |  |  | $ 2,987,000 |
Blanket Mine (1983) (Private) Limited [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 64.00% |  |  |  |  | 49.00% | [1],[2] | 49.00% | [1],[2] |  |  |  |
Femiro [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest acquired |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments or interests issued or issuable for cancellation of loan | shares |  |  | 727,266 |  |  |  |  |  |  |  |  |  |  |  |
Shares issued or issuable, price per share |  |  | 7.15 |  |  |  |  |  |  |  |  |  |  |  |
Femiro [Member] | Facilitation loan [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings |  |  |  |  |  |  |  |  |  |  |  | $ 11,468,000 | $ 11,467,000 |  |
SH Minerals [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share sale agreement, amendment, purchase price |  |  |  | $ 3,000,000 |  |  | $ 3,000,000 |  |  |  |  |  |  |  |
Share sale agreement, amendment, amount of each payment |  |  |  | $ 1,000,000 |  |  | $ 1,000,000 |  |  |  |  |  |  |  |
RSU and PSU settlement and new grants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued to settled share-based payments arrangement | shares | 93,664 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to settled share-based payments arrangement | $ 885,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gold hedge [member] | Derivative contract for 4,500 ounces of Gold [member] | Commodity price risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative contract, number of ounces of gold hedged |  | 4,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Hedging instruments, protected, price |  | $ 1,250 |  |  |  |  |  |  |  |  |  |  |  |  |
Sales agreement with Eersteling Gold Mining Company Limited [member] | SH Minerals [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share sale agreement, amendment, amount of payment, received |  |  |  |  | R 13 | $ 1,000,000 |  |  |  |  |  |  |  |  |
Performance share units (PSUs) [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period of other equity instruments |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |
Performance share units (PSUs) [member] | RSU and PSU settlement and new grants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments exercised or vested in share-based payment arrangement | 224,667 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement | 95,740 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period of other equity instruments | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units (RSUs) [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period of other equity instruments |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |
Restricted stock units (RSUs) [member] | RSU and PSU settlement and new grants [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other equity instruments exercised or vested in share-based payment arrangement | 69,307 |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Blanket has no subsidiary companies
[2] | Refer to Note 6, for the effective shareholding. NCI has a 16.2% interest in cash flows of Blanket only.

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