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INVESTMENTS (Details) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 21, 2016 USD ($) item | May 13, 2016 USD ($) item | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Fair value of Investments |  |  |  |  |  |  |
Opening balance |  |  |  |  | $ 1,032 | $ 1,409 | $ 1,409
Additions during the period |  |  |  |  | 2,518 | 1,114 | 448
Disposals during the period |  |  |  |  | (470) |  |
Other Comprehensive Income (Loss) (pre -tax) |  |  |  |  | 3,314 |  | (825)
Statement of Operations (Loss) Income |  |  |  |  | 662 |  |
Fair Value end of the period |  |  | $ 7,056 |  | 7,056 |  | 1,032
Sale of marketable securities |  |  |  |  | 500 |  |
Gain on available-for-sale securities |  |  |  |  | 100 |  |
Cost of purchase of marketable equity securities |  |  |  |  | 2,300 |  | 1,900
Other-than-temporary impairment on marketable equity securities |  |  |  |  | 882 |  |
Unrealized loss on available-for-sale securities |  |  |  | $ 500 |  | 1,100 |
Unrealized gain on available-for-sale securities |  |  | 300 |  | 1,800 |  |
Golden Predator Mining Corporation |  |  |  |  |  |  |
Fair value of Investments |  |  |  |  |  |  |
Number of units acquired | item | 1,500,000 | 3,125,000 |  |  |  |  |
Common shares per unit | item | 1 | 1 |  |  |  |  |
Warrants per unit | item | 0.50 | 1 |  |  |  |  |
Total cost of private placement transaction | $ 900 | $ 400 |  |  |  |  |
Common Stock | Golden Predator Mining Corporation |  |  |  |  |  |  |
Fair value of Investments |  |  |  |  |  |  |
Total cost of private placement transaction | 700 | 200 |  |  |  |  |
Warrants | Golden Predator Mining Corporation |  |  |  |  |  |  |
Fair value of Investments |  |  |  |  |  |  |
Total cost of private placement transaction | $ 200 | $ 200 |  |  |  |  |
Marketable equity securities |  |  |  |  |  |  |
Fair value of Investments |  |  |  |  |  |  |
Opening balance |  |  |  |  | 1,032 | $ 1,409 | 1,409
Additions during the period |  |  |  |  | 2,172 |  | 448
Disposals during the period |  |  |  |  | (470) |  |
Other Comprehensive Income (Loss) (pre -tax) |  |  |  |  | 3,314 |  | (825)
Statement of Operations (Loss) Income |  |  |  |  | (860) |  |
Fair Value end of the period |  |  | 5,188 |  | 5,188 |  | $ 1,032
Unrealized gain on available-for-sale securities |  |  | 200 |  | 1,500 |  |
Warrants |  |  |  |  |  |  |
Fair value of Investments |  |  |  |  |  |  |
Additions during the period |  |  |  |  | 346 |  |
Statement of Operations (Loss) Income |  |  |  |  | 1,522 |  |
Fair Value end of the period |  |  | $ 1,868 |  | $ 1,868 |  |

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