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INVESTMENTS | 3 Months Ended
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Mar. 31, 2019
INVESTMENTS |
INVESTMENTS | NOTE 2 INVESTMENTS The following is a summary of the balances of investments for the three months ended March 31, 2019 and 2018:
|  |  |  | Additions |  | Net gains |  | Disposals |  | Unrealized |  | Fair value
|  | Opening |  | during |  | (loss) on |  | during |  | gain (loss) on |  | end of the
As of March 31, 2019 |  | balance |  | period |  | securities sold |  | period |  | securities held |  | period
Marketable equity securities |  | $ | 2,718 |  | $ | 264 |  | $ | — |  | $ | — |  | $ | 605 |  | $ | 3,587
Warrants |  |  | 413 |  |  | — |  |  | — |  |  | — |  |  | 222 |  |  | 635
Investments |  | $ | 3,131 |  | $ | 264 |  | $ | — |  | $ | — |  | $ | 827 |  | $ | 4,222
|  |  |  | Additions |  | Net gains |  | Disposals |  | Unrealized |  | Fair value
|  | Opening |  | during |  | (loss) on |  | during |  | gain (loss) on |  | end of the
As of March 31, 2018 |  | balance |  | period |  | securities sold |  | period |  | securities held |  | period
Marketable equity securities |  | $ | 6,404 |  | $ | — |  | $ | (734) |  | $ | (2,663) |  | $ | (1,137) |  | $ | 1,870
Warrants |  |  | 1,567 |  |  | — |  |  | — |  |  | — |  |  | (864) |  |  | 703
Investments |  | $ | 7,971 |  | $ | — |  | $ | (734) |  | $ | (2,663) |  | $ | (2,001) |  | $ | 2,573
As of March 31, 2019, the cost of the marketable equity securities and warrants was approximately $3.1 million (December 31, 2018 – $2.9 million).

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- Definition The entire disclosure for cash, cash equivalents, investments in debt and equity instruments (including cost and equity investees and related income statement amounts), equity and cost method investments, investments in joint ventures and any other investment. + References No definition available. + Details
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