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INVESTMENTS - Disclosure of detailed information about investments (Details) - CAD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure Of Investments [Line Items] |  |
Financial assets at fair value through profit or loss, Cost | $ 6,190 | $ 2,594
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain | (696) | (1,058)
Financial assets at fair value through profit or loss, Fair value | 5,494 | 1,536
Financial assets at fair value through other comprehensive income, Cost | 5,490 | 910
Financial assets at fair value through other comprehensive income, Accumulated unrealised gain (loss) | (877) | (877)
Financial assets at fair value through other comprehensive income, Fair value | 4,613 | 33
Investments, Cost | 11,680 | 3,504
Investments, Accumulated unrealised gain (loss) | (1,573) | (1,935)
Investments, Fair value | 10,107 | 1,569
Marketable Securities [Member] |  |
Disclosure Of Investments [Line Items] |  |
Financial assets at fair value through profit or loss, Cost | 3,915 | 1,683
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain | (767) | (1,058)
Financial assets at fair value through profit or loss, Fair value | 3,148 | 625
Financial assets at fair value through other comprehensive income, Cost | 910 | 910
Financial assets at fair value through other comprehensive income, Accumulated unrealised gain (loss) | (877) | (877)
Financial assets at fair value through other comprehensive income, Fair value | 33 | 33
Warrants [Member] |  |
Disclosure Of Investments [Line Items] |  |
Financial assets at fair value through profit or loss, Cost | 314 |
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain | 515 |
Financial assets at fair value through profit or loss, Fair value | 829 |
Private Company Investments [Member] |  |
Disclosure Of Investments [Line Items] |  |
Financial assets at fair value through profit or loss, Cost | 1,961 | 911
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain | (444) | 0
Financial assets at fair value through profit or loss, Fair value | 1,517 | $ 911
Financial assets at fair value through other comprehensive income, Cost | 4,580 |
Financial assets at fair value through other comprehensive income, Accumulated unrealised gain (loss) | 0 |
Financial assets at fair value through other comprehensive income, Fair value | $ 4,580 |

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