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INCOME TAXES - Significant components of deferred income tax assets and liabilities (Details) - CAD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Significant components of the Company's deferred income tax assets and liabilities |  |
Deferred tax | $ 3,428 | $ 2,678
Valuation allowance | (3,428) | (2,678)
Exploration and evaluation assets |  |
Significant components of the Company's deferred income tax assets and liabilities |  |
Deferred tax | 18 | 14
Loss carry-forwards |  |
Significant components of the Company's deferred income tax assets and liabilities |  |
Deferred tax | 3,048 | 2,366
Share issuance costs |  |
Significant components of the Company's deferred income tax assets and liabilities |  |
Deferred tax | 237 | 175
Cumulative eligible capital |  |
Significant components of the Company's deferred income tax assets and liabilities |  |
Deferred tax | 32 | 32
Equipment |  |
Significant components of the Company's deferred income tax assets and liabilities |  |
Deferred tax | $ 93 | $ 91

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