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SHARE CAPITAL (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Share Capital Details Abstract |  |
Beginning balance, shares | 559,183,209 | 540,722,365
Share issue proceeds, shares | 4,950,495 | 18,337,000
Share option exercises, shares |  | 128,873
Share cancellations, shares |  | (5,029)
Acquisition-Wheeler River additional interest (note 13) | 24,615,000 |
Acquisition-Wheeler River additional interest-transaction costs (note 13) | 426,382 |
Ending balance, shares | 589,175,086 | 559,183,209
Beginning balance | $ 1,310,473 | $ 1,295,235
Share issue proceeds | 5,000 | 20,000
Share issue costs | (451) | (1,129)
Share option exercises | 0 | 90
Acquisition-Wheeler River additional interest (note 13) | 17,231 |
Acquisition-Wheeler River additional interest-transaction costs (note 13) | 298 |
Share option exercises-fair value adjustment |  | 112
Flow-through share premium liability | (1,337) | (3,835)
Ending balance | $ 1,331,214 | $ 1,310,473

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