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SHARE CAPITAL (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Share Capital Details Abstract |  |
Beginning balance, shares | 589,175,086 | 559,183,209
Share issue proceeds, shares | 6,934,500 | 4,950,495
Share option exercises, shares | 663,150 | 0
Share unit exercises-fair value adjustment, shares | 433,333 | 0
Share cancellations, shares | (46,178) | 0
Acquisition-Wheeler River additional interest (note 12), shares | 0 | 24,615,000
Acquisition-Wheeler River additional interest-transaction costs (note 12), shares | 0 | 426,382
Acquisition-Murphy Lake additional interest (note 12), shares | 32,262 | 0
Ending balance, shares | 597,192,153 | 589,175,086
Beginning balance | $ 1,331,214 | $ 1,310,473
Share issue proceeds | 4,715 | 5,000
Share issue costs | (423) | (451)
Share option exercises | 405 | 0
Share unit exercises-fair value adjustment | 299 | 0
Acquisition-Wheeler River additional interest (note 12) | 0 | 17,231
Acquisition-Wheeler River additional interest-transaction costs (note 12) | 0 | 298
Share option exercises-fair value adjustment | 140 | 0
Flow-through share premium liability | (902) | (1,337)
Acquisition-Murphy Lake additional interest (note 12) | 19 | 0
Ending balance | $ 1,335,467 | $ 1,331,214

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