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INVESTMENT IN ASSOCIATE (Details 3) $ in Thousands, $ in Thousands | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2019 CAD ($) | Dec. 31, 2019 CAD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 CAD ($) | Sep. 30, 2019 CAD ($) | Dec. 31, 2018 CAD ($) | Dec. 31, 2017 CAD ($)
DisclosureOfInvestmentsInAssociatesLineItems [Line Items] |  |  |  |  |  |  |  |
Balance-beginning of period |  | $ 222,247 | $ 222,247 |  | $ 229,761 |  |  |
Share issue proceeds |  |  | 4,292 |  | 4,549 |  |  |
Net loss |  |  | (18,141) |  | (30,077) |  |  |
Balance-end of period |  |  | 210,149 |  | $ 222,247 |  |  |
Investment in GoviEx |  |  | 0 |  |  |  | $ 5,582 | $ 5,305
GoviEx |  |  |  |  |  |  |  |
DisclosureOfInvestmentsInAssociatesLineItems [Line Items] |  |  |  |  |  |  |  |
Balance-beginning of period | $ 28,917 |  |  | $ 23,604 |  |  |  |
Share issue proceeds | 2,474 |  |  | 6,654 |  |  |  |
Contributed surplus change | 86 |  |  | 74 |  |  |  |
Share-based payment reserve change | 480 |  |  | 477 |  |  |  |
Net loss | (3,202) |  |  | (1,892) |  |  |  |
Balance-end of period | $ 28,755 |  |  | $ 28,917 |  |  |  |
Denison ownership interest | 15.39% | 15.39% |  | 16.21% | 16.21% |  |  |
Denison share of net assets of GoviEx | $ 4,425 |  |  | $ 4,687 |  |  |  |
Other adjustments | (343) |  |  | (283) |  |  |  |
Investment in GoviEx - USD | $ 4,082 |  |  | $ 4,404 |  |  |  |
At historical exchange rate | 1.2631 | 1.2631 |  | 1.2675 | 1.2675 |  |  |
Investment in GoviEx |  |  | $ 0 |  |  | $ 5,156 | $ 5,582 | $ 5,305

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