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v3.20.1

Short-term investments (Narrative) (Details) - CAD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Short Term Investments [Line Items] |  |
Short-term investment | $ 20,704 | $ 10,000
Secured senior loan [Member] |  |
Short Term Investments [Line Items] |  |
Short-term investment | $ 15,900 | $ 10,000
Interest rate, investment | 7.00% |
Notes receivable [Member] |  |
Short Term Investments [Line Items] |  |
Short-term investment | $ 4,800 |
Notes receivable [Member] | Minimum [Member] |  |
Short Term Investments [Line Items] |  |
Interest rate, investment | 10.50% |
Notes receivable [Member] | Maximum [Member] |  |
Short Term Investments [Line Items] |  |
Interest rate, investment | 12.00% |

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