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Nature of business (Narrative) (Details) - CAD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 16, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of nature of business [Line Items] |  |  |
Accumulated deficit |  | $ (78,518,005) | $ (26,504,819)
Net loss |  | (52,013,186) | $ (22,710,624)
Working capital surplus |  | $ 2,300,000 |
Class B shares |  |  |
Disclosure of nature of business [Line Items] |  |  |
Description of reverse share split | October 16, 2019, the Company completed a reverse share split of 201 to 1 Class B Shares. |  |

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