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Share capital (Narrative) (Details) - CAD ($) |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 04, 2019 | Oct. 04, 2019 | May 07, 2019 | Oct. 16, 2019 | Sep. 20, 2019 | Apr. 24, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Loss on change in fair value of derivative liability |  |  |  |  |  |  | $ 3,568,305 |
Proceeds from issuance of shares |  |  |  |  |  |  | 4,593,777 | $ 44,987,422
Share issue costs |  |  |  |  |  |  | $ 32,705 | $ 3,768,381
Solarvest BioEnergy Inc. |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Share price per share |  |  |  |  |  |  | $ 0.145 |
Loss on change in fair value of derivative liability |  |  |  |  |  |  | $ 2,146,269 |
Share Exchange Agreement | Pharmadrug Inc. |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Number of shares acquired |  |  |  |  |  | 13,562,386 |  |
Share price per share |  |  |  |  |  | $ 0.2212 |  |
Class A shares |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Description of voting rights |  |  |  |  |  |  | The holders of Class A shares are entitled to 276,660 votes per class A share held. |
Class B shares |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Number of shares issued for debt settlement |  | 3,735 |  |  |  |  |  |
Value of shares issued for debt settlement |  | $ 25,000 |  |  |  |  |  |
Description of reverse share split |  |  |  | October 16, 2019, the Company completed a reverse share split of 201 to 1 Class B Shares. |  |  |  |
Number of shares issued in private placement | 228,670 |  |  |  |  |  |  |
Share issue price per share | $ 20.10 |  |  |  |  |  |  |
Proceeds from issuance of shares | $ 4,593,777 |  |  |  |  |  |  |
Share issue costs | $ 32,705 |  |  |  |  |  |  |
Recognition of loss on change in fair value of derivative liability |  |  |  |  |  |  |  |
Issued on acquisition of net assets of Prismic Pharmaceuticals, Inc (shares) |  |  |  |  |  |  | 510,940 |
Class B shares | Share Exchange Agreement | Pharmadrug Inc. |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Number of shares issued in share exchange |  |  |  |  | 61,892 | 65,577 |  |
Value of shares issued in share exchange |  |  |  |  |  | $ 3,000,000 |  |
Share issue price per share |  |  |  |  |  | $ 45.75 |  |
Loss on change in fair value of derivative liability |  |  |  |  | $ 1,422,036 |  |  |
Class B shares | Share Exchange Agreement | Solarvest BioEnergy Inc. |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |
Number of shares issued in share exchange |  |  | 49,751 |  |  |  |  |

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