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Related party transactions (Narrative) (Details) |  | 12 Months Ended
--- | --- | ---
Nov. 04, 2019 CAD ($) $ / shares shares | Dec. 31, 2019 CAD ($) Share | Dec. 31, 2018 CAD ($)
Disclosure of transactions between related parties [line items] |  |  |
Key management personnel compensation |  | $ 17,312,577 | $ 5,029,516
Amount of bonus |  | 4,836,192 | 1,814,115
Consulting fees expenses |  | 2,288,129 | 2,037,049
Directors' remuneration expense |  | 203,521 | 66,667
Director's remuneration payable |  | 98,521 |
Share-based payments expense |  | 12,476,385 | $ 3,215,401
Class B shares |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Number of shares issued in private placement | shares | 228,670 |  |
Share issue price per share | $ / shares | $ 20.10 |  |
Value of shares issued in private placement | $ 4,598,618 |  |
Former President and CEO |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Key management personnel compensation |  | 96,250 |
Former CEO |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Other allowances |  | 4,500 |
Chief Executive Officer |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Payment of expenses |  | 754,311 |
Trade and other payables |  | 95,708 |
Chief Executive Officer | Class B shares |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Amount of bonus |  | $ 1,428,591 |
Number of share issued for share-based bonus expense | Share |  | 200,927 |
President |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Share-based payments expense |  | $ 132,178 |
President of FSD | Class B shares |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Amount of bonus |  | $ 109,892 |
Number of share issued for share-based bonus expense | Share |  | 15,456 |
Chief Financial Officer |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Management fees |  | $ 196,870 |
Chief Operating Consultant |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Consulting fees expenses |  | 90,000 |
Former Chief Operating Officer |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Consulting fees expenses |  | 16,667 |
Independent directors |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Directors' remuneration expense |  | 40,000 |
Additional remuneration as Chairman |  | 10,000 |
Officers and Directors | Class B shares |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Number of shares subscribed | shares | 164,755 |  |
FV Pharma Inc | Former President and CEO |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Key management personnel compensation, retirement benefits |  | 770,000 |
Key management personnel compensation |  | 54,958 |
FV Pharma Inc | President | Class B shares |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Amount of bonus |  | $ 54,946 |
Number of share issued for share-based bonus expense | Share |  | 7,728 |
FSD Biosciences | President |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Consulting fees expenses |  | $ 330,436 |
FSD Biosciences | President | Class B shares |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Amount of bonus |  | $ 109,892 |
Number of share issued for share-based bonus expense | Share |  | 15,456 |

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