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Related party transactions (Details) - CAD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Director |  |  |
Related Party Transaction [Line Items] |  |  |
Sublease income |  | $ 235,000 |
Operating subleases included in cash from operations |  |  | $ 315,000
Corporate Joint Venture |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue |  | 597,000 | 677,000
Management fee revenue |  | 2,482,000 | 345,000
Accounts receivable |  | 1,202,000 | 3,074,000
Accounts payable and accrued liabilities |  | $ 251,000 | $ 13,000
Heavy equipment | Nuna Logistics Partnership |  |  |
Related Party Transaction [Line Items] |  |  |
Purchase of heavy equipment | $ 1,300 |  |

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