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Interest expense net (Tables) | 12 Months Ended
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Dec. 31, 2019
Interest Expense [Abstract] |
Schedule of interest expense |
Year ended December 31, | 2019 |  |  | 2018 |
Credit facilities | $ | 9,826 |  |  | $ | 2,729 |
Convertible debentures | 4,318 |  |  | 2,200 |
Mortgages | 963 |  |  | 105 |
Promissory notes | 1,691 |  |  | 202 |
Financing obligations | 272 |  |  | — |
Finance lease obligations | 3,691 |  |  | 2,984 |
Amortization of deferred financing costs | 969 |  |  | 539 |
Interest expense | $ | 21,730 |  |  | $ | 8,759 |
Interest income | (107 | ) |  | (175 | )
| $ | 21,623 |  |  | $ | 8,584 |

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