Commitments and contingencies - Additional Information (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2017
CAD ($)
Plant
shares
| |
| Plants claim [member] | |
| Disclosure of contingent liabilities [line items] | |
| Claims related to contingencies | $ 12,000 |
| Number of Cannabis plants death | Plant | 12 |
| Claim related to death of per plant | $ 1,000 |
| Medcann Access Acquisition Claim [member] | |
| Disclosure of contingent liabilities [line items] | |
| Claims related to contingencies | 15,000 |
| Warrants Claim [member] | |
| Disclosure of contingent liabilities [line items] | |
| Claims related to contingencies | 250 |
| Former employees' unlawful termination claims [member] | |
| Disclosure of contingent liabilities [line items] | |
| Claims related to contingencies | $ 580 |
| Number of options claimed | shares | 30,000 |
| Former employees' unlawful termination claims [member] | Peace Naturals [member] | |
| Disclosure of contingent liabilities [line items] | |
| Claims related to contingencies | $ 12,682 |
| Percentage of equity interest claimed | 10.00% |