| As at December 31 | 2017 | 2016 | ||||||
| Deferred tax assets | ||||||||
| Non-capital loss carryforwards | $ | 326,108 | $ | 701,000 | ||||
| Total deferred tax assets | $ | 326,108 | $ | 701,000 | ||||
| Deferred tax assets/(liabilities) | ||||||||
| Non-capital loss carryforwards | $ | - | $ | 1,101,000 | ||||
| Research and development credits | - | 922,000 | ||||||
| Intangible assets | - | (38,720,000 | ) | |||||
| Other | - | (1,446,000 | ) | |||||
| Total deferred tax liabilities | $ | - | $ | (38,143,000 | ) | |||