Business combination (Details 1) - CAD ($) $ in Thousands		12 Months Ended
Jun. 21, 2019	Dec. 31, 2020
Purchase consideration:
Fair value of 3,176,658 incremental common shares issued	$ 14,867
Fair value of replacement stock-based awards attributable to pre-acquisition service	682	$ 682
Purchase consideration	$ 15,549

The increase (decrease) in a pre-acquisition deferred tax asset of the acquirer as a result of a business combination that changes the probability of realising the asset by the acquirer. [Refer: Deferred tax assets; Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph j
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-URIDate 2020-01-01

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