Share capital (Details 2) - Stock Option [Member] - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement [Line Items]
Stock-based compensation pertaining to general and administrative expenses	$ 91,408	$ 162,077	$ 1,486,374	$ 564,102
Stock-based compensation pertaining to research and development expenses	83,038	214,934	395,762	855,393
Total	$ 174,446	$ 377,011	$ 1,882,136	$ 1,419,495

The amount of expense relating to distribution costs and administrative expenses. [Refer: Administrative expenses; Distribution costs]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_DistributionAndAdministrativeExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration