Share capital (Details 2) - Equity Option [Member] - USD ($)	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Statement [Line Items]
Stock-based compensation pertaining to general and administrative expenses	$ 37,096	$ 31,133
Stock-based compensation pertaining to research and development expenses	32,369	63,503
Total	$ 69,465	$ 94,636

The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 51
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_a&doctype=Standard
-URIDate 2021-03-24

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