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Share-based compensation - Schedule of share-based compensation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expenses	$ 7,443,930	$ 8,052,011	$ 12,082,930
Stock options
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expenses	3,594,005	2,825,863	10,780,853
Warrants
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expenses	98,513	0	0
Class B Common Shares issued for services
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expenses	174,537	0	0
Class B Common Shares issued for compensation
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expenses	$ 3,576,875	$ 5,226,148	$ 1,302,077

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2021-01-01
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-URIDate 2021-03-24

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