Loss per share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Summary of Weighted Average Number of Shares

	2021		2020		2019
Weighted average number of shares (thousands)		549,080		454,267		407,344

Summary of Loss per Share

Loss per share was calculated as follows:

	2021			2020			2019
Loss for the year, attributable to the shareholders of    the parent		(212,393	)		(60,361	)		(35,625	)
Weighted average number of shares (thousands)		549,080			454,267			407,344
Basic and diluted loss per share, US $		(0.39	)		(0.13	)		(0.09	)

Summary of Potential Dilutive Securities that were not Included in Diluted Loss per Share Calculations

Potential dilutive securities that were not included in the diluted loss per share calculations because they would be anti-dilutive were as follows:

	2021		2020		2019
Restricted stock units		1,701,007		—		—
Stock options		6,958,312		—		—
Warrants		—		39,857,319		40,307,328