Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenues	$ 40,000	$ 0
Operating expenses:
Research and development	79,406	44,505
Selling, general and administrative	33,907	29,772
Total operating expenses	113,313	74,277
Operating loss	(73,313)	(74,277)
Other income/(expense):
Research and development tax credit	15,630	8,267
Interest income	14	121
Interest expense	(340)	(35)
Fair value movement on warrants	2,246	(1,136)
Foreign exchange gain	176	2,060
Total other income, net	17,726	9,277
Loss before income taxes	(55,587)	(65,000)
Income tax income/(expense)	18	(146)
Net loss	(55,569)	(65,146)
Other comprehensive loss:
Foreign currency translation adjustments	0	(2,321)
Total comprehensive loss attributable to shareholders of the Company	$ (55,569)	$ (67,467)
Loss per share, basic and diluted (in dollars per share)	$ (0.12)	$ (0.25)