Condensed Consolidated Statements of Shareholders' (Deficit) Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Shares	Additional Paid in Capital	Other Comprehensive Income (Loss)	Accumulated Deficit
Stockholders' equity, beginning of period at Dec. 31, 2020	$ (46,596)	$ 36	$ 105,835	$ (294)	$ (152,173)
Stockholders' equity, beginning of period (in shares) at Dec. 31, 2020		36,463,696
Increase (Decrease) in Stockholders' Equity
Debt discount related to beneficial conversion feature of convertible loan notes	19,645		19,645
Unrealized gain (loss) on foreign currency translation	(571)			(571)
Net (loss) income	(102,357)				(102,357)
Stockholders' equity, end of period at Mar. 31, 2021	(129,879)	$ 36	125,480	(865)	(254,530)
Stockholders' equity, ending of period (in shares) at Mar. 31, 2021		36,463,696
Stockholders' equity, beginning of period at Dec. 31, 2020	(46,596)	$ 36	105,835	(294)	(152,173)
Stockholders' equity, beginning of period (in shares) at Dec. 31, 2020		36,463,696
Increase (Decrease) in Stockholders' Equity
Unrealized gain (loss) on foreign currency translation	(316)
Net (loss) income	(102,103)
Stockholders' equity, end of period at Jun. 30, 2021	(117,726)	$ 36	137,124	(610)	(254,276)
Stockholders' equity, ending of period (in shares) at Jun. 30, 2021		36,463,696
Stockholders' equity, beginning of period at Mar. 31, 2021	(129,879)	$ 36	125,480	(865)	(254,530)
Stockholders' equity, beginning of period (in shares) at Mar. 31, 2021		36,463,696
Increase (Decrease) in Stockholders' Equity
Debt discount related to beneficial conversion feature of convertible loan notes	11,644		11,644
Unrealized gain (loss) on foreign currency translation	255			255
Net (loss) income	254				254
Stockholders' equity, end of period at Jun. 30, 2021	(117,726)	$ 36	137,124	(610)	(254,276)
Stockholders' equity, ending of period (in shares) at Jun. 30, 2021		36,463,696
Stockholders' equity, beginning of period at Dec. 31, 2021	$ 47,694	$ 94	415,304	2,247	(369,951)
Stockholders' equity, beginning of period (in shares) at Dec. 31, 2021	93,950,205	93,950,205
Increase (Decrease) in Stockholders' Equity
Issuance of common shares pursuant to CFPI Stock Purchase Agreement	$ 3,000	$ 1	2,999
Issuance of common shares (in shares)		715,991
Share-based compensation expense	996		996
Unrealized gain (loss) on foreign currency translation	2,983			2,983
Net (loss) income	(40,342)				(40,342)
Stockholders' equity, end of period at Mar. 31, 2022	14,331	$ 95	419,299	5,230	(410,293)
Stockholders' equity, ending of period (in shares) at Mar. 31, 2022		94,666,196
Stockholders' equity, beginning of period at Dec. 31, 2021	$ 47,694	$ 94	415,304	2,247	(369,951)
Stockholders' equity, beginning of period (in shares) at Dec. 31, 2021	93,950,205	93,950,205
Increase (Decrease) in Stockholders' Equity
Unrealized gain (loss) on foreign currency translation	$ 12,809
Net (loss) income	(95,735)
Stockholders' equity, end of period at Jun. 30, 2022	$ (26,263)	$ 97	424,270	15,056	(465,686)
Stockholders' equity, ending of period (in shares) at Jun. 30, 2022	96,325,512	96,325,512
Stockholders' equity, beginning of period at Mar. 31, 2022	$ 14,331	$ 95	419,299	5,230	(410,293)
Stockholders' equity, beginning of period (in shares) at Mar. 31, 2022		94,666,196
Increase (Decrease) in Stockholders' Equity
Issuance of common shares pursuant to CFPI Stock Purchase Agreement	3,278	$ 2	3,276
Issuance of common shares (in shares)		1,659,316
Share-based compensation expense	1,695		1,695
Unrealized gain (loss) on foreign currency translation	9,826			9,826
Net (loss) income	(55,393)				(55,393)
Stockholders' equity, end of period at Jun. 30, 2022	$ (26,263)	$ 97	$ 424,270	$ 15,056	$ (465,686)
Stockholders' equity, ending of period (in shares) at Jun. 30, 2022	96,325,512	96,325,512