Condensed Consolidated Statements of Shareholders' (Deficit) Equity - USD ($) $ in Thousands		Total	Common Shares	Additional Paid in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
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
Increase (Decrease) in Stockholders' Equity
Issuance of common shares		3,000	$ 1	2,999
Issuance of common shares (in shares)			715,991
Share-based compensation expense		996		996
Unrealized loss on foreign currency translation		2,983			2,983
Net loss		(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, 2022		$ (68,763)	$ 109	445,478	14,854	(529,204)
Stockholders' equity, beginning of period (in shares) at Dec. 31, 2022		109,461,562	109,461,562
Increase (Decrease) in Stockholders' Equity
Issuance of common shares	[1]	$ 100	$ 1	99
Issuance of common shares (in shares)	[1]		309,951
Share-based compensation expense		1,641		1,641
Unrealized loss on foreign currency translation		(2,793)			(2,793)
Net loss		(30,998)				(30,998)
Stockholders' equity, end of period at Mar. 31, 2023		$ (100,813)	$ 110	$ 447,218	$ 12,061	$ (560,202)
Stockholders' equity, ending of period (in shares) at Mar. 31, 2023		109,771,513	109,771,513

[1] See Note 3 for additional information on the shares issued during the three months ended March 31, 2023.