Interim Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Shares	Additional paid-in capital	Accumulated Other Comprehensive Loss	Accumulated deficit
Beginning Balance at Dec. 31, 2020	$ 116,531	$ 180,639	$ 10,175	$ (17,018)	$ (57,265)
Beginning Balance (in shares) at Dec. 31, 2020		84,681,364
Stock-based compensation	796		796
Foreign currency translation adjustment	605			605
Net loss for the period	(12,499)				(12,499)
Ending Balance at Mar. 31, 2021	105,433	$ 180,639	10,971	(16,413)	(69,764)
Ending Balance (in shares) at Mar. 31, 2021		84,681,364
Beginning Balance at Dec. 31, 2020	116,531	$ 180,639	10,175	(17,018)	(57,265)
Beginning Balance (in shares) at Dec. 31, 2020		84,681,364
Foreign currency translation adjustment	1,321
Net loss for the period	(22,237)
Ending Balance at Jun. 30, 2021	97,102	$ 181,713	10,930	(15,697)	(79,844)
Ending Balance (in shares) at Jun. 30, 2021		85,311,575
Beginning Balance at Mar. 31, 2021	105,433	$ 180,639	10,971	(16,413)	(69,764)
Beginning Balance (in shares) at Mar. 31, 2021		84,681,364
Stock-based compensation	1,285		1,285
Issued on vesting of RSUs and share awards		$ 1,074	(1,074)
Issued on vesting of RSUs and share awards (in shares)		630,211
RSUs and Share Awards withheld to settle employee tax obligations	(594)		(252)		(342)
Foreign currency translation adjustment	716			716
Net loss for the period	(9,738)				(9,738)
Ending Balance at Jun. 30, 2021	97,102	$ 181,713	10,930	(15,697)	(79,844)
Ending Balance (in shares) at Jun. 30, 2021		85,311,575
Beginning Balance at Dec. 31, 2021	67,766	$ 181,782	13,200	(15,916)	(111,300)
Beginning Balance (in shares) at Dec. 31, 2021		85,345,433
Stock-based compensation	1,339		1,339
Issued on vesting of RSUs and share awards		$ 1,203	(1,203)
Issued on vesting of RSUs and share awards (in shares)		487,544
RSUs and Share Awards withheld to settle employee tax obligations	(198)		(189)		(9)
Foreign currency translation adjustment	433			433
Net loss for the period	(23,042)				(23,042)
Ending Balance at Mar. 31, 2022	46,298	$ 182,985	13,147	(15,483)	(134,351)
Ending Balance (in shares) at Mar. 31, 2022		85,832,977
Beginning Balance at Dec. 31, 2021	67,766	$ 181,782	13,200	(15,916)	(111,300)
Beginning Balance (in shares) at Dec. 31, 2021		85,345,433
Foreign currency translation adjustment	(161)
Net loss for the period	(42,330)
Ending Balance at Jun. 30, 2022	27,166	$ 186,253	10,629	(16,077)	(153,639)
Ending Balance (in shares) at Jun. 30, 2022		86,988,828
Beginning Balance at Mar. 31, 2022	46,298	$ 182,985	13,147	(15,483)	(134,351)
Beginning Balance (in shares) at Mar. 31, 2022		85,832,977
Stock-based compensation	1,286		1,286
Issued on vesting of RSUs and share awards		$ 3,268	(3,268)
Issued on vesting of RSUs and share awards (in shares)		1,155,851
RSUs and Share Awards withheld to settle employee tax obligations	(536)		(536)
Foreign currency translation adjustment	(594)			(594)
Net loss for the period	(19,288)				(19,288)
Ending Balance at Jun. 30, 2022	$ 27,166	$ 186,253	$ 10,629	$ (16,077)	$ (153,639)
Ending Balance (in shares) at Jun. 30, 2022		86,988,828