Earnings (Loss) per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic and Diluted Loss per Share
Net loss for the period	$ (11,514)	$ (11,074)	$ (11,819)	$ (10,652)	$ (11,754)	$ (13,981)	$ (34,407)	$ (36,387)
Weighted average number of shares outstanding, Basic	2,732,749			2,021,070			2,539,408	1,570,389
Weighted average number of shares outstanding, Diluted	2,732,749			2,021,070			2,539,408	1,570,389
Basic loss ($ per share)	$ (4.21)			$ (5.27)			$ (13.55)	$ (23.17)
Diluted loss ($ per share)	$ (4.21)			$ (5.27)			$ (13.55)	$ (23.17)