Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,266)	$ (10,368)	$ (21,784)	$ (46,087)
Other comprehensive gain/(loss):
Unrealized gain/(loss) on available-for-sale securities	2	(2)	3	(2)
Comprehensive loss	$ (3,264)	$ (10,370)	$ (21,781)	$ (46,089)