CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	Total	Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2020		115,136	5,678
Beginning balance at Dec. 31, 2020	$ 74,466	$ 13	$ 1	$ 682,671	$ (608,219)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock, net of costs (in shares)			566
Issuance of stock, net of costs	2,024			2,024
Stock-based compensation	2,997			2,997
Net loss	(52,162)				(52,162)
Other comprehensive loss, net of taxes	0
Ending balance (in shares) at Mar. 31, 2021		115,136	6,244
Ending balance at Mar. 31, 2021	27,325	$ 13	$ 1	687,692	(660,381)	0
Beginning balance (in shares) at Dec. 31, 2021		0	221,960
Beginning balance at Dec. 31, 2021	720,152	$ 0	$ 22	1,578,943	(858,225)	(588)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock, net of costs (in shares)			743
Issuance of stock, net of costs	1,833			1,833
Stock-based compensation	4,642			4,642
Net loss	(50,078)				(50,078)
Other comprehensive loss, net of taxes	(1,641)					(1,641)
Ending balance (in shares) at Mar. 31, 2022		0	222,703
Ending balance at Mar. 31, 2022	$ 674,908	$ 0	$ 22	$ 1,585,418	$ (908,303)	$ (2,229)