CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total
Beginning balance (in shares) at Dec. 31, 2022	237,166,625
Beginning balance at Dec. 31, 2022	$ 2,372	$ 1,259,527	$ (1,040)	$ (655,382)	$ 605,477
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Non-cash stock-based compensation		4,677			4,677
Stock-based awards and related share issuances, net ( in shares)	94,539
Stock-based awards and related share issuances, net	$ 1	(1)			0
Other comprehensive income (loss)			925		925
Net loss				(17,618)	(17,618)
Ending balance (in shares) at Mar. 31, 2023	237,261,164
Ending balance at Mar. 31, 2023	$ 2,373	1,264,203	$ (115)	(673,000)	$ 593,461
Beginning balance (in shares) at Dec. 31, 2023	240,499,833				240,499,833
Beginning balance at Dec. 31, 2023	$ 2,405	1,276,581		(721,597)	$ 557,389
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Non-cash stock-based compensation		4,233			4,233
Stock-based awards and related share issuances, net ( in shares)	1,204,232
Stock-based awards and related share issuances, net	$ 12	583			595
Repurchase of common stock	$ (21)	(1,376)			$ (1,397)
Repurchase of common stock (in shares)	(2,127,661)				(2,100,000)
Net loss				(18,875)	$ (18,875)
Ending balance (in shares) at Mar. 31, 2024	239,576,404				239,576,404
Ending balance at Mar. 31, 2024	$ 2,396	$ 1,280,021		$ (740,472)	$ 541,945