UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ DEFICIT - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023		20,736,612
Beginning balance at Dec. 31, 2023	$ 12,656	$ 21	$ 737,810	$ (725,175)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		517,688
Issuance of common stock	1,160		1,160
Voluntary surrender of shares by shareholder	0		0
Stock-based compensation costs	679		679
Vesting of restricted stock units (in shares)		2,595
Net loss	(20,749)			(20,749)
Ending balance (in shares) at Mar. 31, 2024		21,256,895
Ending balance at Mar. 31, 2024	(6,254)	$ 21	739,649	(745,924)
Beginning balance (in shares) at Dec. 31, 2024		24,875,587
Beginning balance at Dec. 31, 2024	(33,415)	$ 21	752,630	(786,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		108,072
Issuance of common stock	$ 139	$ 0	139
Voluntary surrender of shares by shareholder (in shares)	(301)
Stock-based compensation costs	$ 529		529
Net loss	(11,759)			(11,759)
Ending balance (in shares) at Mar. 31, 2025		24,983,358
Ending balance at Mar. 31, 2025	$ (44,506)	$ 21	$ 753,298	$ (797,825)