CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit
Beginning balance ( in shares) at Dec. 31, 2023		14,098,888
Beginning balance at Dec. 31, 2023	$ 88,735	$ 1	$ 780,044	$ 26	$ (691,336)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(6,249)				(6,249)
Vesting of restricted stock units, net of withholding for tax and shares issued under employee stock purchase plan (in shares)		2,809
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan	(5)		(5)
Stock-based compensation	985		985
Cashless exercise of pre-funded warrants ( in shares)		199,991
Unrealized losses from marketable securities	(96)			(96)
Ending balance ( in shares) at Mar. 31, 2024		14,301,688
Ending balance at Mar. 31, 2024	$ 83,370	$ 1	781,024	(70)	(697,585)
Beginning balance ( in shares) at Dec. 31, 2024	14,830,013	14,830,013
Beginning balance at Dec. 31, 2024	$ 52,086	$ 1	783,235	20	(731,170)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(8,611)				(8,611)
Vesting of restricted stock units, net of withholding for tax and shares issued under employee stock purchase plan (in shares)		81,184
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan	(87)		(87)
Stock-based compensation	763		763
Cashless exercise of pre-funded warrants ( in shares)		1,048,291
Cashless exercise of pre-funded warrants	1	$ 1
Unrealized losses from marketable securities	$ (20)			(20)
Ending balance ( in shares) at Mar. 31, 2025	15,959,488	15,959,488
Ending balance at Mar. 31, 2025	$ 44,132	$ 2	$ 783,911	$ 0	$ (739,781)