Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022		24,435,000
Beginning balance at Dec. 31, 2022	$ 158,378	$ 2	$ 361,689	$ (115)	$ (203,198)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,740		2,740
Issuance of common stock upon exercise of stock options (in shares)		2,000
Issuance of common stock upon exercise of stock options	8		8
Unrealized gain (loss) on investments, net of tax	83			83
Net loss	(15,223)				(15,223)
Ending balance (in shares) at Mar. 31, 2023		24,437,000
Ending balance at Mar. 31, 2023	$ 145,986	$ 2	364,437	(32)	(218,421)
Beginning balance (in shares) at Dec. 31, 2023	24,554,205	24,554,000
Beginning balance at Dec. 31, 2023	$ 105,195	$ 2	374,129	27	(268,963)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	$ 3,589		3,589
Issuance of common stock upon exercise of stock options (in shares)	0
Unrealized gain (loss) on investments, net of tax	$ (35)			(35)
Net loss	$ (18,289)				(18,289)
Ending balance (in shares) at Mar. 31, 2024	24,554,205	24,554,000
Ending balance at Mar. 31, 2024	$ 90,460	$ 2	$ 377,718	$ (8)	$ (287,252)