Condensed Consolidated Statements of 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, 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, 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]
Unrealized gain (loss) on investments, net of tax	99
Net loss	(49,496)
Ending balance (in shares) at Sep. 30, 2023		24,526,000
Ending balance at Sep. 30, 2023	118,196	$ 2	370,904	(16)	(252,694)
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)
Ending balance (in shares) at Dec. 31, 2023	24,554,205	24,554,000
Ending balance at Dec. 31, 2023	$ 105,195	$ 2	374,129	27	(268,963)
Beginning balance (in shares) at Mar. 31, 2023		24,437,000
Beginning balance at Mar. 31, 2023	145,986	$ 2	364,437	(32)	(218,421)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	3,054		3,054
Issuance of common stock upon exercise of stock options (in shares)		34,000
Issuance of common stock upon exercise of stock options	68		68
Issuance of shares under the employee stock purchase plan (in shares)		49,000
Issuance of shares under the employee stock purchase plan	294		294
Unrealized gain (loss) on investments, net of tax	(12)			(12)
Net loss	(17,971)				(17,971)
Ending balance (in shares) at Jun. 30, 2023		24,520,000
Ending balance at Jun. 30, 2023	131,419	$ 2	367,853	(44)	(236,392)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	3,049		3,049
Issuance of common stock upon exercise of stock options (in shares)		6,000
Issuance of common stock upon exercise of stock options	2		2
Unrealized gain (loss) on investments, net of tax	28			28
Net loss	(16,302)				(16,302)
Ending balance (in shares) at Sep. 30, 2023		24,526,000
Ending balance at Sep. 30, 2023	$ 118,196	$ 2	370,904	(16)	(252,694)
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
Unrealized gain (loss) on investments, net of tax	(35)			(35)
Net loss	(18,289)				(18,289)
Ending balance (in shares) at Mar. 31, 2024		24,554,000
Ending balance at Mar. 31, 2024	$ 90,460	$ 2	377,718	(8)	(287,252)
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]
Issuance of common stock upon exercise of stock options (in shares)	0
Unrealized gain (loss) on investments, net of tax	$ 12
Net loss	$ (45,418)
Ending balance (in shares) at Sep. 30, 2024	24,614,834	24,615,000
Ending balance at Sep. 30, 2024	$ 68,868	$ 2	383,208	39	(314,381)
Beginning balance (in shares) at Mar. 31, 2024		24,554,000
Beginning balance at Mar. 31, 2024	90,460	$ 2	377,718	(8)	(287,252)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,839		2,839
Issuance of shares under the employee stock purchase plan (in shares)		61,000
Issuance of shares under the employee stock purchase plan	94		94
Unrealized gain (loss) on investments, net of tax	(19)			(19)
Net loss	(14,583)				(14,583)
Ending balance (in shares) at Jun. 30, 2024		24,615,000
Ending balance at Jun. 30, 2024	78,791	$ 2	380,651	(27)	(301,835)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,557		2,557
Unrealized gain (loss) on investments, net of tax	66			66
Net loss	$ (12,546)				(12,546)
Ending balance (in shares) at Sep. 30, 2024	24,614,834	24,615,000
Ending balance at Sep. 30, 2024	$ 68,868	$ 2	$ 383,208	$ 39	$ (314,381)