CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Gain (Loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022		88,054,127
Beginning balance at Dec. 31, 2022	$ 256,857	$ 88	$ 970,535	$ (337)	$ (713,429)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	4,363		4,363
Employee stock purchase plan purchases (in shares)		308,000
Employee stock purchase plan purchases	357	$ 1	356
RSU stock issuance (in shares)		221,440
Comprehensive loss:
Unrealized loss (gain) on investments, net	106			106
Net loss	(21,372)				(21,372)
Comprehensive loss	(21,266)
Ending balance (in shares) at Mar. 31, 2023		88,583,567
Ending balance at Mar. 31, 2023	240,311	$ 89	975,254	(231)	(734,801)
Beginning balance (in shares) at Dec. 31, 2022		88,054,127
Beginning balance at Dec. 31, 2022	256,857	$ 88	970,535	(337)	(713,429)
Comprehensive loss:
Unrealized loss (gain) on investments, net	(288)
Net loss	(63,934)
Comprehensive loss	(64,222)
Ending balance (in shares) at Sep. 30, 2023		88,891,300
Ending balance at Sep. 30, 2023	208,303	$ 89	986,202	(625)	(777,363)
Beginning balance (in shares) at Mar. 31, 2023		88,583,567
Beginning balance at Mar. 31, 2023	240,311	$ 89	975,254	(231)	(734,801)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	2,959		2,959
Comprehensive loss:
Unrealized loss (gain) on investments, net	(582)			(582)
Net loss	(18,576)				(18,576)
Comprehensive loss	(19,158)
Ending balance (in shares) at Jun. 30, 2023		88,583,567
Ending balance at Jun. 30, 2023	224,112	$ 89	978,213	(813)	(753,377)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	7,880		7,880
Employee stock purchase plan purchases (in shares)		121,233
Employee stock purchase plan purchases	109		109
RSU stock issuance (in shares)		186,500
Comprehensive loss:
Unrealized loss (gain) on investments, net	188			188
Net loss	(23,986)				(23,986)
Comprehensive loss	(23,798)
Ending balance (in shares) at Sep. 30, 2023		88,891,300
Ending balance at Sep. 30, 2023	$ 208,303	$ 89	986,202	(625)	(777,363)
Beginning balance (in shares) at Dec. 31, 2023	88,929,300	88,929,300
Beginning balance at Dec. 31, 2023	$ 193,029	$ 89	988,457	7	(795,524)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	2,749		2,749
Employee stock purchase plan purchases (in shares)		419,546
Employee stock purchase plan purchases	378	$ 1	377
RSU stock issuance (in shares)		281,056
Comprehensive loss:
Unrealized loss (gain) on investments, net	(185)			(185)
Net loss	(21,869)				(21,869)
Comprehensive loss	(22,054)
Ending balance (in shares) at Mar. 31, 2024		89,629,902
Ending balance at Mar. 31, 2024	$ 174,102	$ 90	991,583	(178)	(817,393)
Beginning balance (in shares) at Dec. 31, 2023	88,929,300	88,929,300
Beginning balance at Dec. 31, 2023	$ 193,029	$ 89	988,457	7	(795,524)
Comprehensive loss:
Unrealized loss (gain) on investments, net	251
Net loss	(65,433)
Comprehensive loss	$ (65,182)
Ending balance (in shares) at Sep. 30, 2024	89,936,053	89,936,053
Ending balance at Sep. 30, 2024	$ 135,780	$ 90	996,389	258	(860,957)
Beginning balance (in shares) at Mar. 31, 2024		89,629,902
Beginning balance at Mar. 31, 2024	174,102	$ 90	991,583	(178)	(817,393)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	2,193		2,193
Exercise of stock options (in shares)		2,483
Exercise of stock options	2		2
Comprehensive loss:
Unrealized loss (gain) on investments, net	(30)			(30)
Net loss	(20,685)				(20,685)
Comprehensive loss	(20,715)
Ending balance (in shares) at Jun. 30, 2024		89,632,385
Ending balance at Jun. 30, 2024	155,582	$ 90	993,778	(208)	(838,078)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	2,389		2,389
Employee stock purchase plan purchases (in shares)		297,418
Employee stock purchase plan purchases	222		222
RSU stock issuance (in shares)		6,250
Comprehensive loss:
Unrealized loss (gain) on investments, net	466			466
Net loss	(22,879)				(22,879)
Comprehensive loss	$ (22,413)
Ending balance (in shares) at Sep. 30, 2024	89,936,053	89,936,053
Ending balance at Sep. 30, 2024	$ 135,780	$ 90	$ 996,389	$ 258	$ (860,957)