CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2022	$ 103,900	$ 4	$ 502,613	$ (399,118)	$ 401
Beginning balance, Shares at Dec. 31, 2022		1,716,923
Issuance of common stock upon exercise of stock options	23		23
Issuance of common stock upon exercise of stock options, shares		680
Issuance of common stock related to ESPP purchase	461		461
Issuance of common stock related to ESPP purchase, shares		22,481
Stock-based compensation expense related to employee stock awards	9,361		9,361
Stock-based compensation expense related to employee stock purchases	708		708
Vesting of early exercised common stock options	59		59
Other comprehensive income (loss)	96				96
Net loss	(59,787)			(59,787)
Ending balance at Sep. 30, 2023	54,821	$ 4	513,225	(458,905)	497
Ending balance, Shares at Sep. 30, 2023		1,740,084
Beginning balance at Jun. 30, 2023	69,635	$ 4	509,998	(440,864)	497
Beginning balance, Shares at Jun. 30, 2023		1,740,084
Stock-based compensation expense related to employee stock awards	2,883		2,883
Stock-based compensation expense related to employee stock purchases	326		326
Vesting of early exercised common stock options	18		18
Net loss	(18,041)			(18,041)
Ending balance at Sep. 30, 2023	54,821	$ 4	513,225	(458,905)	497
Ending balance, Shares at Sep. 30, 2023		1,740,084
Beginning balance at Dec. 31, 2023	92,080	$ 7	578,325	(486,797)	545
Beginning balance, Shares at Dec. 31, 2023		3,003,855
Issuance of common stock related to ESPP purchase	297		297
Issuance of common stock related to ESPP purchase, shares		22,438
Issuance of common stock from RSU vesting, shares		4,874
Issuance of common stock upon exercise of pre-funded warrants	1	$ 1
Issuance of common stock upon exercise of pre-funded warrants, shares		293,613
Stock-based compensation expense related to employee stock awards	6,321		6,321
Stock-based compensation expense related to employee stock purchases	426		426
Other comprehensive income (loss)	32				32
Net loss	(49,061)			(49,061)
Ending balance at Sep. 30, 2024	50,096	$ 8	585,369	(535,858)	577
Ending balance, Shares at Sep. 30, 2024		3,324,780
Beginning balance at Jun. 30, 2024	67,229	$ 8	583,326	(516,599)	494
Beginning balance, Shares at Jun. 30, 2024		3,191,425
Issuance of common stock upon exercise of pre-funded warrants, shares		128,578
Stock-based compensation expense related to employee stock awards	1,904		1,904
Stock-based compensation expense related to employee stock awards, shares		4,777
Stock-based compensation expense related to employee stock purchases	139		139
Other comprehensive income (loss)	83				83
Net loss	(19,259)			(19,259)
Ending balance at Sep. 30, 2024	$ 50,096	$ 8	$ 585,369	$ (535,858)	$ 577
Ending balance, Shares at Sep. 30, 2024		3,324,780