CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2022	$ 103,900	$ 4	$ 502,613	$ (399,118)	$ 401
Beginning balance, Shares at Dec. 31, 2022		42,922,980
Issuance of common stock upon exercise of stock options	23		23
Issuance of common stock upon exercise of stock options, shares		17,109
Stock-based compensation expense related to employee stock awards	3,503		3,503
Stock-based compensation expense related to employee stock purchases	161		161
Vesting of early exercised common stock options	20		20
Other comprehensive income (loss)	98				98
Net loss	(22,955)			(22,955)
Ending balance at Mar. 31, 2023	84,750	$ 4	506,320	(422,073)	499
Ending balance, Shares at Mar. 31, 2023		42,940,089
Beginning balance at Dec. 31, 2023	92,080	$ 7	578,325	(486,797)	545
Beginning balance, Shares at Dec. 31, 2023		75,096,906
Issuance of common stock from RSU vesting, shares		2,490
Issuance of common stock upon exercise of pre-funded warrants, shares		569,125
Stock-based compensation expense related to employee stock awards	2,500		2,500
Stock-based compensation expense related to employee stock purchases	148		148
Other comprehensive income (loss)	(69)				(69)
Net loss	(34,863)			(34,863)
Ending balance at Mar. 31, 2024	$ 59,796	$ 7	$ 580,973	$ (521,660)	$ 476
Ending balance, Shares at Mar. 31, 2024		75,668,521