CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning Balance at Dec. 31, 2020	$ 321,220	$ 3	$ 439,235	$ 3	$ (118,021)
Beginning Balance, Shares at Dec. 31, 2020		32,627,963
Vesting of shares of common stock subject to repurchase	9		9
Vesting of shares of common stock subject to repurchase, Shares		15,802
Issuance of common stock upon exercise of stock option, net of repurchase	756		756
Issuance of common stock upon exercise of stock option, net of repurchase, Shares		154,489
Share-based compensation expense	3,347		3,347
Unrealized gain (loss) on short-term investments	31			31
Net loss	(19,373)				(19,373)
Ending Balance at Mar. 31, 2021	305,990	$ 3	443,347	34	(137,394)
Ending Balance, Shares at Mar. 31, 2021		32,798,254
Beginning Balance at Dec. 31, 2020	321,220	$ 3	439,235	3	(118,021)
Beginning Balance, Shares at Dec. 31, 2020		32,627,963
Net loss	(40,908)
Ending Balance at Jun. 30, 2021	288,382	$ 3	447,302	6	(158,929)
Ending Balance, Shares at Jun. 30, 2021		32,852,861
Beginning Balance at Mar. 31, 2021	305,990	$ 3	443,347	34	(137,394)
Beginning Balance, Shares at Mar. 31, 2021		32,798,254
Vesting of shares of common stock subject to repurchase	9		9
Vesting of shares of common stock subject to repurchase, Shares		15,575
Issuance of common stock upon exercise of stock option, net of repurchase	256		256
Issuance of common stock upon exercise of stock option, net of repurchase, Shares		39,032
Share-based compensation expense	3,690		3,690
Unrealized gain (loss) on short-term investments	(28)			(28)
Net loss	(21,535)				(21,535)
Ending Balance at Jun. 30, 2021	288,382	$ 3	447,302	6	(158,929)
Ending Balance, Shares at Jun. 30, 2021		32,852,861
Beginning Balance at Dec. 31, 2021	250,967	$ 3	455,210	(150)	(204,096)
Beginning Balance, Shares at Dec. 31, 2021		32,971,107
Vesting of shares of common stock subject to repurchase	6		6
Vesting of shares of common stock subject to repurchase, Shares		10,924
Issuance of common stock upon exercise of stock option, net of repurchase	79		79
Issuance of common stock upon exercise of stock option, net of repurchase, Shares		21,067
Share-based compensation expense	4,097		4,097
Unrealized gain (loss) on short-term investments	(456)			(456)
Net loss	(25,987)				(25,987)
Ending Balance at Mar. 31, 2022	228,706	$ 3	459,392	(606)	(230,083)
Ending Balance, Shares at Mar. 31, 2022		33,003,098
Beginning Balance at Dec. 31, 2021	$ 250,967	$ 3	455,210	(150)	(204,096)
Beginning Balance, Shares at Dec. 31, 2021		32,971,107
Issuance of common stock upon exercise of stock option, net of repurchase, Shares	109,450
Net loss	$ (52,910)
Ending Balance at Jun. 30, 2022	421,041	$ 5	678,973	(931)	(257,006)
Ending Balance, Shares at Jun. 30, 2022		48,427,202
Beginning Balance at Mar. 31, 2022	228,706	$ 3	459,392	(606)	(230,083)
Beginning Balance, Shares at Mar. 31, 2022		33,003,098
Vesting of shares of common stock subject to repurchase	3		3
Vesting of shares of common stock subject to repurchase, Shares		2,387
Issuance of common stock upon exercise of stock option, net of repurchase	334		334
Issuance of common stock upon exercise of stock option, net of repurchase, Shares		88,383
Issuance of common stock upon secondary offering, net of issuance costs	215,334	$ 2	215,332
Issuance of common stock upon secondary offering, net of issuance costs, Shares		15,333,334
Share-based compensation expense	3,912		3,912
Unrealized gain (loss) on short-term investments	(325)			(325)
Net loss	(26,923)				(26,923)
Ending Balance at Jun. 30, 2022	$ 421,041	$ 5	$ 678,973	$ (931)	$ (257,006)
Ending Balance, Shares at Jun. 30, 2022		48,427,202