Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Secondary Offering	At-the-market offering	Common Stock	Common Stock Secondary Offering	Common Stock At-the-market offering	Additional Paid-In Capital	Additional Paid-In Capital Secondary Offering	Additional Paid-In Capital At-the-market offering	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2020	$ 321,220			$ 3			$ 439,235			$ (118,021)	$ 3
Beginning Balance, Shares at Dec. 31, 2020				32,627,963
Vesting of shares of common stock subject to repurchase	35						35
Vesting of shares of common stock subject to repurchase, Shares				62,045
Issuance of common stock upon exercise of stock option	1,479						1,479
Issuance of common stock upon exercise of stock option , Shares				281,099
Share-based compensation expense	14,461						14,461
Unrealized loss on short-term investments	(153)										(153)
Net loss	(86,075)									(86,075)
Ending Balance at Dec. 31, 2021	250,967			$ 3			455,210			(204,096)	(150)
Ending Balance, Shares at Dec. 31, 2021				32,971,107
Issuance of common stock upon secondary offering, net of issuance costs		$ 215,334	$ 1,559		$ 2			$ 215,332	$ 1,559
Issuance of common stock upon secondary offering, net of issuance costs, Shares				113,213	15,333,334	113,213
Vesting of shares of common stock subject to repurchase	15						15
Vesting of shares of common stock subject to repurchase, Shares				15,278
Issuance of common stock upon exercise of stock option	1,397						1,397
Issuance of common stock upon exercise of stock option , Shares				383,120
Issuance of common stock upon employee stock purchase plan	445						445
Issuance of common stock upon employee stock purchase plan,share				61,754
Share-based compensation expense	16,856						16,856
Unrealized loss on short-term investments	(529)										(529)
Net loss	(113,837)									(113,837)
Ending Balance at Dec. 31, 2022	$ 372,207			$ 5			$ 690,814			$ (317,933)	$ (679)
Ending Balance, Shares at Dec. 31, 2022				48,877,806