Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity - USD ($) $ in Thousands	Total	Redeemable Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Balance at Dec. 31, 2020	$ (221,811)		$ 1	$ 6,269	$ 11	$ (228,092)
Temporary Equity, Balance, shares at Dec. 31, 2020		12,397,838
Temporary Equity, Balance at Dec. 31, 2020		$ 123,255
Balance, shares at Dec. 31, 2020			1,192,299
Issuance of common stock upon exercise of stock options	886		$ 2	884
Issuance of common stock upon exercise of stock options, shares			1,465,158
Issuance of common stock upon early exercise of stock options, shares			363,555
Stock-based compensation expense	131			131
Net loss	(14,948)					(14,948)
Balance at Mar. 31, 2021	(235,742)		$ 3	7,284	11	(243,040)
Temporary Equity, Balance, shares at Mar. 31, 2021		12,397,838
Temporary Equity, Balance at Mar. 31, 2021		$ 123,255
Balance, shares at Mar. 31, 2021			3,021,012
Balance at Dec. 31, 2020	(221,811)		$ 1	6,269	11	(228,092)
Temporary Equity, Balance, shares at Dec. 31, 2020		12,397,838
Temporary Equity, Balance at Dec. 31, 2020		$ 123,255
Balance, shares at Dec. 31, 2020			1,192,299
Net loss	(32,272)
Balance at Sep. 30, 2021	(247,382)		$ 3	12,968	11	(260,364)
Temporary Equity, Balance, shares at Sep. 30, 2021		12,397,838
Temporary Equity, Balance at Sep. 30, 2021		$ 123,255
Balance, shares at Sep. 30, 2021			3,149,777
Balance at Mar. 31, 2021	(235,742)		$ 3	7,284	11	(243,040)
Temporary Equity, Balance, shares at Mar. 31, 2021		12,397,838
Temporary Equity, Balance at Mar. 31, 2021		$ 123,255
Balance, shares at Mar. 31, 2021			3,021,012
Issuance of common stock upon exercise of stock options	40			40
Issuance of common stock upon exercise of stock options, shares			66,288
Vesting of early exercised stock options	15			15
Stock-based compensation expense	4,478			4,478
Net loss	(14,099)					(14,099)
Balance at Jun. 30, 2021	(245,308)		$ 3	11,817	11	(257,139)
Temporary Equity, Balance, shares at Jun. 30, 2021		12,397,838
Temporary Equity, Balance at Jun. 30, 2021		$ 123,255
Balance, shares at Jun. 30, 2021			3,087,300
Issuance of common stock upon exercise of stock options	37			37
Issuance of common stock upon exercise of stock options, shares			62,477
Vesting of early exercised stock options	39			39
Stock-based compensation expense	1,075			1,075
Net loss	(3,225)					(3,225)
Balance at Sep. 30, 2021	(247,382)		$ 3	12,968	11	(260,364)
Temporary Equity, Balance, shares at Sep. 30, 2021		12,397,838
Temporary Equity, Balance at Sep. 30, 2021		$ 123,255
Balance, shares at Sep. 30, 2021			3,149,777
Balance at Dec. 31, 2021	44,104		$ 28	293,621	11	(249,556)
Balance, shares at Dec. 31, 2021			28,822,283
Issuance of common stock upon exercise of stock options	3			3
Issuance of common stock upon exercise of stock options, shares			5,166
Vesting of early exercised stock options	39			39
Stock-based compensation expense	1,523			1,523
Net loss	(10,925)					(10,925)
Balance at Mar. 31, 2022	34,744		$ 28	295,186	11	(260,481)
Balance, shares at Mar. 31, 2022			28,827,449
Balance at Dec. 31, 2021	$ 44,104		$ 28	293,621	11	(249,556)
Balance, shares at Dec. 31, 2021			28,822,283
Issuance of common stock upon exercise of stock options, shares	56,964
Net loss	$ (27,867)
Balance at Sep. 30, 2022	21,538		$ 28	298,922	11	(277,423)
Balance, shares at Sep. 30, 2022			28,968,185
Balance at Mar. 31, 2022	34,744		$ 28	295,186	11	(260,481)
Balance, shares at Mar. 31, 2022			28,827,449
Issuance of common stock upon exercise of stock options	18			18
Issuance of common stock upon exercise of stock options, shares			28,875
Vesting of early exercised stock options	25			25
Stock-based compensation expense	1,676			1,676
Net loss	(5,613)					(5,613)
Balance at Jun. 30, 2022	30,850		$ 28	296,905	11	(266,094)
Balance, shares at Jun. 30, 2022			28,856,324
Issuance of common stock upon release of RSUs			88,938
Issuance of common stock upon exercise of stock options	13			13
Issuance of common stock upon exercise of stock options, shares			22,923
Vesting of early exercised stock options	27			27
Stock-based compensation expense	1,977			1,977
Net loss	(11,329)					(11,329)
Balance at Sep. 30, 2022	$ 21,538		$ 28	$ 298,922	$ 11	$ (277,423)
Balance, shares at Sep. 30, 2022			28,968,185