Condensed Statements of Convertible Preferred Stock and Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Series 1 Convertible Preferred Stock	Preferred Stock Series 1 Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Balance at Dec. 31, 2021	$ 233,977		$ 3	$ 0	$ 598,916	$ (364,942)
Balance, Shares at Dec. 31, 2021			29,863,674
Balance, Shares at Dec. 31, 2021				1,785,476
Issuance of common stock pursuant to equity incentive plan	98				98
Issuance of common stock pursuant to equity incentive plan, Shares				4,388
Issuance of common stock pursuant to employee stock purchase plan	216				216
Issuance of common stock pursuant to employee stock purchase plan, Shares				9,695
Stock-based compensation expense	1,545				1,545
Net loss	(33,051)					(33,051)
Balance at Mar. 31, 2022	202,785		$ 3	$ 0	600,775	(397,993)
Balance, Shares at Mar. 31, 2022				1,799,559
Balance, Shares at Mar. 31, 2022			29,863,674
Balance at Dec. 31, 2021	233,977		$ 3	$ 0	598,916	(364,942)
Balance, Shares at Dec. 31, 2021			29,863,674
Balance, Shares at Dec. 31, 2021				1,785,476
Net loss	(86,083)
Balance at Sep. 30, 2022	152,386		$ 3	$ 0	603,408	(451,025)
Balance, Shares at Sep. 30, 2022				1,810,454
Balance, Shares at Sep. 30, 2022			29,863,674
Balance at Mar. 31, 2022	202,785		$ 3	$ 0	600,775	(397,993)
Balance, Shares at Mar. 31, 2022			29,863,674
Balance, Shares at Mar. 31, 2022				1,799,559
Stock-based compensation expense	1,245				1,245
Net loss	(27,011)					(27,011)
Balance at Jun. 30, 2022	177,019		$ 3	$ 0	602,020	(425,004)
Balance, Shares at Jun. 30, 2022				1,799,559
Balance, Shares at Jun. 30, 2022			29,863,674
Issuance of common stock pursuant to equity incentive plan, Shares				2,869
Issuance of common stock pursuant to employee stock purchase plan	92				92
Issuance of common stock pursuant to employee stock purchase plan, Shares				8,026
Stock-based compensation expense	1,296				1,296
Net loss	(26,021)					(26,021)
Balance at Sep. 30, 2022	152,386		$ 3	$ 0	603,408	(451,025)
Balance, Shares at Sep. 30, 2022				1,810,454
Balance, Shares at Sep. 30, 2022			29,863,674
Balance at Dec. 31, 2022	$ 126,739		$ 3	$ 0	604,690	(477,954)
Balance, Shares at Dec. 31, 2022		29,863,674	29,863,674
Balance, Shares at Dec. 31, 2022	1,811,396			1,811,396
Issuance of common stock pursuant to equity incentive plan, Shares				233
Issuance of common stock pursuant to employee stock purchase plan	$ 33				33
Issuance of common stock pursuant to employee stock purchase plan, Shares				4,560
Stock-based compensation expense	1,183				1,183
Net loss	(17,831)					(17,831)
Balance at Mar. 31, 2023	110,124		$ 3	$ 0	605,906	(495,785)
Balance, Shares at Mar. 31, 2023				1,816,189
Balance, Shares at Mar. 31, 2023			29,863,674
Balance at Dec. 31, 2022	$ 126,739		$ 3	$ 0	604,690	(477,954)
Balance, Shares at Dec. 31, 2022		29,863,674	29,863,674
Balance, Shares at Dec. 31, 2022	1,811,396			1,811,396
Net loss	$ (48,547)
Balance at Sep. 30, 2023	$ 81,556		$ 3	$ 0	608,054	(526,501)
Balance, Shares at Sep. 30, 2023	1,819,136			1,819,136
Balance, Shares at Sep. 30, 2023		29,863,674	29,863,674
Balance at Mar. 31, 2023	$ 110,124		$ 3	$ 0	605,906	(495,785)
Balance, Shares at Mar. 31, 2023			29,863,674
Balance, Shares at Mar. 31, 2023				1,816,189
Issuance of common stock pursuant to equity incentive plan, Shares				2,840
Stock-based compensation expense	1,076				1,076
Net loss	(15,034)					(15,034)
Balance at Jun. 30, 2023	96,166		$ 3	$ 0	606,982	(510,819)
Balance, Shares at Jun. 30, 2023				1,819,029
Balance, Shares at Jun. 30, 2023			29,863,674
Issuance of common stock pursuant to equity incentive plan, Shares				107
Stock-based compensation expense	1,072				1,072
Net loss	(15,682)					(15,682)
Balance at Sep. 30, 2023	$ 81,556		$ 3	$ 0	$ 608,054	$ (526,501)
Balance, Shares at Sep. 30, 2023	1,819,136			1,819,136
Balance, Shares at Sep. 30, 2023		29,863,674	29,863,674