Convertible Preferred Stock and Stockholders’ Equity (Deficit) - Narrative (Details) - USD ($)		1 Months Ended	2 Months Ended	3 Months Ended		4 Months Ended	9 Months Ended
	Sep. 14, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jul. 31, 2020	Sep. 30, 2023	Sep. 30, 2022	Jan. 01, 2024	Dec. 31, 2022	Feb. 28, 2022
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		0		0			0			0
Preferred stock, shares issued (in shares)		0		0			0			0
Issuance of convertible preferred stock (in shares)					12,443,676			12,443,676
Proceeds from stock issued					$ 159,349,000			$ 159,349,000
Deemed dividend upon down round of convertible preferred stock		$ 1,200,000
Common stock, par value (in dollars per share)		$ 0.0001		$ 0.0001			$ 0.0001			$ 0.0001
Vested shares (in shares)							506,861
Unvested stock (in shares)		1,221,005		1,221,005			1,221,005			982,299
Shares available for issuance under the 2023 Plan (in shares)											194,514
Stock repurchase price (in dollars per share)											$ 9.56226
Common stock reserved for future issuance (in shares)		10,864,178		10,864,178			10,864,178			41,016,508
Compensation expense				$ 2,564,000	$ 1,447,000		$ 7,195,000	$ 4,219,000
Weighted average grant date fair value (in dollars per share)				$ 8.86	$ 0		$ 8.36	$ 7.11
Unrecognized stock based compensation		$ 26,100,000		$ 26,100,000			$ 26,100,000
Weighted-average period (in years)							2 years 8 months 12 days
Options vested and expected to vest, aggregate intrinsic value				$ 1,900,000	$ 0		$ 9,800,000	$ 400,000
Employee Stock Purchase Plan
Class of Stock [Line Items]
Increase in number of common stock (percent)		1.00%		1.00%			1.00%
Common stock reserved for future issuance (in shares)		600,000		600,000			600,000			0
Compensation expense				$ 0			$ 0
Stock-based compensation expense witheld				$ 0			$ 0
2023 Plan
Class of Stock [Line Items]
Common stock, shares approved (in shares)		6,000,000		6,000,000			6,000,000
Increase in number of common stock (percent)		5.00%		5.00%			5.00%
IPO
Class of Stock [Line Items]
Conversion of convertible preferred stock into common stock (in shares)	35,616,773
Offering price (in dollars per share)	$ 18.00
Forecast | Employee Stock Purchase Plan
Class of Stock [Line Items]
Increase in shares (in shares)									1,200,000
Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		0		0			0
Preferred stock, shares issued (in shares)		0		0			0
Series D
Class of Stock [Line Items]
Issuance of convertible preferred stock (in shares)			12,443,676
Offering price (in dollars per share)			$ 12.83824		$ 12.83824			$ 12.83824
Proceeds from stock issued			$ 159,800,000
Series C
Class of Stock [Line Items]
Deemed dividend upon down round of convertible preferred stock			$ 4,600,000
Founders Stock
Class of Stock [Line Items]
Issuance of common stock (in shares)						1,884,213
Common stock, par value (in dollars per share)						$ 0.005141
Vested shares (in shares)						1,167,087
Stock fully vested (in shares)						717,126
Research term						4 years
Unvested stock (in shares)		178,761		178,761			178,761			313,230
Repurchase liability		$ 1,000		$ 1,000			$ 1,000			$ 2,000