Equity Incentive Plans - Additional Information (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2024	Dec. 31, 2022	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, shares reserved for future issuance			12,407,880		12,407,880		29,619,628
Stock issued upon exercise of incentive stock options		349,321			420,290		349,321
Weighted-average grant date fair value of options granted			$ 5.43	$ 3.32	$ 6.43	$ 3.01
Intrinsic value of options exercised			$ 100,000	$ 100,000	$ 3,500,000	$ 200,000
Repurchase liability related to the unvested shares			0		$ 0
Common stock shares repurchased under early exercise of Stock option					0		8,125
Issuance of common stock upon initial public offering, net of underwriting commissions and issuance costs of $30,686 , Shares							349,321
Recognized stock-based compensation expense			3,413,000	$ 521,000	$ 6,975,000	$ 1,436,000
Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Repurchase liability related to the unvested shares							$ 100,000
CEO
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Recognized stock-based compensation expense	$ 1,100,000
Unrecognized stock-based compensation expense			$ 1,700,000		$ 1,700,000
ESPP [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, shares reserved for future issuance	422,000
Employees purchase shares of common stock at a price per share, percentage of the lower of the fair market value	85.00%
Percentage of common stock outstanding	1.00%
ESPP [Member] | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Eligible compensation percentage through payroll deductions, maximum	15.00%
Inducement Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, shares reserved for future issuance			4,000,000		4,000,000
Shares granted					2,579,259
Shares available for future grant			1,420,741		1,420,741
Stock Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized stock-based compensation expense			$ 27,100,000		$ 27,100,000
Weighted average period over which unrecognized compensation is expected to be recognized (in years)					3 years 3 months 18 days
RSU [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares granted					464,143
Vesting period					4 years
Shares forfeited					19,292
Shares vested					0
Shares unvested			544,851		544,851
Weighted-average price per share					$ 7.35
Estimated fair value					$ 4,200,000
Unrecognized stock-based compensation expense			$ 3,900,000		$ 3,900,000
Performance RSU [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares granted					100,000
Vesting period					36 months
Weighted-average price per share					$ 8.05
Unrecognized stock-based compensation expense			800,000		$ 800,000
Time-vesting RSU [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized stock-based compensation expense			$ 3,100,000		$ 3,100,000
Weighted average period over which unrecognized compensation is expected to be recognized (in years)					3 years 8 months 12 days
2024 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, shares reserved for future issuance	4,215,000		2,903,178		2,903,178
Stock issued upon exercise of incentive stock options	12,645,000
Shares of common stock outstanding on the last day of the immediately preceding fiscal year, percentage	5.00%
Vesting period	4 years
2024 Plan [Member] | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair market value of the shares on the date of grant, percentage	110.00%
2024 Plan [Member] | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options under the Plan may be granted for periods	10 years
Grant date fair market value of all awards and all cash compensation, paid	$ 750,000
2024 Plan [Member] | Initial Service as a Non-employee Director | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Grant date fair market value of all awards and all cash compensation, paid	$ 1,000,000
2019 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares issued	3,960,713
Shares outstanding	3,960,713
2019 Plan and 2024 Plan [Member] | Stock Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period					4 years
Options under the Plan may be granted for periods					10 years