Basis of Presentation and Accounting Policies - Narrative (Details) $ / shares in Units, $ in Thousands					3 Months Ended						9 Months Ended
	Sep. 11, 2025 USD ($) shares	Nov. 01, 2024 USD ($) shares	Oct. 15, 2024 USD ($) $ / shares shares	Oct. 03, 2024	Sep. 30, 2025 USD ($) tranche $ / shares shares	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($) shares	Mar. 31, 2024 USD ($)	Sep. 30, 2025 USD ($) tranche $ / shares shares	Sep. 30, 2024 USD ($)	Sep. 09, 2025 milestone	Dec. 31, 2024 USD ($) $ / shares shares
Convertible Preferred Stock and Stockholders' Deficit
Reverse stock split ratio				0.08916
Net proceeds received		$ 72,400
Common stock, shares authorized (in shares) | shares			175,000,000		175,000,000						175,000,000			175,000,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.0001		$ 0.0001						$ 0.0001			$ 0.0001
Preferred stock, shares authorized (in shares) | shares			25,000,000
Preferred stock par value (in dollars per share) | $ / shares			$ 0.0001
Cash and cash equivalents					$ 75,255						$ 75,255			$ 64,039
Working capital					69,800						69,800
Accumulated deficit					(251,872)						(251,872)			$ (211,753)
Net loss					$ (15,099)	$ (12,587)	$ (12,433)	$ (13,484)	$ (12,572)	$ (12,456)	(40,119)	$ (38,512)
Net cash used in operating activities											$ (35,846)	$ (34,274)
Private Placement agreement, purchase of securities, number of tranches | tranche					2						2
Common stock
Convertible Preferred Stock and Stockholders' Deficit
Issuance of common stock (in shares) | shares					26,717,414				88
Conversion of convertible securities (in shares) | shares			11,648,582
Initial public offering
Convertible Preferred Stock and Stockholders' Deficit
Issuance of common stock (in shares) | shares			6,820,000
Sale price per share | $ / shares			$ 11.00
Net proceeds received			$ 65,800
Payments of underwriting discounts and commissions			5,300
Payments of other offering costs			$ 4,000
Over allotment
Convertible Preferred Stock and Stockholders' Deficit
Issuance of common stock (in shares) | shares		643,762
Net proceeds received		$ 6,600
Payments of underwriting discounts and commissions		$ 500
Shares issuable upon settlement of tranche liability in Private Placement
Convertible Preferred Stock and Stockholders' Deficit
Sale of stock (in shares) | shares	26,717,414
Proceeds from sale of common stock and warrants	$ 46,700
Payments of stock and warrant issuance costs	$ 3,300
Shares issuable upon settlement of tranche liability in Private Placement | Prefunded Warrants, Liability
Convertible Preferred Stock and Stockholders' Deficit
Pre-funded warrants issued (in shares) | shares	6,003,758
Shares issuable upon settlement of tranche liability in Private Placement | Maximum
Convertible Preferred Stock and Stockholders' Deficit
Number of sale of stock closings in transaction | milestone													2