Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Collaboration revenue	$ 1,451
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Collaborative Arrangement [Member]	Collaborative Arrangement [Member]
Operating expenses:
Research and development	$ 11,109	$ 9,321
General and administrative	6,788	3,492
Total operating expenses	17,897	12,813
Loss from operations	(16,446)	(12,813)
Other income (expense), net:
Interest expense	(255)	(1,217)
Interest and other income (expense), net	3,714	1,296
Gain (loss) from changes in fair value of warrants	59	(8)
Loss on extinguishment of debt	0	(250)
Total other income (expense), net	3,518	(179)
Net loss	$ (12,928)	$ (12,992)
Net loss per share attributable to common stockholders, Basic	$ (0.36)	$ (7.76)
Net loss per share attributable to common stockholders, Diluted	$ (0.36)	$ (7.76)
Weighted-average common shares outstanding, basic	35,850,037	1,673,472
Weighted-average common shares outstanding, dilutive	35,850,037	1,673,472
Comprehensive loss:
Net Income (Loss)	$ (12,928)	$ (12,992)
Unrealized holding gains on available-for-sale investments	29	0
Foreign currency translation adjustment	(10)	21
Total other comprehensive income	19	21
Total comprehensive loss	$ (12,909)	$ (12,971)