Net Loss Per Share Attributable to Common Stockholders - Computation Of Basic And Diluted Net Loss Per Share Attributable To Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Numerator:
Net loss	$ (43,438)	$ (69,167)
Denominator:
Weighted average common shares outstanding	15,268,733	1,358,586
Less: Weighted-average common shares subject to repurchase	(916)	(22,661)
Weighted-average shares outstanding - basic	15,267,817	1,335,925
Weighted-average shares outstanding - diluted	15,267,817	1,335,925
Net loss per share attributable to common stockholders - basic	$ (2.85)	$ (51.77)
Net loss per share attributable to common stockholders - diluted	$ (2.85)	$ (51.77)