Net Income (Loss) Per Share - Basic and diluted net income (loss) per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net income (loss) for basic net income (loss) per share attributable to common stockholders	$ 4,167	$ (6,975)	$ (5,412)	$ (11,177)
Reversal of fair market value remeasurement gain on Convertible Notes	(12,752)		(7,810)
Add back of interest expense from the Convertible Notes	93		651
Net loss for diluted net loss per share attributable to common stockholders	$ (8,492)	$ (6,975)	$ (12,571)	$ (11,177)
Denominator:
Weighted-average common shares outstanding, Basic (in shares)	8,246,582	2,574,767	5,426,688	2,573,693
Convertible Notes	208,641		734,279
Weighted-average common shares outstanding, Diluted (in shares)	8,455,223	2,574,767	6,160,967	2,573,693
Net income (loss) per share attributable to common stockholders, Basic (in dollars per share)	$ 0.51	$ (2.71)	$ (1)	$ (4.34)
Net loss per share attributable to common stockholders, Diluted (in dollars per share)	$ (1)	$ (2.71)	$ (2.04)	$ (4.34)