Net Income (Loss) Per Share Attributable to Shareholders - Computation of Basic and Dilutive Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator:
Net income (loss)	$ 5,711	$ (14,904)	$ 1,477	$ (30,093)
Less: Net income attributable to participating securities	(4,204)	0	(1,089)	0
Net income (loss) attributable to common stockholders	$ 1,507	$ (14,904)	$ 388	$ (30,093)
Denominator:
Weighted-average shares used in calculating net income (loss) per share, basic (in shares)	10,429,583	10,107,487	10,376,253	10,049,097
Net income (loss) per share, basic (in dollars per share)	$ 0.14	$ (1.47)	$ 0.04	$ (2.99)
Numerator:
Net income (loss) attributable to common stockholders	$ 1,507	$ (14,904)	$ 388	$ (30,093)
Denominator:
Outstanding stock options (in shares)	4,336,722	0	3,940,885	0
Restricted stock awards in exchange for non-recourse note (in shares)	698,552	0	698,245	0
Weighted-average shares used in calculating net income (loss) per share, diluted (in shares)	15,571,949	10,107,487	15,117,365	10,049,097
Net income (loss) per share, diluted (in dollars per share)	$ 0.10	$ (1.47)	$ 0.03	$ (2.99)
Redeemable Convertible Preferred stock warrants
Denominator:
Warrants (in shares)	8,798	0	8,616	0
Common stock warrants
Denominator:
Warrants (in shares)	98,294	0	93,366	0