Net Loss Per Share - Summary of computation of basic and diluted net loss per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Numerator:
Net loss attributable to Class A, Class B and Class C common stockholders, basic and diluted	$ (54,756)	$ (44,099)
Denominator:
Weighted-average common stock outstanding, basic	6,365,064	5,303,684
Weighted-average common stock outstanding, diluted	6,365,064	5,303,684
Net loss per share attributable to common stockholders, basic	$ (8.60)	$ (8.31)
Net loss per share attributable to common stockholders, diluted	$ (8.60)	$ (8.31)
Class A Common Stock
Denominator:
Weighted-average common stock outstanding, basic	2,952,123	2,989,847
Weighted-average common stock outstanding, diluted	2,952,123	2,989,847
Class B Common Stock
Denominator:
Weighted-average common stock outstanding, basic	3,364,023	2,264,919
Weighted-average common stock outstanding, diluted	3,364,023	2,264,919
Class C Common Stock
Denominator:
Weighted-average common stock outstanding, basic	48,918	48,918
Weighted-average common stock outstanding, diluted	48,918	48,918