Net Loss per Share - Computation of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net Loss Per Share
Net loss - basic and diluted	$ (4,906)	$ (30,696)
Weighted-average common shares outstanding:
Basic (in shares)	1,524,116	1,516,336
Diluted (in shares)	1,524,116	1,516,336
Net loss per share:
Basic (in dollars per share)	$ (3.22)	$ (20.24)
Diluted (in dollars per share)	$ (3.22)	$ (20.24)