Income Taxes - Federal and State Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Current
Federal	$ 0	$ 0
State	20	3
Foreign	139	0
Total current tax expenses	159	3
Deferred
Federal	0	0
State	0	0
Foreign	(1,246)	0
Total deferred tax benefits	(1,246)	0
Total tax expenses	$ (1,087)	$ 3