Income Taxes - Schedule of Components of Current Provision for Income Taxes (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Current:
Foreign	$ 331,000	$ 795,000
Total current provision for income taxes	331,000	795,000
Deferred:
Total deferred provision for income taxes	$ 0	$ 0