Income Tax Provision (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Deferred:
Federal	$ 0
State	0
Foreign	0
Total deferred income tax benefit (expense)	0
Current:
State	39,000	$ (54,000)
Foreign	51,000	119,000
Total current	90,000	65,000
Total income tax provision	$ 90,000	$ 65,000