Income Tax Provision Reconciled to Amount Computed by Applying Statutory Federal Tax Rate to Loss from Continuing Operations Before Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]
Income tax provision (benefit) at statutory federal tax rate of 21%	$ (5,422)	$ (2,900)
State taxes, net of federal benefit	31	(42)
Foreign taxes provisions provided for at rates other than U.S statutory rate	50	301
Stock options	744	467
Change in valuation allowance	4,655	2,188
Permanent differences	31	50
Other	1	1
Total income tax provision	$ 90	$ 65