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Commitments, Contingencies, and Taxes - Computation of Income Tax Expense (Benefit) from Continuing Operations Using Federal Statutory Rate (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Reconciliation Of Income Taxes [Line Items]
Income tax benefit at U.S. statutory rate		$ (959)	$ (2,061)
State taxes, net of valuation allowance		(129)	(339)
Foreign taxes		92	3
Non-deductible items		13	(29)
Stock-based compensation	[1]	145	101
Valuation allowance		491	2,307
Tax credits		(474)	(282)
Goodwill tax basis difference		1,201	394
Total income tax expense		$ 380	$ 94
[1] Includes non-deductible stock-based compensation and excess tax benefits and shortfalls from stock-based compensation

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