Other Accrued Expenses and Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Accrued Liabilities And Other Liabilities Current [Abstract]
Accrued professional fees	$ 594	$ 404
Accrued warranties	100	217
Amounts payable under the Transition Services Agreement	2,344
Other accrued expenses	557	296
Total	$ 3,595	$ 917