Summary of Warranty Accrual Activity (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Balance at beginning of period	$ 345	$ 377
Charged (credited) to costs and expenses	56	(24)
Cost of warranty claims	(23)	(8)
Balance at end of period	$ 378	$ 345