Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
State	$ (54)	$ 3	$ (24)
Foreign	218	98	52
Total current	164	101	28
Total income tax provision	$ 164	$ 101	$ 28