Long-Lived Assets by Geographic Location (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Property and equipment, net	$ 7,369	$ 7,694
Operating lease right-of-use assets	979	2,000
Americas
Segment Reporting Information [Line Items]
Property and equipment, net	186	68
Operating lease right-of-use assets	0	0
Europe and the Middle East
Segment Reporting Information [Line Items]
Property and equipment, net	605	475
Operating lease right-of-use assets	296	335
Asia-Pacific
Segment Reporting Information [Line Items]
Property and equipment, net	6,578	7,151
Operating lease right-of-use assets	$ 683	$ 1,665