Information Regarding Net Revenue by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Net revenue	$ 5,040	$ 6,741	$ 10,309	$ 13,399
Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	100.00%	100.00%	100.00%	100.00%
Americas
Segment Reporting Information [Line Items]
Net revenue	$ 1,833	$ 3,386	$ 4,071	$ 6,344
Americas | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	36.00%	50.00%	39.00%	47.00%
Europe and the Middle East
Segment Reporting Information [Line Items]
Net revenue	$ 1,964	$ 2,068	$ 3,751	$ 4,606
Europe and the Middle East | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	39.00%	31.00%	36.00%	34.00%
Asia-Pacific
Segment Reporting Information [Line Items]
Net revenue	$ 1,243	$ 1,287	$ 2,487	$ 2,449
Asia-Pacific | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	25.00%	19.00%	25.00%	19.00%