Information Regarding Net Revenue by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Net revenue	$ 6,532	$ 11,732	$ 19,931	$ 32,097
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	$ 2,751	$ 4,151	$ 9,095	$ 18,487
Americas | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	42.00%	35.00%	46.00%	58.00%
Europe and the Middle East
Segment Reporting Information [Line Items]
Net revenue	$ 1,641	$ 4,110	$ 6,247	$ 6,351
Europe and the Middle East | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	25.00%	35.00%	31.00%	20.00%
Asia-Pacific
Segment Reporting Information [Line Items]
Net revenue	$ 2,140	$ 3,471	$ 4,589	$ 7,259
Asia-Pacific | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	33.00%	30.00%	23.00%	22.00%