Information Regarding Net Revenue by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net revenue	$ 6,741	$ 11,476	$ 13,399	$ 20,365
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	$ 3,386	$ 7,948	$ 6,344	$ 14,336
Americas | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	50.00%	69.00%	47.00%	70.00%
Europe and the Middle East
Segment Reporting Information [Line Items]
Net revenue	$ 2,068	$ 797	$ 4,606	$ 2,241
Europe and the Middle East | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	31.00%	7.00%	34.00%	11.00%
Asia-Pacific
Segment Reporting Information [Line Items]
Net revenue	$ 1,287	$ 2,731	$ 2,449	$ 3,788
Asia-Pacific | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	19.00%	24.00%	19.00%	19.00%