Information Regarding Net Revenue by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Net revenue	$ 23,993	$ 19,105	$ 46,155	$ 37,225
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	$ 14,208	$ 13,670	$ 29,356	$ 27,538
Americas | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	59.00%	71.00%	64.00%	74.00%
Europe and the Middle East
Segment Reporting Information [Line Items]
Net revenue	$ 3,626	$ 2,630	$ 6,086	$ 5,230
Europe and the Middle East | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	15.00%	14.00%	13.00%	14.00%
Asia-Pacific
Segment Reporting Information [Line Items]
Net revenue	$ 6,159	$ 2,805	$ 10,713	$ 4,457
Asia-Pacific | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	26.00%	15.00%	23.00%	12.00%