Summary of Net Revenue by Geographic Location (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]
Total net revenue	$ 9,134	$ 2,938	$ 17,250	$ 7,721
United States
Segment Reporting Information [Line Items]
Total net revenue	5,865	2,195	11,086	5,324
International
Segment Reporting Information [Line Items]
Total net revenue	$ 3,269	$ 743	$ 6,164	$ 2,397