Quarterly report pursuant to Section 13 or 15(d)

Summary of Net Revenue by Geographic Location (Detail)

v3.5.0.2
Summary of Net Revenue by Geographic Location (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting Information [Line Items]        
Net revenue $ 13,229 $ 11,234 $ 38,049 $ 33,958
UNITED STATES        
Segment Reporting Information [Line Items]        
Net revenue 8,768 6,598 24,155 19,914
International        
Segment Reporting Information [Line Items]        
Net revenue $ 4,461 $ 4,636 $ 13,894 $ 14,044