Quarterly report pursuant to Section 13 or 15(d)

Summary of Disaggregation of Revenues Related to Geographic Areas (Detail)

v3.19.2
Summary of Disaggregation of Revenues Related to Geographic Areas (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Disaggregation Of Revenue [Line Items]        
Net revenue $ 8,645 $ 12,154 $ 18,971 $ 22,174
United States        
Disaggregation Of Revenue [Line Items]        
Net revenue 5,898 7,164 12,014 12,857
International        
Disaggregation Of Revenue [Line Items]        
Net revenue $ 2,747 $ 4,990 $ 6,957 $ 9,317