Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Summary of Disaggregation of Revenues Related to Geographic Areas (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Disaggregation Of Revenue [Line Items]        
Net revenue $ 8,646 $ 10,936 $ 27,617 $ 33,110
United States        
Disaggregation Of Revenue [Line Items]        
Net revenue 4,949 6,953 16,962 19,810
International        
Disaggregation Of Revenue [Line Items]        
Net revenue $ 3,697 $ 3,983 $ 10,655 $ 13,300