Quarterly report pursuant to Section 13 or 15(d)

Summary of Property, Plant and Equipment by Geographic Location (Detail)

v3.20.2
Summary of Property, Plant and Equipment by Geographic Location (Detail) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Property, plant, and equipment, net $ 742 $ 1,193
United States    
Segment Reporting Information [Line Items]    
Property, plant, and equipment, net 456 908
International    
Segment Reporting Information [Line Items]    
Property, plant, and equipment, net $ 286 $ 285