Annual report pursuant to Section 13 and 15(d)

Summary of Long-Lived Assets by Geographic Location (Detail)

v3.7.0.1
Summary of Long-Lived Assets by Geographic Location (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Property, plant, and equipment, net $ 4,478 $ 3,727 $ 1,295
UNITED STATES      
Segment Reporting Information [Line Items]      
Property, plant, and equipment, net 4,175 3,401 921
International      
Segment Reporting Information [Line Items]      
Property, plant, and equipment, net $ 302 $ 326 $ 374