Quarterly report pursuant to Section 13 or 15(d)

Geographical Information (Details)

v3.8.0.1
Geographical Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Geographical Information      
Property, Plant and Equipment, Net $ 40,038 $ 35,909 $ 35,909
United States      
Geographical Information      
Property, Plant and Equipment, Net 34,687 30,647  
India      
Geographical Information      
Property, Plant and Equipment, Net 4,793 4,907  
Other      
Geographical Information      
Property, Plant and Equipment, Net $ 558 $ 355