XML 55 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Segment Information (Tables)
 12 Months Ended
Dec. 31, 2018
Segment Reporting [Abstract]  
Summary of Revenues on Percentage Basis by Geographic Region The following table summarizes revenues on a percentage basis by geographic region, based on the region in which the customer is located.

 

 

 

Year Ended December 31,

 

 

 

2018

 

 

2017

 

 

2016

 

United States

 

 

63

%

 

 

78

%

 

 

62

%

South America

 

 

10

%

 

 

7

%

 

 

11

%

Japan

 

 

5

%

 

 

2

%

 

 

2

%

Europe

 

 

15

%

 

 

9

%

 

 

18

%

Other

 

 

7

%

 

 

4

%

 

 

7

%

 

 

 

100

%

 

 

100

%

 

 

100

%