Segment Information (Tables)

9 Months Ended

Sep. 30, 2019

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.

	Quarters Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
United States		54	%		58	%		52	%		64	%
South America		11	%		9	%		11	%		10	%
Japan		6	%		7	%		7	%		4	%
Europe		18	%		18	%		18	%		15	%
Other		11	%		8	%		12	%		7	%
		100	%		100	%		100	%		100	%