Geographical Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Percentage of Revenue by Geographic Area

The following table sets forth the percentage of revenue by geographic area:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
United States		64	%		65	%		64	%		65	%
Rest of world		36	%		35	%		36	%		35	%