Major Customers (Tables)

12 Months Ended

Dec. 31, 2017

Revenues from Customer Exceeding 10%

In the years ended December 31, 2017, 2016, and 2015, revenues from the following customers represent 10% or more of consolidated revenues:

	Year Ended December 31,
	2017			2016			2015
Customer A	20	%		13	%		n/a		(1)
Customer B	19	%		15	%		n/a		(1)
Customer C	11	%		21	%		20	%
Customer D	n/a		(1)	n/a		(1)	10	%

⁽¹⁾  Customers represent less than 10% of consolidated revenue in each such year.