Geographic and Customer Information Geographic and Customer Information (Notes)

9 Months Ended

Sep. 30, 2016

Segment Reporting Information [Line Items]

Segment Reporting Disclosure [Text Block]

SIGNIFICANT CUSTOMER INFORMATION

The following tables summarize sales, and percentages of sales, by customers which individually accounted for 10% or more of sales for the three and nine months endedSeptember 30, 2016 and 2015:

	Three Months Ended September 30,
	2016		% of Total Sales		2015		% of Total Sales
Applied Materials, Inc.	$	45,806	36.2	%	$	33,566	30.6	%
LAM Research	24,305		19.2	%	21,640		19.7	%
	Nine Months Ended September 30,
	2016		% of Total Sales		2015		% of Total Sales
Applied Materials, Inc.	$	118,364	34.0	%	$	97,551	29.7	%
LAM Research	73,319		21.0	%	66,557		20.3	%

The following table summarize the accounts receivable balances, and percentages of the total accounts receivables, for customers which individually accounted for 10% or more of accounts receivables as of September 30, 2016 and December 31, 2015:

	September 30,				December 31,
	2016				2015
Applied Materials, Inc.	$	29,377	42.3	%	$	17,147	31.2	%
LAM Research	10,026		14.4	%	7,321		13.3	%

Our sales to Applied Materials, Inc. and LAM Research include precision power products used in semiconductor processing and solar and flat panel display. No other customer accounted for 10% or more of our sales or accounts receivable balances during these periods.