Geographic and Significant Customer Information (Tables)

12 Months Ended

Dec. 31, 2019

Geographic and Significant Customer Information

Schedules of concentration of risk, by risk factor

The following table summarizes sales, and percentages of sales, by customers that individually accounted for 10% or more of our sales for the years ended December 31, 2019 and 2018:

	Years Ended December 31,
	2019				2018
Applied Materials, Inc.	$	164,724	20.9	%	$	258,027	35.9	%
LAM Research		88,251	11.2	%		109,005	15.2	%

The following table summarizes the accounts receivable balances, and percentages of the total accounts receivable, for customers that individually accounted for 10% or more of accounts receivable as of December 31, 2019 and December 31, 2018:

	Years Ended December 31,
	2019				2018
Applied Materials, Inc.	$	36,849	14.9	%	$	34,301	34.2	%
Nidec Motor Corporation		38,071	15.4			*	*	%
LAM Research		*	*	%		12,181	12.1	%

Schedule of long-lived assets by geographic area

	December 31,
	2019		2018
United States	$	239,511	$	115,869
Asia		301,020		12,274
Europe		59,925		59,936
Total	$	600,456	$	188,079