Geographic and Significant Customer Information

6 Months Ended

Jun. 28, 2014

Segment Reporting [Abstract]

Geographic and Significant Customer Information

Geographic and Significant Customer Information

The Company has one operating segment, which is the sale, design, manufacture, marketing and support of thin film and optical critical dimension systems. The following tables summarize total net revenues (based on the deployments and service location of the systems) and long-lived assets (excluding intangible assets) attributed to significant geographic regions (in thousands):

	Three Months Ended				Six Months Ended
	June 28, 2014		June 29, 2013		June 28, 2014		June 29, 2013
United States	$	13,302	$	16,328	$	20,043	$	25,761
Japan	2,222		5,407		5,906		6,051
Taiwan	6,281		2,018		10,697		7,230
China	9,358		5,594		24,846		9,141
South Korea	8,373		506		24,262		761
Other	8,493		4,699		13,851		10,160
Total net revenues	$	48,029	$	34,552	$	99,605	$	59,104

	At
	June 28, 2014		December 28, 2013
United States	$	44,963	$	44,775
Japan	105		125
South Korea	383		445
All Other	1,793		2,094
Total long-lived tangible assets	$	47,244	$	47,439

The following customers accounted for 10% or more of total accounts receivable as of the following dates:

	June 28, 2014		December 28, 2013
SK Hynix	24	%	22	%
Taiwan Semiconductor Mfg. Co.	17	%	12	%
Global Foundries	17	%	***
Samsung Electronics Co. Ltd.	***		27	%
Intel Corporation	***		14	%

*** The customer accounted for less than 10% of total accounts receivable as of that period end.

The following customers accounted for 10% or more of total net revenues:

	Three Months Ended				Six Months Ended
	June 28, 2014		June 29, 2013		June 28, 2014		June 29, 2013
Intel Corporation	18	%	29	%	16	%	27	%
SK Hynix	18	%	23	%	13	%	15	%
Samsung Electronics Co. Ltd.	16	%	15	%	35	%	12	%
Global Foundries	15	%	***		***		***
Taiwan Semiconductor Mfg. Co.	11	%	***		***		***

*** The customer accounted for less than 10% of total net revenues for that period.