Segment, Geographic, Product and Significant Customer Information (Tables)

9 Months Ended

Sep. 30, 2017

The following tables summarize total net revenues and long-lived assets (excluding intangible assets) attributed to significant countries (in thousands)

	Three Months Ended				Nine Months Ended
	September 30, 2017		September 24, 2016		September 30, 2017		September 24, 2016
Total net revenues^(1):
South Korea	$	22,269	$	15,710	$	72,388	$	35,226
Japan		4,781		11,765		17,400		24,669
United States		6,231		8,211		28,101		24,306
China		3,403		7,364		17,420		33,883
Taiwan		2,304		6,334		19,016		16,962
Singapore		9,774		5,078		12,229		18,645
Other		7,913		4,252		13,862		8,279
Total net revenues	$	56,675	$	58,714	$	180,416	$	161,970

Long-lived tangible assets

	September 30, 2017		December 31, 2016
Long-lived tangible assets:
United States	$	41,002	$	42,688
International		1,315		1,538
Total long-lived tangible assets	$	42,317	$	44,226

Customers accounted for 10% or more of total accounts receivable

The following customers accounted for 10% or more of total accounts receivable, net:

	At
	September 30, 2017		December 31, 2016
Samsung Electronics Co. Ltd.		23%		14%
Micron Technology, Inc.		27%		12%
Taiwan Semiconductor Manufacturing Company Limited	***			20%
Intel Corporation		11%		11%
Toshiba Corporation	***			10%

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

Customers accounted for 10% or more of total revenue

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

	Three Months Ended				Nine Months Ended
	September 30, 2017		September 24, 2016		September 30, 2017		September 24, 2016
Samsung Electronics Co. Ltd.		32%	***			28%	***
SK Hynix	***			19%		15%		14%
Intel Corporation		14%		19%		12%		19%
Micron Technology, Inc.		19%		15%		11%		25%

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