Segment Information

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Segment Information

3. SEGMENT INFORMATION

The Company evaluates operations as one reportable segment, as it only reports profit and loss information on an aggregate basis to its chief operating decision maker.

Revenue is attributed by geographic region based on ship-to location of the Company’s customers. The following table summarizes revenue by geographic region:

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
	(in thousands)				(in thousands)
Germany	$	1,449	$	1,131	$	2,987	$	1,641
United States		694		998		1,806		2,521
Korea		642		1,261		1,064		1,986
Taiwan		425		1,211		808		2,913
Canada		190		72		423		518
Israel		120		291		291		614
China		1		1,813		3		5,163
Other		14		329		440		660
Total revenue	$	3,535	$	7,106	$	7,822	$	16,016

The following table summarizes revenue by product type:

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
	(in thousands)				(in thousands)
Core	$	689	$	4,029	$	1,158	$	9,138
Wafer		1,830		1,742		4,175		3,633
Optical		904		1,191		2,280		2,959
Research & development		112		144		209		286
Total revenue	$	3,535	$	7,106	$	7,822	$	16,016

The following table summarizes assets by geographic region:

	June 30, 2016		December 31, 2015
	(in thousands)
United States	$	75,040	$	88,916
Malaysia		28,491		30,276
Other		48		50
Total assets	$	103,579	$	119,242