Segment Information

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Segment Information

4. 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 September 30,				Nine months ended September 30,
	2016		2015		2016		2015
	(in thousands)				(in thousands)
Germany	$	5,409	$	1,629	$	8,396	$	3,270
United States		911		1,332		2,717		3,853
Korea		414		1,267		1,478		3,254
Canada		114		—		537		518
Australia		91		300		503		715
Israel		63		104		355		718
Taiwan		38		305		847		3,218
China		5		320		8		5,484
Other		41		89		67		332
Total revenue	$	7,086	$	5,346	$	14,908	$	21,362

The following table summarizes revenue by product type:

	Three months ended September 30,				Nine months ended September 30,
	2016		2015		2016		2015
	(in thousands)				(in thousands)
Core	$	424	$	1,824	$	1,514	$	10,962
Wafer		5,507		2,136		9,683		5,769
Optical		1,075		1,116		3,422		4,075
Research & development		80		270		289		556
Total revenue	$	7,086	$	5,346	$	14,908	$	21,362

The following table summarizes assets by geographic region:

	September 30, 2016		December 31, 2015
	(in thousands)
United States	$	61,148	$	88,916
Malaysia		16,531		30,276
Other		41		50
Total assets	$	77,720	$	119,242