Segment Information

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Segment Information

2. SEGMENT INFORMATION

The Company has determined that it operates in only one 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:

	Year Ended December 31,
	2014		2013		2012
	(in thousands)
China	$	19,857	$	14,844	$	3,839
Taiwan		9,843		7,361		5,663
United States		5,452		4,444		11,104
Korea		5,001		2,214		19,862
Japan		1,517		309		2,999
Australia		716		10,368		12,494
France		13		122		8,482
Israel		1,169		455		863
Germany		925		436		553
Canada		976		337		554
Other		216		623		830
Revenue	$	45,685	$	41,513	$	67,243

The following table summarizes sales by product type:

	Year Ended December 31,
	2014		2013		2012
	(in thousands)
Core	$	29,862	$	23,294	$	9,755
Wafer		8,077		12,239		50,542
Optical		7,057		4,523		5,723
Research & Development		689		1,457		1,223
Revenue	$	45,685	$	41,513	$	67,243

The following table summarizes assets by geographic region:

	As of December 31,
	2014		2013
	(in thousands)
United States	$	156,105	$	157,572
Malaysia		38,765		45,086
Other		36		37
Total Assets	$	194,906	$	202,695