Segment Information

3 Months Ended

Mar. 31, 2015

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 March 31,
	2015		2014
	(in thousands)
China	$	3,351	$	6,450
Taiwan		1,701		3,764
United States		1,523		1,370
Korea		725		1,896
Other		1,610		788
Revenue	$	8,910	$	14,268

The following table summarizes revenue by product type:

	Three months ended March 31,
	2015		2014
	(in thousands)
Core	$	5,109	$	11,355
Wafer		1,891		1,095
Optical		1,769		1,638
Research & Development		141		125
Other		—		55
Revenue	$	8,910	$	14,268

The following table summarizes assets by geographic region:

	March 31, 2015		December 31, 2014
	(in thousands)
United States	$	146,828	$	156,105
Malaysia		38,796		38,765
Other		26		36
Total Assets	$	185,650	$	194,906