Investments in Privately-held Companies (Tables)

12 Months Ended

Dec. 31, 2014

Investments in Privately-held Companies [Abstract]

Our investments are summarized below (in thousands):

	Investment Balance as of
Company	December 31, 2014		December 31, 2013		Accounting Method	Ownership Percentage
Beijing JiYa Semiconductor Material Co., Ltd	$	3,331	$	3,331	Consolidated	46%
Nanjing Jin Mei Gallium Co., Ltd		592		592	Consolidated	83%
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd		1,346		1,346	Consolidated	70%
	$	5,269	$	5,269
Donghai County Dongfang High Purity Electronic Materials Co., Ltd.	$	1,723	$	1,900	Equity	46%
Xilingol Tongli Germanium Co. Ltd		5,351		4,692	Equity	25%
Emeishan Jia Mei High Purity Metals Co., Ltd		1,021		945	Equity	25%
	$	8,095	$	7,537

Summarized income information

All the minority investment entities that accounted for under the equity method had the following summarized operating information (in thousands) for the years ended December 31, 2014, 2013 and 2012, respectively.

	Years Ended December 31,						Our share for the Years Ended December 31,

	2014		2013		2012		2014		2013		2012
Net Revenue	$	47,824	$	41,257	$	32,858	$	11,887	$	10,240	$	8,091
Gross profit		21,436		13,836		11,057		5,340		3,328		2,643
Operating income		9,046		8,174		6,310		2,059		1,820		1,409
Net income		6,765		6,315		5,665		1,528		1,377		1,281

Summarized balance sheet information

All the minority investment entities that accounted for under the equity method had the following summarized balance sheet information (in thousands) as of December 31, 2014 and 2013, respectively.

	As of December 31,
	2014		2013
Current assets	$	31,482	$	22,139
Noncurrent assets		39,275		38,941
Current liabilities		19,923		15,289
Noncurrent liabilities		169		2,296