Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Revenues from External Customers and Long-Lived Assets [Line Items]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Information concerning principal geographic areas in which we operate is as follows (in thousands):

	Year ended December 31,
	2012		2013		2014
Net revenue:
United States	$	192,801	$	204,764	$	216,306
Europe, Middle East and Africa	14		3		—
Asia	1,733		1,798		1,359
Total net revenue	$	194,548	$	206,565	$	217,665
Long-lived assets:
United States	$	7,682	$	8,147	$	9,159
Europe, Middle East and Africa	68		15		13
Asia	—		—		—
Total long-lived assets	$	7,750	$	8,162	$	9,172

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Net revenues by segment are as follows (in thousands):

	Year ended December 31,
	2012		2013		2014
Net revenue:
Server OEM	$	143,353	$	134,798	$	115,580
Vertical Markets	51,195		71,767		102,085
Total net revenue	$	194,548	$	206,565	$	217,665

Operating income (loss) by segment, and a reconciliation to consolidated income (loss) before income taxes and discontinued operations is as follows (in thousands):

	Year ended December 31,
	2012			2013			2014
Operating income (loss):
Server OEM	$	28,718		$	33,464		$	27,091
Vertical Markets	7,858			21,781			33,587
Corporate	(46,232		)	(49,615		)	(52,375		)
Total operating income (loss)	(9,656		)	5,630			8,303
Total other income (expense), net	3			(39		)	(21		)
Income (loss) before income taxes and discontinued operations	$	(9,653	)	$	5,591		$	8,282