Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Revenue from External Customers by Products and Services

	2013		2012		2011
ATCA	$	116,537	$	136,572	$	132,530
Software-Solutions	44,934		52,666		36,938
COM Express and Rackmount Server	56,019		49,538		56,848
Other Products	20,373		47,320		104,549
Total revenues	237,863		286,096		330,865

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

	For the Years Ended December 31,
	2013		2012		2011
United States	$	100,780	$	105,858	$	105,671
Other North America	3,042		3,310		1,371
China	29,818		45,419		69,503
Japan	30,724		39,435		29,337
Other APAC	20,988		31,695		45,125
Total APAC	81,530		116,549		143,965
Germany	11,770		18,580		39,266
Other EMEA	40,741		41,799		40,592
Total EMEA	52,511		60,379		79,858
Foreign Countries	137,083		180,238		225,194
Total revenues	$	237,863	$	286,096	$	330,865

	For the Years Ended December 31,
	2013		2012
Property and equipment, net
United States	$	7,421	$	8,572
Other North America	942		953
China	3,396		4,685
Other APAC	185		358
Total APAC	3,581		5,043
India	2,893		3,110
Other EMEA	17		35
Total EMEA	2,910		3,145
Foreign Countries	7,433		9,141
Total property and equipment, net	$	14,854	$	17,713
Intangible assets, net
United States	$	56,474	$	68,903
Other North America	36		211
EMEA	—		1,170
Foreign Countries	36		1,381
Total intangible assets, net	$	56,510	$	70,284

Schedule of Revenue by Major Customers by Reporting Segments

	2013	2012	2011
Nokia Solutions and Networks	18.7%	22.5%	35.1	%
NEC	NA	11.1%	NA

Schedules of Concentration of Risk, by Risk Factor

	2013	2012
Nokia Solutions and Networks	20.7%	24.7%