Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Revenue
Software-Systems	$	14,170	$	10,400	$	23,859	$	18,241
Embedded Products and Hardware Services	32,879		39,564		71,877		75,522
Total revenues	$	47,049	$	49,964	$	95,736	$	93,763

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Gross margin
Software-Systems	$	7,945		$	5,816		$	13,273		$	11,014
Embedded Products and Hardware Services	6,725			8,397			16,069			16,532
Corporate and other	(2,069		)	(2,206		)	(4,115		)	(4,391		)
Total gross margin	$	12,601		$	12,007		$	25,227		$	23,155

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Income (loss) from operations
Software-Systems	$	(967	)	$	(1,848	)	$	(3,869	)	$	(4,712	)
Embedded Products and Hardware Services	2,373			9			6,330			(819		)
Corporate and other	(4,939		)	(5,590		)	(12,987		)	(11,362		)
Total loss from operations	$	(3,533	)	$	(7,429	)	$	(10,526	)	$	(16,893	)

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
United States	$	18,472	$	19,025	$	39,644	$	34,731
Other North America	242		579		287		1,703
China	8,862		7,953		20,555		14,980
Japan	3,761		2,674		6,144		9,882
India	5,186		1,388		5,935		1,627
Other Asia Pacific	3,816		3,585		6,176		6,606
Asia Pacific ("APAC")	21,625		15,600		38,810		33,095
Netherlands	2,825		6,130		7,187		11,169
Other EMEA	3,885		8,630		9,808		13,065
Europe, the Middle East and Africa (“EMEA”)	6,710		14,760		16,995		24,234
Foreign Countries	28,577		30,939		56,092		59,032
Total	$	47,049	$	49,964	$	95,736	$	93,763

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
United States	$	18,472	$	19,025	$	39,644	$	34,731
Other North America	242		579		287		1,703
China	8,862		7,953		20,555		14,980
Japan	3,761		2,674		6,144		9,882
India	5,186		1,388		5,935		1,627
Other Asia Pacific	3,816		3,585		6,176		6,606
Asia Pacific ("APAC")	21,625		15,600		38,810		33,095
Netherlands	2,825		6,130		7,187		11,169
Other EMEA	3,885		8,630		9,808		13,065
Europe, the Middle East and Africa (“EMEA”)	6,710		14,760		16,995		24,234
Foreign Countries	28,577		30,939		56,092		59,032
Total	$	47,049	$	49,964	$	95,736	$	93,763

Long-lived assets by geographic area are as follows (in thousands):

	June 30, 2015		December 31, 2014
Property and equipment, net
United States	$	3,796	$	4,558
Other North America	377		672
China	1,609		2,427
Other APAC	2		11
Total APAC	1,611		2,438
India	1,839		2,115
Other EMEA	2		3
Total EMEA	1,841		2,118
Foreign Countries	3,829		5,228
Total property and equipment, net	$	7,625	$	9,786
Intangible assets, net
United States	$	36,730	$	43,224
Total intangible assets, net	$	36,730	$	43,224

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

The following customers accounted for more than 10% of the Company's total revenues:
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Nokia Networks	17.7	%	18.6	%	22.1	%	18.3	%
Philips Healthcare	N/A		16.0	%	10.0	%	15.1	%
NEC	N/A		N/A		N/A		10.6	%
An Asian Carrier	10.5	%	N/A		N/A		N/A
Mavenir Systems	10.5	%	N/A		N/A		N/A

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

The following customers accounted for more than 10% of accounts receivable:
	June 30, 2015		December 31, 2014
Nokia Networks	10.1	%	18.5	%
Philips Healthcare	N/A		13.9	%
An Asian Carrier	15.0	%	N/A
Sanmina SCI Corp (A)	14.6	%	N/A
Mavenir Systems	11.2	%	N/A