Segment Information (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Revenue
Software-Systems	$	14,601	$	14,170	$	28,660	$	23,859
Embedded Products and Hardware Services	46,687		32,879		87,774		71,877
Total revenues	$	61,288	$	47,049	$	116,434	$	95,736

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2016			2015			2016			2015
Gross margin
Software-Systems	$	9,172		$	7,945		$	17,960		$	13,273
Embedded Products and Hardware Services	8,331			6,725			14,300			16,069
Corporate and other	(2,058		)	(2,069		)	(4,031		)	(4,115		)
Total gross margin	$	15,445		$	12,601		$	28,229		$	25,227

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2016			2015			2016			2015
Income (loss) from operations
Software-Systems	$	31		$	(967	)	$	811		$	(3,869	)
Embedded Products and Hardware Services	3,681			2,373			5,008			6,330
Corporate and other	(4,644		)	(4,939		)	(9,201		)	(12,987		)
Total loss from operations	$	(932	)	$	(3,533	)	$	(3,382	)	$	(10,526	)

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,
	2016		2015		2016		2015
United States	$	44,275	$	18,472	$	82,040	$	39,644
Other North America	39		242		117		287
China	2,335		8,862		5,665		20,555
India	1,781		5,186		3,750		5,935
Other Asia Pacific	2,345		7,577		4,664		12,320
Asia Pacific ("APAC")	6,461		21,625		14,079		38,810
Netherlands	7,838		2,825		15,073		7,187
Other EMEA	2,675		3,885		5,125		9,808
Europe, the Middle East and Africa (“EMEA”)	10,513		6,710		20,198		16,995
Foreign Countries	17,013		28,577		34,394		56,092
Total	$	61,288	$	47,049	$	116,434	$	95,736

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
United States	$	44,275	$	18,472	$	82,040	$	39,644
Other North America	39		242		117		287
China	2,335		8,862		5,665		20,555
India	1,781		5,186		3,750		5,935
Other Asia Pacific	2,345		7,577		4,664		12,320
Asia Pacific ("APAC")	6,461		21,625		14,079		38,810
Netherlands	7,838		2,825		15,073		7,187
Other EMEA	2,675		3,885		5,125		9,808
Europe, the Middle East and Africa (“EMEA”)	10,513		6,710		20,198		16,995
Foreign Countries	17,013		28,577		34,394		56,092
Total	$	61,288	$	47,049	$	116,434	$	95,736

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

	June 30, 2016		December 31, 2015
Property and equipment, net
United States	$	2,747	$	3,061
Other North America	205		257
China	777		1,231
Total APAC	777		1,231
India	1,323		1,584
Other EMEA	—		1
Total EMEA	1,323		1,585
Foreign Countries	2,305		3,073
Total property and equipment, net	$	5,052	$	6,134
Intangible assets, net
United States	$	23,949	$	30,322
Total intangible assets, net	$	23,949	$	30,322

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,
	2016		2015		2016		2015
Customer A	49.6	%	N/A		46.2	%	N/A
Customer B	13.4	%	N/A		13.8	%	10.0	%
Customer C	N/A		17.7	%	N/A		22.1	%
Customer D	N/A		10.5	%	N/A		N/A
Customer F	N/A		10.5	%	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, 2016		December 31, 2015
Customer A	36.9	%	36.0	%
Customer D	11.8	%	14.7	%
Customer B	10.5	%	N/A