Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

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

	Three Months Ended
	March 31,
	2018		2017
Revenue
Software-Systems	$	11,148	$	10,149
Hardware Solutions	15,042		27,461
Total revenues	$	26,190	$	37,610

	Three Months Ended
	March 31,
	2018			2017
Gross margin
Software-Systems	$	5,486		$	5,465
Hardware Solutions	3,107			4,781
Corporate and other	(1,625		)	(2,024		)
Total gross margin	$	6,968		$	8,222

	Three Months Ended
	March 31,
	2018			2017
Income (loss) from operations
Software-Systems	$	(3,121	)	$	(3,273	)
Hardware Solutions	1,008			(1,286		)
Corporate and other	(3,708		)	(4,576		)
Total loss from operations	$	(5,821	)	$	(9,135	)

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

	Three Months Ended
	March 31,
	2018		2017
United States	$	8,621	$	23,152
Other North America	152		19
Asia Pacific ("APAC")	5,202		5,419
Netherlands	7,704		5,223
Other EMEA	4,511		3,797
Europe, the Middle East and Africa (“EMEA”)	12,215		9,020
Foreign Countries	17,569		14,458
Total	$	26,190	$	37,610

	Three Months Ended
	March 31,
	2018		2017
United States	$	8,621	$	23,152
Other North America	152		19
Asia Pacific ("APAC")	5,202		5,419
Netherlands	7,704		5,223
Other EMEA	4,511		3,797
Europe, the Middle East and Africa (“EMEA”)	12,215		9,020
Foreign Countries	17,569		14,458
Total	$	26,190	$	37,610

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

	March 31, 2018		December 31, 2017
Property and equipment, net
United States	$	2,699	$	2,974
Other North America	19		33
China	74		163
India	1,339		1,558
Total APAC	1,413		1,721
Foreign Countries	1,432		1,754
Total property and equipment, net	$	4,131	$	4,728
Intangible assets, net
United States	$	4,737	$	6,862
Total intangible assets, net	$	4,737	$	6,862

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
	March 31,
	2018		2017
Customer A	40.7	%	15.0	%
Customer C	12.5	%	N/A
Customer D	N/A		41.2	%

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

The following customers accounted for more than 10% of accounts receivable:
	March 31, 2018		December 31, 2017
Customer A	33.4	%	19.1	%
Customer B	21.5	%	18.7	%
Customer C	15.1	%	14.5	%