Segment Information Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ (2,024)	$ (6,695)	$ (7,845)	$ (15,830)
Gross Profit	9,152	10,008	16,120	18,230
Revenues	24,413	35,093	50,603	72,703
Operating Segments [Member] \| Software-Systems [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	923	(1,943)	(2,198)	(5,216)
Gross Profit	8,823	6,243	14,309	11,708
Revenues	13,663	11,488	24,811	21,637
Operating Segments [Member] \| Embedded Products and Hardware Services [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	788	208	1,796	(1,078)
Gross Profit	2,242	5,732	5,349	10,513
Revenues	10,750	23,605	25,792	51,066
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	(3,735)	(4,960)	(7,443)	(9,536)
Gross Profit	$ (1,913)	$ (1,967)	$ (3,538)	$ (3,991)

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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