Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,005	$ 7,330
Accumulated Amortization	5,130	4,230
Impairment loss on technology platform		1,065
Net book value of amortizable intangible assets	875	2,035
Technology platform [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,865	4,190
Accumulated Amortization	2,568	2,433
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,460	2,460
Accumulated Amortization	2,093	1,404
Trademarks and trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	680	680
Accumulated Amortization	$ 469	$ 393

Impairment loss on technology platform.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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