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Other Intangible Assets, Other than Goodwill (Tables)

12 Months Ended

Dec. 31, 2017

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		December 31, 2016
		Gross  carrying  amount			Weighted  average  amortization period		Accumulated amortization
					(in thousands)
Amortized intangible assets:
Technology		$	6,889		7 years			3,771
Patents			100		15 years			48
Total		$	6,989					3,819

		December 31, 2017
		Gross  carrying  amount			Weighted average amortization period		Accumulated  amortization
					(in thousands)
Amortized intangible assets:
Technology		$	6,889		7 years			4,756
Patents			100		15 years			54
Total		$	6,989					4,810

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- References

No definition available.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ 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)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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