Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Goodwill and other intangible assets
Goodwill, Gross	$ 10,264us-gaap_GoodwillGross	$ 10,264us-gaap_GoodwillGross
Goodwill, Net	10,264us-gaap_Goodwill	10,264us-gaap_Goodwill
Other intangible assets, Accumulated Amortization	(8,762)	(8,432)
Total intangible assets, Gross	37,897	37,897
Total intangible assets, Net	29,135	29,465
Technology, patents and trade names
Goodwill and other intangible assets
Other intangible assets, Gross	6,494	6,494
Other intangible assets, Accumulated Amortization	(4,307)	(4,100)
Other intangible assets, Net	2,187	2,394
Amortization relating to other intangible assets
Finite-Lived Intangible Assets, Net	2,187	2,394
In-process, research and development
Goodwill and other intangible assets
Other intangible assets, Gross	15,500	15,500
Other intangible assets, Net	15,500	15,500
Amortization relating to other intangible assets
Finite-Lived Intangible Assets, Net	15,500	15,500
Customer relationships and non-compete agreements
Goodwill and other intangible assets
Other intangible assets, Gross	4,369	4,369
Other intangible assets, Accumulated Amortization	(3,185)	(3,062)
Other intangible assets, Net	1,184	1,307
Amortization relating to other intangible assets
Finite-Lived Intangible Assets, Net	1,184	1,307
Contract-based
Goodwill and other intangible assets
Other intangible assets, Gross	1,270	1,270
Other intangible assets, Accumulated Amortization	$ (1,270)	$ (1,270)

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

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