Patents and Licensed Technologies, net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Patents and licensed technologies, net	$ 7,003		$ 7,247
Estimated amortization expense [Abstract]
Patents and licensed technologies, net	7,003		7,247
Core Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Patents and licensed technologies, gross	5,974		5,974
Product Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Patents and licensed technologies, gross	2,000		2,000
Patents and Licensed Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Patents and licensed technologies, gross	7,974		7,974
Accumulated amortization	(971)		(727)
Patents and licensed technologies, net	7,003		7,247
Amortization expense	244	$ 1
Estimated amortization expense [Abstract]
Remaining 2016	731
2017	975
2018	975
2019	975
2020	775
Thereafter	2,572
Patents and licensed technologies, net	$ 7,003		$ 7,247

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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