Intangible Assets, Net - Schedule of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 49,672	$ 49,672
Accumulated Amortization	(8,403)	(7,716)
Net	41,269	41,956
Patents and Related Technologies
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	34,772	34,772
Accumulated Amortization	(8,403)	(7,716)
Net	26,369	27,056
In- Process Research and Development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,900	14,900
Net	$ 14,900	$ 14,900

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

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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

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