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Intangible Assets, Net - Intangible Assets Other than Goodwill (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross amount	$ 3,123	$ 802
Accumulated amortization	(46)	(6)
Net intangible assets	$ 3,077	796
Purchased IP and Capitalized Litigation Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	10 years
Gross amount	$ 1,460	461
Accumulated amortization	(18)
Net intangible assets	1,442	461
Software Developed for Internal Use [Member]
Finite-Lived Intangible Assets [Line Items]
Gross amount	1,663	341
Accumulated amortization	(28)	(6)
Net intangible assets	$ 1,635	$ 335
Software Developed for Internal Use [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	3 years
Software Developed for Internal Use [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	10 years

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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)



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- Definition

Amount before 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



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-Name Accounting Standards Codification



-Topic 350



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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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-Name Accounting Standards Codification



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