Summary of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Gross Carrying Amount	$ 6,161
Total intangible assets, Accumulated Amortization	649
Total intangible assets, Net	5,512us-gaap_FiniteLivedIntangibleAssetsNet
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Weighted Average Amortization Period (Years)	4 years 6 months
Total intangible assets, Gross Carrying Amount	272
Total intangible assets, Accumulated Amortization	30
Total intangible assets, Net	242
Customer backlog
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Weighted Average Amortization Period (Years)	1 year 6 months
Total intangible assets, Gross Carrying Amount	93
Total intangible assets, Accumulated Amortization	31
Total intangible assets, Net	62
Core technologies
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Weighted Average Amortization Period (Years)	5 years 1 month 6 days
Total intangible assets, Gross Carrying Amount	5,796
Total intangible assets, Accumulated Amortization	588
Total intangible assets, Net	$ 5,208

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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