Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2014 Customer Segment	Mar. 31, 2013 Customer	Dec. 31, 2013 Customer
Revenue, Major Customer [Line Items]
Number of operating segments	1
Impairment of goodwill	$ 0
Intangible asset impairment charges	$ 0
Percentage of likelihood of fair value of reporting unit	50.00%
Weighted average useful lives of acquired technology intangible assets	8 years
Number of customers representing more than 10% of revenue	0	0
Minimum percentage of revenue or gross accounts receivable balance required to be significant customer	10.00%	10.00%	10.00%
Number of customers representing greater than 10% of gross accounts receivable	0		0
Minimum [Member]
Revenue, Major Customer [Line Items]
Estimated useful lives of intangible assets	7 years
Maximum [Member]
Revenue, Major Customer [Line Items]
Estimated useful lives of intangible assets	10 years

Minimum percentage of revenue or gross accounts receivable required to be significant customers.

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Number of customers that represent more than 10% of gross accounts receivable (before any allowance).

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Number of customers that represent more than 10% of the Company's total revenue.

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Percentage Of Likelihood That Fair Value Of Reporting Unit Is Less Than Its Carrying Amount

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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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.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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