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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended			0 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2011	Mar. 31, 2009	Apr. 30, 2009 Trade name [Member]	Mar. 31, 2009 Trade name [Member]	Mar. 31, 2014 Trade name [Member]	Mar. 31, 2009 In-process research and development [Member]	Mar. 31, 2014 In-process research and development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Aggregate purchase price			$ 5,135,000
Minimum expiration year of intangible assets								2027
Impairment amount of intangible asset		655,000
Useful life	12 years 2 months 12 days			15 years	15 years	15 years
Amortization expense	$ 75,000

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Business Acquisition Cost Of Acquired Entity Purchase Price Net

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Impairments Of Intangible Asset Finite Lived

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- Definition

Minimum Expiration Year Of Intangible Assets

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- Definition

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

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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.

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

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