Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Schedule Of Goodwill And Other Intangible Asset [Line Items]
Estimated useful life of the acquired intangible assets	5 years 10 months 24 days
Amortization expense	$ 0.2
Trade Names [Member]
Schedule Of Goodwill And Other Intangible Asset [Line Items]
Estimated useful life of the acquired intangible assets	3 years
Developed Technology & Patents [Member]
Schedule Of Goodwill And Other Intangible Asset [Line Items]
Estimated useful life of the acquired intangible assets	7 years
Customer Relationships [Member]
Schedule Of Goodwill And Other Intangible Asset [Line Items]
Estimated useful life of the acquired intangible assets	7 years