Intangible Assets - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Oct. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost and related amortization finite lived intangible assets			$ 8,535,000
Payment done to purchase technology	$ 3,750,000	$ 3,750,000
Purchased Technologies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated useful life	5 years