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Fair Value of Warrants - Additional Information (Detail) (USD $)
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Jun. 30, 2014
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Dec. 31, 2013
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| Class of Warrant or Right [Line Items] | ||
| Fair value of warrants issue price | $ 11.30 | $ 13.78 |
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Minimum [Member]
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| Class of Warrant or Right [Line Items] | ||
| Fair value of stock prices in computing fair value for warrants exercised | $ 15.20 | |
| Fair value of stock prices in computing fair value for warrants issued | $ 9.60 | |
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Maximum [Member]
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| Class of Warrant or Right [Line Items] | ||
| Fair value of stock prices in computing fair value for warrants exercised | $ 19.86 | |
| Fair value of stock prices in computing fair value for warrants issued | $ 9.96 |
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- Definition
Assumptions Used In Determining Fair Value Of Warrants Common Stock Price No definition available.
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- Definition
Stock Prices Used In Computing The Fair Value Of Warrants Exercised No definition available.
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- Details
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- Definition
Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. No definition available.
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