Fair Value Measurements and Marketable Securities - Additional Information (Detail)
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9 Months Ended |
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Sep. 30, 2012
D
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Schedule of Available-for-sale Securities [Line Items] | |
Weighted average days to maturity | 157 |
Warrants to purchase outstanding common stock | 11,700,000 |
Maximum [Member]
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Schedule of Available-for-sale Securities [Line Items] | |
Available for sale securities, longest maturity date | 2013-12 |
X | ||||||||||
- Definition
Available for sale securities debt maturities Month. No definition available.
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X | ||||||||||
- Definition
Weighted Average Days To Maturity No definition available.
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X | ||||||||||
- Definition
Aggregate amount of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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