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Financial Instruments that Were Not Included in Diluted Loss Per Share Calculation (Detail)
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9 Months Ended |
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Sep. 30, 2013
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |
| Excluded potentially dilutive securities | 18,624,308 |
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Employee Stock Option [Member]
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |
| Excluded potentially dilutive securities | 200,000 |
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Warrant [Member]
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |
| Excluded potentially dilutive securities | 1,980,308 |
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Restricted Stock [Member]
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|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |
| Excluded potentially dilutive securities | 1,445,000 |
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Convertible Preferred Stock [Member]
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |
| Excluded potentially dilutive securities | 14,999,000 |