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Fair Value Measurements - Additional Information (Details)
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Mar. 31, 2014
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Feb. 28, 2014
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Preferred Stock
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| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Outstanding warrants exercisable | 2,344,731 | |
| Outstanding warrants exercisable to preferred shares | 0 | |
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Common Stock
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| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Outstanding warrants exercisable | 159,834 |
| X | ||||||||||
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- Definition
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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