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Derivative Liability and Fair Value Measurement (Additional Information) (Detail) (USD $)
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0 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | ||||||
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Aug. 05, 2013
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Jul. 15, 2013
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Mar. 21, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Additional Warrants [Member]
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Sep. 21, 2013
Public Equity Offering [Member]
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Dec. 31, 2013
Public Equity Offering [Member]
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Aug. 05, 2013
Public Equity Offering [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||||||
| Embedded Derivative, Fair Value of Embedded Derivative Liability | $ 200,000 | $ 800,000 | ||||||||
| Debt Conversion, Converted Instrument, Warrants or Options Issued | 6,004,288 | 38,168 | 186,480 | |||||||
| Derivative Liability | 9,067,283 | 12,035,816 | 526,245 | |||||||
| Derivative, Loss on Derivative | $ 3,575,278 | $ 0 | ||||||||
| Derivative Liability For The Warrants To Purchase | 4,025,000 | 127,717 | ||||||||
| Exercise Price Adjustment Feature Expired Warrants | 102,357 | |||||||||
| Derivative Liability For The Warrants To Purchase Outstanding | 7,147,775 | 656,641 | 867,628 | 25,360 | ||||||
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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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- Definition
Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of warrant cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements. No definition available.
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