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Fair Value Hierarchy Fair Value Hierarchy (Financial Liabilities measured at fair value on a recurring basis) (Details) (USD $)
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Sep. 30, 2013
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Dec. 31, 2012
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Derivative liabilities related to warrants | $ 7,675,446 | $ 0 |
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Recurring [Member] | Significant other observable Inputs, Level 2 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Derivative liabilities related to warrants | 7,675,446 | |
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Recurring [Member] | Significant Unobservable Inputs, Level 3 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Montaur notes payable | 4,550,104 | |
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Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Montaur notes payable | 4,550,104 | |
| Derivative liabilities related to warrants | $ 7,675,446 |