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Summary of Significant Accounting Policies (Details) - Valuation inputs hierarchy classification for the warrant liability measured at fair value on a recurring basis (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
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Dec. 31, 2013
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Fair Value, Inputs, Level 1 [Member]
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| Summary of Significant Accounting Policies (Details) - Valuation inputs hierarchy classification for the warrant liability measured at fair value on a recurring basis [Line Items] | ||
| Warrant liability | ||
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Fair Value, Inputs, Level 2 [Member]
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| Summary of Significant Accounting Policies (Details) - Valuation inputs hierarchy classification for the warrant liability measured at fair value on a recurring basis [Line Items] | ||
| Warrant liability | ||
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Fair Value, Inputs, Level 3 [Member]
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| Summary of Significant Accounting Policies (Details) - Valuation inputs hierarchy classification for the warrant liability measured at fair value on a recurring basis [Line Items] | ||
| Warrant liability | $ 1,647 | $ 939 |