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Warrants (Details) - Reconciliation of the warrant liability measured at fair value using Level 3 inputs (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
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Dec. 31, 2012
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| Warrants (Details) - Reconciliation of the warrant liability measured at fair value using Level 3 inputs [Line Items] | ||
| Balance at beginning of period | $ 10 | |
| Re-measurement of common stock warrants | (180) | 90 |
| Balance at end of period | 939 | 10 |
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Warrant [Member] | Fair Value, Inputs, Level 3 [Member]
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| Warrants (Details) - Reconciliation of the warrant liability measured at fair value using Level 3 inputs [Line Items] | ||
| Balance at beginning of period | 10 | 100 |
| Issuance of common stock warrants | 749 | |
| Re-measurement of common stock warrants | 180 | (90) |
| Balance at end of period | $ 939 | $ 10 |