Fair Value Measurements - Schedule of Assumptions used in Estimating Common and Preferred Stock Warrant Liability (Details) |
12 Months Ended | |
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Dec. 31, 2015 |
Dec. 31, 2014 |
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| Fair Value Disclosures [Abstract] | ||
| Weighted-average risk free interest rate | 1.71% | 1.53% |
| Weighted-average expected life (in years) | 3 years 8 months 12 days | 4 years 8 months 12 days |
| Expected dividend yield | 0.00% | 0.00% |
| Weighted average expected volatility | 119.00% | 116.00% |
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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average expected volatility of stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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