Fair Value Measurements - Summary of Estimated Fair Value Assumptions of Contingent Warrant Liabilities (Details) - Warrant Liabilities [Member] |
12 Months Ended | |
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Dec. 31, 2016 |
Dec. 31, 2015 |
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| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||
| Expected volatility | 64.00% | |
| Risk-free interest rate | 0.51% | |
| Expected term (in years) | 2 months 9 days | |
| Minimum [Member] | ||
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||
| Expected volatility | 166.00% | |
| Risk-free interest rate | 0.64% | |
| Expected term (in years) | 11 months 9 days | |
| Maximum [Member] | ||
| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||
| Expected volatility | 183.00% | |
| Risk-free interest rate | 0.74% | |
| Expected term (in years) | 1 year 2 months 9 days | |
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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 Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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