Schedule of Aggregate Fair Values, Warrants (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2015 |
Dec. 31, 2014 |
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| Calculated aggregate value | $ 3,435,326 | $ 4,633,312 |
| Weighted average exercise price per share of warrant | $ 3.72 | $ 3.72 |
| Closing price per share of common stock | $ 1.24 | $ 1.55 |
| Weighted average volatility | 88.40% | 89.80% |
| Weighted average remaining expected life (years) | 5 years 9 months 14 days | 6 years 1 month 10 days |
| Weighted average risk-free interest rate | 1.65% | 1.94% |
| Dividend yield | 0.00% | 0.00% |
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- Definition Weighted average exercise price per share of warrant No definition available.
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Agreed upon price for the exchange of the underlying asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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