Quarterly report pursuant to Section 13 or 15(d)

Schedule of Aggregate Fair Values, Warrants (Details)

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Schedule of Aggregate Fair Values, Warrants (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Calculated aggregate value $ 2,975,061 $ 4,633,312
Weighted average exercise price per share of warrant $ 3.72 $ 3.72
Closing price per share of common stock $ 1.12 $ 1.55
Weighted average volatility 90.61% 89.80%
Weighted average remaining expected life (years) 5 years 6 months 14 days 6 years 1 month 10 days
Weighted average risk-free interest rate 1.82% 1.94%
Dividend yield 0.00% 0.00%