Warrants (Tables)
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6 Months Ended |
Jun. 30, 2018 |
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| Warrants [Abstract] |
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| Summary Of Changes In Warrants Outstanding During The Period |
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2018
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2017
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Number of warrants
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Weighted average exercise price
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Number of warrants
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Weighted average exercise price
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Balance, January 1
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7,099,609
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$
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4.55
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5,452,691
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$
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4.92
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Issued during the period
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-
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$
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-
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1,696,970
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$
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4.01
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Exercised during the period
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-
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$
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-
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(1,861,195)
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$
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3.51
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Expired during the period
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-
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$
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-
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-
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$
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-
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Balance, June 30
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7,099,609
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$
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4.55
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5,288,466
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$
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5.13
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| Schedule Of Fair Value Of Warrants Issued |
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Fair Value as of:
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Warrant Issuance:
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June 30, 2018
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December 31, 2017
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July 2013 Investor Warrants
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$
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-
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$
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8,762
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October 2013 Investor Warrants
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-
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26,288
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January 2014 Investor Warrants
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-
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29,257
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November 2015 Investor Warrants
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405,249
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1,260,050
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November 2015 Placement Agent Warrants
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802
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2,936
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March 2016 Investor Warrants
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257,519
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697,554
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September 2016 Investor Warrants
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482,598
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1,054,083
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June 2017 Investor Warrants
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880,653
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1,981,864
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June 2017 Placement Agent Warrants
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93,251
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221,591
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October 2017 Investor Warrants
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1,144,975
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2,305,552
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October 2017 Placement Agent Warrants
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126,392
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265,698
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Total:
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$
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3,391,439
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$
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7,853,635
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| Summary Of Shares Indexed To The Warrants |
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Number of Shares indexed as of:
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Warrant Issuance
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June 30, 2018
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December 31, 2017
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July 2013 Investor Warrants
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200,000
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200,000
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October 2013 Investor Warrants
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231,732
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231,732
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January 2014 Investor Warrants
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476,193
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476,193
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November 2015 Investor Warrants
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1,250,001
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1,250,001
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November 2015 Placement Agent Warrants
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3,334
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3,334
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March 2016 Investor Warrants
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607,806
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607,806
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September 2016 Investor Warrants
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805,000
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805,000
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June 2017 Investor Warrants
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1,515,152
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1,515,152
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June 2017 Placement Agent Warrants
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181,818
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181,818
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October 2017 Investor Warrants
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1,632,654
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1,632,654
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October 2017 Placement Agent Warrants
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195,919
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195,919
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Total:
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7,099,609
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7,099,609
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| Schedule Of Assumptions Used In Calculating Fair Value Of Warrants |
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June 30, 2018
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December 31, 2017
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Trading market prices
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$
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1.41
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$
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2.02
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Estimated future volatility
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102
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%
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104
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%
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Dividend
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-
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-
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Estimated future risk-free rate
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2.76-2.87
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%
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2.14-2.45
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%
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Equivalent volatility
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37-83
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%
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85-104
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%
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Equivalent risk-free rate
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0.68-2.46
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%
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1.30-1.89
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%
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| Schedule Of Unrealized Gain/(Loss) On Fair Value Of Warrants |
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For the Three Months Ended
June 30,
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For the Six Months Ended
June 30,
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2018
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2017
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2018
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2017
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Expired and Fully Exercised Warrants
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$
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-
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$
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(47,413)
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$
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-
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$
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(862,316)
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July 2013 Investor Warrants
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-
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368,332
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8,762
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(181,048)
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October 2013 Investor Warrants
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6
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438,919
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26,288
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(238,291)
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January 2014 Investor Warrants
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20
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778,762
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29,257
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(303,048)
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November 2015 Investor Warrants
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213,847
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2,017,712
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854,801
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(2,102,038)
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November 2015 Placement Agent Warrants
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556
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(96,560)
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2,134
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(368,385)
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March 2016 Investor Warrants
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112,581
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702,730
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440,035
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(3,229,781)
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September 2016 Investor Warrants
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137,110
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928,592
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571,485
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(5,313,599)
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June 2017 Investor Warrants
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278,040
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383,409
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1,101,211
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383,409
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June 2017 Placement Agent Warrants
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31,031
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46,766
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128,340
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46,766
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October 2017 Investor Warrants
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288,231
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-
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1,160,577
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-
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October 2017 Placement Agent Warrants
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34,278
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-
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139,306
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-
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Total:
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$
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1,095,700
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$
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5,521,249
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$
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4,462,196
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$
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(12,168,331)
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