Warrants (Tables)
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3 Months Ended |
Mar. 31, 2020 |
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| Warrants [Abstract] |
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| Summary Of Warrants Outstanding |
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Number of Warrants:
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Warrant Issuance
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March 31, 2020
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December 31, 2019
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Exercise Price
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Expiration Date
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Liability-classified Warrants
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November 2015 Investors
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104,168
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104,168
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$
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63.60
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May 2021
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November 2015 Placement Agent
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279
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279
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$
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63.60
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Nov. 2020
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March 2016 Investors
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50,651
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50,651
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$
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50.40
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Sept. 2021
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September 2016 Investors
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67,084
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67,084
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$
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36.00
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Mar. 2022
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June 2017 Investors
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126,264
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126,264
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$
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48.00
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Dec. 2022
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June 2017 Placement Agent
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15,153
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15,153
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$
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49.50
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June 2022
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October 2017 Investors
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136,058
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136,058
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$
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34.20
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Apr. 2023
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October 2017 Placement Agent
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16,327
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16,327
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$
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36.72
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Oct. 2022
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Total liability classified warrants
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515,984
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515,984
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Equity-classified Warrants
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October 2018 Investors
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480,771
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480,771
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$
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20.04
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Apr. 2024
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October 2018 Placement Agent
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28,848
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28,848
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$
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19.50
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Oct. 2023
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January 2019 Investors
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895,886
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895,886
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$
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9.60
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Jan. 2024
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Total equity-classified warrants
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1,405,505
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1,405,505
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Total outstanding warrants
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1,921,489
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1,921,489
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| Summary Of Changes In Warrants Outstanding During The Period |
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Number of Warrants
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Liability-classified
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Equity- classified
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Total
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Weighted average exercise price
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Balance, January 1, 2020
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515,984
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1,405,505
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1,921,489
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$
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22.10
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Issued 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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Exercised 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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Expired during the period
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-
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-
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$
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-
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Balance, March 31, 2020
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515,984
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1,405,505
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1,921,489
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$
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22.10
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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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March 31, 2020
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December 31, 2019
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November 2015 Investors
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$
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971
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$
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55
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November 2015 Placement Agent
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-
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-
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March 2016 Investor
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1,240
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439
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September 2016 Investors
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14,639
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3,196
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June 2017 Investors
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30,364
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11,736
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June 2017 Placement Agent
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2,574
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845
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October 2017 Investors
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46,178
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23,772
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October 2017 Placement Agent
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4,143
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1,674
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Total:
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$
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100,109
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$
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41,717
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| Schedule Of Assumptions Used In Calculating Fair Value Of Warrants |
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March 31, 2020
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December 31, 2019
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Trading market prices
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$
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1.80
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$
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1.91
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Estimated future volatility
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100
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%
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|
102
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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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0.20-0.41
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%
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1.57-1.72
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%
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Equivalent volatility
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113-129
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%
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85-94
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%
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Equivalent risk-free rate
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0.13-0.19
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%
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1.57-1.59
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%
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Fundamental transaction likelihood
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50
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%
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50
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%
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Fundamental transaction timing
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July 2020
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April 2020
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| Schedule Of Unrealized Gain/(Loss) On Fair Value Of Warrants |
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For the Three Months Ended March 31,
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2020
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2019
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November 2015 Investors
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$
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(916)
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$
|
197,084
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November 2015 Placement Agent
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|
-
|
|
380
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March 2016 Investors
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(801)
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114,799
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September 2016 Investors
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(11,443)
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217,869
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June 2017 Investors
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(18,628)
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388,391
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June 2017 Placement Agent
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(1,729)
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41,911
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October 2017 Investors
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(22,406)
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496,501
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October 2017 Placement Agent
|
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(2,469)
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56,436
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|
Total:
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$
|
(58,392)
|
$
|
1,513,371
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