Warrants (Tables)
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3 Months Ended |
12 Months Ended |
Mar. 31, 2020 |
Dec. 31, 2019 |
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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Number of Warrants:
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Warrant Issuance
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December 31, 2019
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December 31, 2018
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Exercise Price
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Expiration Date
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Liability-classified Warrants
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January 2014 Investors
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-
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39,683
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$
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153.60
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Jan. 2019
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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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555,667
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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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-
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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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509,619
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Total outstanding warrants
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1,921,489
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1,065,286
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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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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, 2019
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555,667
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509,619
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1,065,286
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$
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37.52
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Issued during the period
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-
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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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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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(39,683)
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-
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(39,683)
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$
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153.60
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Balance, December 31, 2019
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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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Fair Value as of:
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Warrant Issuance:
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December 31, 2019
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December 31, 2018
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November 2015 Investors
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$
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55
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$
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234,918
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November 2015 Placement Agent
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-
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435
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March 2016 Investor
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439
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160,099
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September 2016 Investors
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3,196
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333,834
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June 2017 Investors
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11,736
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623,324
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June 2017 Placement Agent
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845
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65,149
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October 2017 Investors
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23,772
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801,551
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October 2017 Placement Agent
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1,674
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88,276
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Total:
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$
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41,717
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$
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2,307,586
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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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December 31, 2019
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December 31, 2018
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Trading market prices
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$
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1.91
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$
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11.16
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Estimated future volatility
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102
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%
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105
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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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1.57-1.72
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%
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2.35-2.53
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%
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Equivalent volatility
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85-94
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%
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99-104
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%
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Equivalent risk-free rate
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1.57-1.59
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%
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2.51-2.55
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%
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Fundamental transaction likelihood
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50
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%
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5
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%
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Fundamental transaction timing
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April 2020
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End of warrant term
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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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-
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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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$
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(58,392)
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$
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1,513,371
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For the Year Ended December 31,
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2019
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2018
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Expired Warrants
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$
|
-
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$
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64,307
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November 2015 Investors
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234,863
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1,025,132
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November 2015 Placement Agent
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435
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2,501
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March 2016 Investors
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159,660
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537,455
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September 2016 Investors
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330,638
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720,249
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June 2017 Investors
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611,588
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1,358,540
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June 2017 Placement Agent
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64,304
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156,442
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October 2017 Investors
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777,779
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1,504,001
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October 2017 Placement Agent
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86,602
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177,422
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Total:
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$
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2,265,869
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$
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5,546,049
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