Check the appropriate box to designate
the rule pursuant to which this Schedule is filed:
*The remainder of this cover page shall
be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for
any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder
of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of
1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions
of the Act (however, see the Notes).
1.
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Names of Reporting Persons.
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Mitchell P. Kopin
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2.
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) ☐
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(b) ☐
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3.
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SEC Use Only
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4.
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Citizenship or Place of Organization
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United States of America
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Number of
Shares Beneficially
Owned by Each
Reporting
Person With:
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5.
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Sole Voting Power
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37,000
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6.
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Shared Voting Power
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4,001,516
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7.
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Sole Dispositive Power
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37,000
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8.
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Shared Dispositive Power
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4,001,516
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9.
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Aggregate Amount Beneficially Owned by Each Reporting Person
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4,038,516 (see Item 4)
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10.
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ☐
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11.
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Percent of Class Represented by Amount in Row (9)
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3.7% (see Item 4)
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12.
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Type of Reporting Person (See Instructions)
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IN; HC
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1.
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Names of Reporting Persons.
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Daniel B. Asher
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2.
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) ☐
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(b) ☐
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3.
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SEC Use Only
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4.
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Citizenship or Place of Organization
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United States of America
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Number of
Shares Beneficially
Owned by Each
Reporting
Person With:
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5.
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Sole Voting Power
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0
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6.
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Shared Voting Power
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4,001,516
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7.
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Sole Dispositive Power
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0
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8.
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Shared Dispositive Power
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4,001,516
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9.
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Aggregate Amount Beneficially Owned by Each Reporting Person
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4,001,516 (see Item 4)
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10.
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ☐
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11.
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Percent of Class Represented by Amount in Row (9)
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3.7% (see Item 4)
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12.
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Type of Reporting Person (See Instructions)
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IN; HC
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1.
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Names of Reporting Persons.
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Intracoastal Capital LLC
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2.
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a) ☐
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(b) ☐
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3.
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SEC Use Only
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4.
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Citizenship or Place of Organization
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Delaware
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Number of
Shares Beneficially
Owned by Each
Reporting
Person With:
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5.
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Sole Voting Power
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0
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6.
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Shared Voting Power
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4,001,516
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7.
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Sole Dispositive Power
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0
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8.
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Shared Dispositive Power
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4,001,516
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9.
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Aggregate Amount Beneficially Owned by Each Reporting Person
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4,001,516 (see Item 4)
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10.
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ☐
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11.
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Percent of Class Represented by Amount in Row (9)
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3.7% (see Item 4)
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12.
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Type of Reporting Person (See Instructions)
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OO
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This Amendment No. 2
is being filed jointly by the Reporting Persons and amends the Schedule 13G initially filed by the Reporting Persons with the Securities
and Exchange Commission (the “SEC”) on December 28, 2020, as amended by Amendment No. 1 thereto filed by the Reporting
Persons with the SEC on January 29, 2021 (the “Schedule 13G”).
Except as set forth below, all Items of the Schedule 13G remain
unchanged. All capitalized terms not otherwise defined herein shall have the meanings ascribed to such terms in the Schedule 13G.
Item
4. Ownership.
(a) and (b):
(i) As
of the close of business on December 31, 2021, each of Mr. Asher and Intracoastal may have been deemed to have beneficial ownership of
4,001,516 shares of Common Stock, which consisted of (i) 300 shares of Common Stock held
by Intracoastal, (ii) 1,991,177 shares of Common Stock issuable upon exercise of a warrant held by Intracoastal (“Intracoastal
Warrant 1”), (iii) 1,058,201 shares of Common Stock issuable upon exercise of a second warrant held by Intracoastal (“Intracoastal
Warrant 2”) and (iv) 951,838 shares of Common Stock issuable upon exercise of a third warrant held by Intracoastal (“Intracoastal
Warrant 3”), and all such shares of Common Stock represented beneficial ownership of approximately 3.7% of the Common Stock,
based on (1) 105,662,421 shares of Common Stock outstanding as of November 5, 2021 as reported by the Issuer, plus (2) 1,991,177 shares
of Common Stock issuable upon exercise of Intracoastal Warrant 1, (3) 1,058,201 shares of Common Stock issuable upon exercise of Intracoastal
Warrant 2 and (4) 951,838 shares of Common Stock issuable upon exercise of Intracoastal Warrant 3.
(ii) As
of the close of business on December 31, 2021, Mr. Kopin may have been deemed to have beneficial ownership of 4,038,516 shares of Common
Stock, which consisted of (i) 300 shares of Common Stock held by Intracoastal, (ii) 37,000
shares of Common Stock held by Mr. Kopin, (iii) 1,991,177 shares of Common Stock issuable upon exercise of Intracoastal Warrant 1, (iv)
1,058,201 shares of Common Stock issuable upon exercise of Intracoastal Warrant 2 and (v) 951,838 shares of Common Stock issuable upon
exercise of Intracoastal Warrant 3, and all such shares of Common Stock represented beneficial ownership of approximately 3.7% of the
Common Stock, based on (1) 105,662,421 shares of Common Stock outstanding as of November 5, 2021 as reported by the Issuer, plus (2) 1,991,177
shares of Common Stock issuable upon exercise of Intracoastal Warrant 1, (3) 1,058,201 shares of Common Stock issuable upon exercise of
Intracoastal Warrant 2 and (4) 951,838 shares of Common Stock issuable upon exercise of Intracoastal Warrant 3.
(c)(i) Number of shares as to which each of Mr.
Asher and Intracoastal has:
(i) Sole power to vote or to direct the vote: 0.
(ii) Shared power to vote or to direct the vote:
4,001,516.
(iii) Sole power to dispose or to direct the disposition
of 0.
(iv) Shared power to dispose or to direct the disposition
of 4,001,516.
(c)(ii) Number of shares as to which Mr. Kopin
has:
(i) Sole power to vote or to direct the vote: 37,000.
(ii) Shared power to vote or to direct the vote:
4,001,516.
(iii) Sole power to dispose or to direct the disposition
of 37,000.
(iv) Shared power to dispose or to direct the disposition
of 4,001,516.
Item
5. Ownership of Five Percent or Less of a Class
If this statement is being
filed to report the fact that as of the date hereof the reporting person has ceased to be
the beneficial owner of more than 5 percent of the class of securities, check the following þ.
Item 10. Certification
By signing below I certify
that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or
with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination
under §240.14a-11.
SIGNATURE
After reasonable inquiry
and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Date: February 11, 2022
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/s/ Mitchell P. Kopin
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Mitchell P. Kopin
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/s/ Daniel B. Asher
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Daniel B. Asher
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Intracoastal Capital LLC
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By:
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/s/ Mitchell P. Kopin
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Mitchell P. Kopin, Manager
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