UNITED STATES                 OMB APPROVAL
                     SECURITIES AND EXCHANGE COMMISSION       OMB Number:
                                                              3235-0145
                           Washington, D.C. 20549             Expires: December
                                                              31, 2005
                               SCHEDULE 13G/A                 Estimated average
                               (Rule 13d-102)                 burden hours per
                                                              response. . 11



             Information Statement Pursuant to Rules 13d-1 and 13d-2
                    Under the Securities Exchange Act of 1934

                             Insignia Systems, Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    45765Y105
                                 (CUSIP Number)

                                February 27, 2006
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

   [   ]   Rule 13d-1(b)
   [ X ]   Rule 13d-1(c)
   [   ]   Rule 13d-1(d)


The information required on 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).





CUSIP No.  45765Y105

     1.     Names of Reporting Persons. I.R.S. Identification Nos. of above
            persons (entities only)

              Potomac Capital Management LLC
              13-3984298

     2.     Check the Appropriate Box if a Member of a Group (See Instructions)
            (a)     [  ]
            (b)     [  ]

     3.     SEC Use Only

     4.     Citizenship or Place of Organization

              New York

Number of          5.   Sole Voting Power
Shares                  0
Beneficially
Owned by           6.   Shared Voting Power
Each                    880,300 shares of Common Stock
Reporting
Person With        7.   Sole Dispositive Power
                        0

                   8.   Shared Dispositive Power
                        880,300 shares of Common Stock


     9.     Aggregate Amount Beneficially Owned by Each Reporting Person

              880,300 shares of Common Stock

     10.    Check if the Aggregate Amount in Row (9) Excludes Certain Shares
            (See Instructions)  [     ]

     11.    Percent of Class Represented by Amount in Row (9)

              5.87%

     12.    Type of Reporting Person (See Instructions)

              HC; OO (Limited Liability Corporation)






                                        2




 CUSIP No.  45765Y105

     1.     Names of Reporting Persons. I.R.S. Identification Nos. of above
            persons (entities only)

              Potomac Capital Management Inc.
              13-3984786

     2.     Check the Appropriate Box if a Member of a Group (See Instructions)
            (a)     [  ]
            (b)     [  ]

     3.     SEC Use Only

     4.     Citizenship or Place of Organization

              New York

Number of          5.   Sole Voting Power
Shares                  0
Beneficially
Owned by           6.   Shared Voting Power
Each                    880,300 shares of Common Stock
Reporting
Person With        7.   Sole Dispositive Power
                        0

                   8.   Shared Dispositive Power
                        880,300 shares of Common Stock


     9.     Aggregate Amount Beneficially Owned by Each Reporting Person

              880,300 shares of Common Stock

     10.    Check if the Aggregate Amount in Row (9) Excludes Certain Shares
            (See Instructions)  [     ]

     11.    Percent of Class Represented by Amount in Row (9)

              5.87%

     12.    Type of Reporting Person (See Instructions)

              HC; CO



                                        3



CUSIP No. 45765Y105

     1.     Names of Reporting Persons. I.R.S. Identification Nos. of above
            persons (entities only)

              Paul J. Solit

     2.     Check the Appropriate Box if a Member of a Group (See Instructions)
            (a)     [  ]
            (b)     [  ]

     3.     SEC Use Only

     4.     Citizenship or Place of Organization

              U.S.

Number of          5.   Sole Voting Power
Shares                  0
Beneficially
Owned by           6.   Shared Voting Power
Each                    880,300 shares of Common Stock
Reporting
Person With        7.   Sole Dispositive Power
                        0

                   8.   Shared Dispositive Power
                        880,300 shares of Common Stock

     9.     Aggregate Amount Beneficially Owned by Each Reporting Person

              880,300 shares of Common Stock

     10.    Check if the Aggregate Amount in Row (9) Excludes Certain Shares
            (See Instructions)  [ ]

     11.    Percent of Class Represented by Amount in Row (9)

              5.87%

     12.    Type of Reporting Person (See Instructions)

              IN; HC




                                        4




Item 1.
           (a)  Name of Issuer

                Insignia Systems, Inc.

           (b)  Address of Issuer's Principal Executive Offices
                6470 Sycamore Court North
                Maple Grove, MN 55367

Item 2.
           (a)  Name of Person Filing

                This statement is being filed by (i) Potomac Capital
                Management LLC; (ii) Potomac Capital Management Inc.; and
                (iii) Paul J. Solit

           (b)  Address of Principal Business Office or, if none, Residence

                (i), (ii), and (iii)

                825 Third Avenue,
                33rd Floor
                New York, New York 10022

           (c)  Citizenship

                (i) New York
                (ii) New York
                (iii) U.S.

           (d)   Title of Class of Securities

                 Common Stock, par value $0.01 per share

           (e)   CUSIP Number

                 45765Y105

Item 3.    Not Applicable


Item 4.    Ownership
Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.

           Potomac Capital Management LLC
           Potomac Capital Management Inc.
           Paul J. Solit

           (a)  Amount beneficially owned:    880,300 shares of Common Stock
           (b)  Percent of class:    5.87%
           (c)  Number of shares as to which the person has:
               (i)   Sole power to vote or to direct the vote   0
               (ii)  Shared power to vote or to direct the vote 880,300 shares
                                                                of Common Stock.
               (iii) Sole power to dispose or to direct the
                     disposition of                             0
               (iv)  Shared power to dispose or to direct the
                     disposition of                             880,300 shares
                                                                of Common Stock.


                                        5





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 Persons have ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [X]


Item 6.      Ownership of More than Five Percent on Behalf of Another Person

             Not Applicable.

Item 7.      Identification and Classification of the Subsidiary Which Acquired
             the Security Being Reported on By the Parent Holding Company or
             Control Person

             See Exhibit A attached hereto.

Item 8.      Identification and Classification of Members of the Group

             Not Applicable.

Item 9.      Notice of Dissolution of Group

             Not Applicable.

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.



                                       6



                                    Signature

After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.


Dated this 27th day of February, 2006





                                         POTOMAC CAPITAL MANAGEMENT LLC

                                         By:   /s/ Paul J. Solit
                                               ------------------------------
                                               Paul J. Solit, Managing Member

                                         POTOMAC CAPITAL MANAGEMENT INC.

                                         By:   /s/ Paul J. Solit
                                               ------------------------------
                                               Paul J. Solit, President


                                         PAUL J. SOLIT

                                         By:   /s/ Paul J. Solit
                                               ------------------------------
                                               Paul J. Solit




EXHIBIT INDEX

The following exhibits are filed with this report on Schedule 13G/A:

Exhibit A  Identification of entities which acquired the shares which are the
           subject of this report on Schedule 13G/A

Exhibit B  Joint Filing Agreement dated February 27, 2006 among Potomac Capital
           Management LLC, Potomac Capital Management, Inc. and Paul J. Solit