UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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                                  SCHEDULE 13D

                  Under the Securities and Exchange Act of 1934

                               (Amendment No. 1)*


                             Iteris Holdings, Inc.
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                                (Name of Issuer)

                Common Stock, Convertible Debenture and Warrants
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                         (Title of Class of Securities)

                                   676065204
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                                 (CUSIP Number)

                                 Sherry Tejeda
                            11150 Santa Monica Blvd
                                   Suite 750
                             Los Angeles, CA 90025
                                 (310) 966-1444
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                 (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                  May 19, 2003
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             (Date of Event which Requires Filing of This Statement)

     If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this Schedule 13D, and is filing
this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the
following box [_].

          Note: Schedules filed in paper format shall include a signed original
     and five copies of the schedule, including all exhibits. See Rule 13d-7 for
     other parties to whom copies are to be sent.

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*    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 disclosures provided in a prior cover page.

     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 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. 676065204                      13D

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1    NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     SACC Partners LP; Riley Investment Management LLC; B. Riley & Co., Inc.;
     Bryant R. Riley

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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [X]
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3 SEC USE ONLY


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4    SOURCE OF FUNDS*

        WC, PF
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5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   [_]


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6    CITIZENSHIP OR PLACE OF ORGANIZATION

        United States
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               7    SOLE VOTING POWER

  NUMBER OF
                    2,129,566
   SHARES      _________________________________________________________________
               8    SHARED VOTING POWER
BENEFICIALLY

  OWNED BY          -0-
               -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER

  REPORTING         2,129,566 in common stock, $3,500,500 in convertible
                    debentures and 221,731 in warrants
   PERSON      _________________________________________________________________
               10   SHARED DISPOSITIVE POWER
    WITH

                    -0-
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11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,129,566 in common stock, $3,500,500 in convertible debentures and 221,731
     in warrants

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12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

                                                                             [X]

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13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)


        16.65%
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14   TYPE OF REPORTING PERSON*


        PN, IA, BD, IN
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                     *SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 676065204                       13D


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Item 1.  Security and Issuer.

Common Stock, Convertible Debentures and Warrants of Iteris Holdings, Inc.
151 South Manchester Avenue
Anaheim, CA 92802

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Item 2.  Identity and Background.

(a)     SACC Partners LP (Delaware limited partnership)
        Riley Investment Management LLC (Delaware limited liability company)
        B. Riley & Co., Inc. (Delaware corporation)
        Bryant R. Riley (individual residing in California)

(b)     11100 Santa Monica Blvd.
        Suite 800
        Los Angeles, CA 90025

(c)     Mr. Riley owns all of the outstanding shares of B. Riley & Co., Inc.
        ("BRC"), an NASD member broker-dealer. Mr. Riley also manages and owns
        all of the outstanding membership interests of Riley Investment
        Management LLC ("RIM"), a California registered investment adviser. RIM
        is the investment adviser to and general partner of SACC Partners LP
        ("SACC"). Each entity is located at the address specified in (b) above.

(d)     None

(e)     None

(f)     United States

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Item 3.  Source and Amount of Funds or Other Consideration.

SACC's purchases were made with SACC partnership funds.  BRC's purchases were
made with BRC corporate funds.  Mr. Riley's purchases were made with personal
funds.

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Item 4.  Purpose of Transaction.

SACC, BRC and Mr. Riley acquired the issuer's shares for investment purposes.
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Item 5.  Interest in Securities of the Issuer.

(a)     SACC owns 1,542,866 shares of Iteris Holdings common stock, $2,500,000
        face value of a convertible debenture and 158,380 warrants. Because RIM
        has sole voting and investment power over SACC's security holdings, Mr.
        Riley, in his role as the sole manager of RIM, controls RIM's voting and
        investment decisions.

        BRC owns 371,667 shares of Iteris Holdings common stock. Because Mr.
        Riley has sole voting and investment power over BRC's security holdings,
        both BRC and Mr. Riley may be deemed to have beneficial ownership of the
        stock.

        Mr. Riley personally owns 215,333 shares of Iteris Holdings common
        stock, $680,000 face value convertible debenture and 43,079 warrants.
        Mr. Riley also controls a total of $320,000 face value convertible
        debentures and 20,272 warrants as custodian for his children; however
        Mr. Riley disclaims beneficial ownership of these particular holdings.

(b)     With respect to all of the shares that are held by each of SACC and BRC,
        Mr. Riley has sole power to vote and dispose or direct the disposition
        of the shares

(c)     Please see Exhibit A for SACC's, BRC's and Mr. Riley's transactions
        within the past sixty (60) days.

(d)     None

(e)     Not applicable

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Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect
         to Securities of the Issuer.

The relationships between Mr. Riley, SACC, RIM and BRC are described above under
Item 2(c) above. There is no written agreement among the reporting parties
regarding the Iteris Holdings positions.

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Item 7.  Material to be Filed as Exhibits.

There are no written agreements amongst the parties relating to the filing of
this joint acquisition statement, nor are there any written agreements,
contracts, arrangements, understandings, plans or proposals relating to (1) the
borrowing of funds to finance the acquisition of shares, (2) the acquisition of
issuer control, liquidation, sale of assets, merger, or change in business or
corporate structure or any matter disclosed in Item 4, or (3) the transfer or
voting of securities, finder's fees, joint ventures, options puts, calls,
guarantees of loans, guarantees against loss or of profit, or the giving or
withholding of any proxy.

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                                    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: June 14, 2004


SACC PARTNERS LP

By: Riley Investment Management LLC,
its General Partner

By: /s/ Bryant R. Riley
------------------------
Bryant R. Riley, President


RILEY INVESTMENT MANAGEMENT LLC

By: /s/ Bryant R. Riley
------------------------
Bryant R. Riley, President


B. RILEY & CO., INC.

By: /s/ Bryant R. Riley
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Bryant R. Riley, CEO


By: /s/ Bryant R. Riley
------------------------
Bryant R. Riley




Attention.  Intentional  misstatements  or omissions of fact constitute  federal
criminal violations (see 18 U.S.C. 1001).



                                   EXHIBIT A

On May 19, 2004, Mr. Riley and SACC purchased convertible debentures and
warrants in the following manner:

SACC purchased $2,500,000 face value convertible debentures, 80,875 warrants at
an exercise price of $3.86 per share and 77,505 warrants at an exercise price of
$4.03 per share.

Mr. Riley purchased $680,000 face value convertible debentures, 21,998 warrants
at an exercise price of $3.86 per share and 21,081 warrants at an exercise price
of $4.03 per share.

In his capacity as custodian, Mr. Riley purchased $80,000 face value convertible
debentures, 2,588 warrants at an exercise price of $3.86 per share and 2,480
warrants at an exercise price of $4.03 per share on behalf of and for each of
his four children.