UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                  SCHEDULE 13D
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)*


                            TIDEL TECHNOLOGIES, INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, $0.01 par value per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

--------------------------------------------------------------------------------
                                    886368109
                                 (CUSIP Number)

      Eugene Grin                                  with a copy to:
      Director                                     Steven E. Siesser, Esq.
      Laurus Master Fund, Ltd.                     Lowenstein Sandler PC
      825 Third Avenue, 14th Floor                 65 Livingston Avenue
      New York, New York 10022                     Roseland, New Jersey  07068
      (212) 541-5800                               (973) 597-2506
--------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                February 28, 2006
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


If the filing person has previously filed a statement on Schedule l3G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of SS. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box. |X|

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See S. 240.13d-7 for other
parties to whom copies are to be sent.

*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 ("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.         886368109

--------------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS. Laurus Master Fund, Ltd.

     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):98-0337673

--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    SOURCE OF FUNDS (SEE INSTRUCTIONS): OO

--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)

     Not Applicable
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION:

     Cayman Islands
--------------------------------------------------------------------------------
               7    SOLE VOTING POWER:

                    19,251,000*
               -----------------------------------------------------------------
  NUMBER OF    8    SHARED VOTING POWER:
   SHARES
BENEFICIALLY        19,251,000*
  OWNED BY     -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER:
  REPORTING
   PERSON           19,251,000*
    WITH       -----------------------------------------------------------------
               10   SHARED DISPOSITIVE POWER:

                    19,251,000*
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

     19,251,000*
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS):

     Not Applicable
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):

     49.8%*
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

     CO
--------------------------------------------------------------------------------
*These shares are owned by Laurus Master Fund, Ltd. Laurus Master Fund, Ltd. is
managed by Laurus Capital Management, LLC. Eugene Grin and David Grin, through
other entities, are the controlling principals of Laurus Capital Management, LLC
and share sole voting and investment power over the securities owned by Laurus
Master Fund, Ltd. reported in this Schedule 13D, as amended.



                                      -2-




Cusip No.         886368109

--------------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS.  Laurus Capital Management, LLC

     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):  13-4150669

--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    SOURCE OF FUNDS (SEE INSTRUCTIONS):

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)

     Not Applicable
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION:

     Delaware
--------------------------------------------------------------------------------
               7    SOLE VOTING POWER:

                    19,251,000*
               -----------------------------------------------------------------
  NUMBER OF    8    SHARED VOTING POWER:
   SHARES
BENEFICIALLY        19,251,000*
  OWNED BY     -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER:
  REPORTING
   PERSON           19,251,000*
    WITH       -----------------------------------------------------------------
               10   SHARED DISPOSITIVE POWER:

                    19,251,000*
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

     19,251,000*
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS):

     Not Applicable
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):

     49.8%*
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

     OO
--------------------------------------------------------------------------------
*These shares are owned by Laurus Master Fund, Ltd. Laurus Master Fund, Ltd. is
managed by Laurus Capital Management, LLC. Eugene Grin and David Grin, through
other entities, are the controlling principals of Laurus Capital Management, LLC
and share sole voting and investment power over the securities owned by Laurus
Master Fund, Ltd. reported in this Schedule 13D, as amended.



                                      -3-



Cusip No.         886368109

--------------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS.  David Grin

     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):

--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    SOURCE OF FUNDS (SEE INSTRUCTIONS):

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)

     Not Applicable
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION:

     Israel
--------------------------------------------------------------------------------
               7    SOLE VOTING POWER:

                    19,251,000*
               -----------------------------------------------------------------
  NUMBER OF    8    SHARED VOTING POWER:
   SHARES
BENEFICIALLY        19,251,000*
  OWNED BY     -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER:
  REPORTING
   PERSON           19,251,000*
    WITH       -----------------------------------------------------------------
               10   SHARED DISPOSITIVE POWER:

                    19,251,000*
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

     19,251,000*
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS):

     Not Applicable
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):

     49.8%*
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

     IN
--------------------------------------------------------------------------------
*These shares are owned by Laurus Master Fund, Ltd. Laurus Master Fund, Ltd. is
managed by Laurus Capital Management, LLC. Eugene Grin and David Grin, through
other entities, are the controlling principals of Laurus Capital Management, LLC
and share sole voting and investment power over the securities owned by Laurus
Master Fund, Ltd. reported in this Schedule 13D, as amended.


                                      -4-



Cusip No.         886368109

--------------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS.  Eugene Grin

     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):

--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    SOURCE OF FUNDS (SEE INSTRUCTIONS):

     OO
--------------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)

     Not Applicable
--------------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION:

     United States
--------------------------------------------------------------------------------
               7    SOLE VOTING POWER:

                    19,251,000*
               -----------------------------------------------------------------
  NUMBER OF    8    SHARED VOTING POWER:
   SHARES
BENEFICIALLY        19,251,000*
  OWNED BY     -----------------------------------------------------------------
    EACH       9    SOLE DISPOSITIVE POWER:
  REPORTING
   PERSON           19,251,000*
    WITH       -----------------------------------------------------------------
               10   SHARED DISPOSITIVE POWER:

                    19,251,000*
--------------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

     19,251,000*
--------------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS):

     Not Applicable
--------------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):

     49.8%*
--------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

     IN
--------------------------------------------------------------------------------
*These shares are owned by Laurus Master Fund, Ltd. Laurus Master Fund, Ltd. is
managed by Laurus Capital Management, LLC. Eugene Grin and David Grin, through
other entities, are the controlling principals of Laurus Capital Management, LLC
and share sole voting and investment power over the securities owned by Laurus
Master Fund, Ltd. reported in this Schedule 13D, as amended.


                                      -5-



This Amendment No. 1 to Schedule 13D is being filed by the  undersigned to amend
and  supplement  the Schedule  13D,  dated  January 17, 2006 with respect to the
shares of common stock, par value $0.01 per share, of Tidel Technologies,  Inc.,
a Delaware corporation (the "Company").

Item 4.     Purpose of Transaction.

            Item 4 of this  Schedule  13D is amended by deleting the entirety of
the text and replacing it with the following:

            Laurus  Master Fund,  Ltd.  entered into an exercise and  conversion
agreement,  dated as of January  12,  2006 (the  "Conversion  Agreement"),  with
Sentinel Technologies, Inc., a Delaware corporation ("STI"), Sentinel Operating,
L.P., a Texas  limited  partnership  and an affiliate of STI  ("Sentinel"),  and
Tidel Technologies,  Inc., a Delaware  corporation (the "Company"),  pursuant to
which Laurus  Master Fund,  Ltd.  agreed to acquire up to  18,000,000  shares of
common  stock  of  the  Company  (the  "Note  Shares")  upon  conversion  of the
Conversion Amount of the 2003 Note (the "Conversion"), which Conversion occurred
on January 13, 2006.  Laurus Master Fund, Ltd. agreed to the Conversion in order
to, among other things, vote the Note Shares and the Existing Shares in favor of
the  Company's  proposed  sale of the assets of its cash  security  business  to
Sentinel (the "Asset Sale"). Following the Conversion,  Laurus Master Fund, Ltd.
will own 49.8% of the Company's  then  outstanding  shares of common  stock.  On
February  28, 2006,  Laurus  Master Fund,  Ltd.,  the Company,  STI and Sentinel
entered into an amendment to the Conversion Agreement (the "Conversion Agreement
Amendment"),  pursuant to which the parties agreed to (i) change the latest date
that the  Company  could set as the  record  date for a special  meeting  of its
stockholders  to vote upon the Asset  Sale from  January  13,  2006 to April 21,
2006,  (ii)  change  the  latest  date by which the  Company  could  mail  proxy
materials to its  stockholders  with  respect to any such  special  meeting from
January 13, 2006 to April 21,  2006,  and (iii)  change the latest date by which
the Asset Sale must occur from March 31, 2006 to May 31,  2006.  The parties are
currently in  discussions  to extend the record  date,  the mailing date and the
date upon which the Asset Sale must occur.

            Except  as set forth  above or as  disclosed  under  Item 6, none of
Laurus Master Fund, Ltd., Laurus Capital Management,  LLC, David Grin and Eugene
Grin has any present  plans or proposals  which relate to or would result in any
of the transactions required to be described in Item 4 of Schedule 13D.

Item 5.     Interest in Securities of the Issuer.

      (a)   Number of Shares Beneficially Owned: 19,251,000*

            Right to Acquire: 0 shares

            Percent of Class:  49.8%  (based  upon  38,677,210  shares of common
            stock outstanding immediately following the Conversion)

                                      -6-


      (b)   Sole  Power to Vote,  Direct  the Vote of,  Dispose  or  Direct  the
            Disposition of Shares: 19,251,000 shares*

            Shared  Power to Vote,  Direct the Vote of, or Dispose or Direct the
            Disposition of Shares: 19,251,000 shares*

      (c)   Recent Transactions:

            On  January  13,  2006,  Laurus  Master  Fund,  Ltd.  converted  the
            Conversion Amount of the 2003 Note into 18,000,000 shares of Company
            common stock pursuant to the Conversion Agreement.

      (d)   Rights with Respect to Dividends or Sales Proceeds: Not applicable.

      (e)   Date  of  Cessation  of  Five  Percent  Beneficial  Ownership:   Not
            applicable.

            *These  shares are owned by Laurus Master Fund,  Ltd.  Laurus Master
            Fund, Ltd. is managed by Laurus Capital Management, LLC. Eugene Grin
            and  David  Grin,  through  other  entities,   are  the  controlling
            principals of Laurus Capital  Management,  LLC and share sole voting
            and  investment  power over the shares owned by Laurus  Master Fund,
            Ltd.

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

            Item 6 of this Schedule 13D is amended by deleting the entirety of
the text and replacing it with the following:

      To effect the  conversion of the 2003 Note,  the Company and Laurus Master
Fund, Ltd. agreed pursuant to the Conversion Agreement to waive any provision of
any agreement, contract, arrangement or document entered into by the Company and
any of its  affiliates  and Laurus  Master Fund,  Ltd.  pursuant to which Laurus
Master Fund,  Ltd. and any of its affiliates is restricted  from  converting the
Conversion  Amount of the Note,  but only to the extent  required for the Laurus
Master Fund,  Ltd. to convert the  Conversion  Amount of the Note. The Company's
obligation to effect the  Conversion is  conditioned  upon a number of customary
closing  conditions.  In the event that the Asset Sale does not occur by May 31,
2006,  the Company is required  under the  Conversion  Agreement to  immediately
redeem the Note Shares for an amount equal to $5,400,000 in cash.

                                      -7-


      In connection  with the Asset Sale,  Laurus Master Fund,  Ltd. has agreed,
pursuant  to a voting  agreement,  dated as of  January  12,  2006 (the  "Voting
Agreement")  by and among STI,  Sentinel,  the Company and Laurus  Master  Fund,
Ltd., to vote all of the outstanding shares of Company common stock that it owns
in favor of the approval and adoption of (i) the purchase agreement,  as amended
from time to time (the "Purchase  Agreement")  governing the Asset Sale, (ii) an
amendment to the Company's  certificate of incorporation to change the Company's
name (the "Amendment"),  (iii) any motion for adjournment or postponement of the
meeting of the Company's  stockholders to approve the Asset Sale to another time
or place to permit,  among  other  things,  further  solicitation  of proxies if
necessary  to establish a quorum or to obtain  additional  votes in favor of the
Purchase Agreement and the transactions  contemplated thereby and the Amendment,
(iv) against any other third-party  acquisition  proposal or any negotiations or
discussions with respect to a third-party  acquisition  proposal and against any
proposal for action or agreement  that would result in a breach of any covenant,
representation  or warranty or any other  obligation or agreement of the Company
under the Purchase  Agreement or any amendment to the Company's  Certificate  of
Incorporation or Bylaws, which in the case of each of the matters referred to in
this clause (iv) that could  reasonably be expected to impede,  interfere  with,
delay, postpone or materially adversely affect the transactions  contemplated by
the Purchase  Agreement or the likelihood of such transactions being consummated
and (v) in favor of any other matter  reasonably  necessary for  consummation of
the transactions  contemplated by the Purchase  Agreement and related agreements
which is considered at any such meeting of stockholders or in such consent,  and
in connection  therewith to execute any documents which are reasonably necessary
in order to effectuate the  foregoing.  Laurus Master Fund,  Ltd.'s  obligations
under the Voting Agreement are subject to customary conditions, including, among
other things, approval of the Asset Sale by the Company's board of directors.

      Under the Voting  Agreement,  Laurus Master Fund,  Ltd.  revoked all prior
proxies or powers of  attorney  that it or certain of its  affiliates  had given
with  respect to the  Existing  Shares,  the Note Shares and any other shares of
common stock of the Company.  Laurus Master Fund,  Ltd. also  generally  agreed,
subject to a number of limited exceptions,  to not, directly or indirectly,  (i)
sell, assign, transfer,  encumber, pledge or otherwise dispose of, or enter into
any contract,  option or other  agreement,  arrangement  or  understanding  with
respect to the  direct or  indirect  sale,  assignment,  transfer,  encumbrance,
pledge or other  disposition of, any of the shares of Company common stock, (ii)
grant any proxies or enter into any voting trust or other agreement, arrangement
or  understanding  with  respect  to the  voting of any of the shares of Company
common stock held by Laurus Master Fund,  Ltd. and certain of its affiliates and
(iii)  solicit  any sale,  assignment,  transfer,  encumbrance,  pledge or other
disposition  of the  shares of  Company  common  stock to anyone  other than its
affiliates.  Laurus Master Fund, Ltd. also agreed to notify STI promptly (but in
any event, within 24 hours), and it and its affiliates shall provide all details
requested by STI, if Laurus Master Fund, Ltd. or certain of its affiliates shall
be approached or solicited,  directly or indirectly,  by any person with respect
to any of the  foregoing  actions  described in clause (iii) of the  immediately
preceding sentence.

      On February  28, 2006,  Laurus  Master Fund,  Ltd.,  the Company,  STI and
Special Investments, L.P. entered into an amendment to the Voting Agreement (the
"Voting Agreement Amendment") pursuant to which the parties agreed to (i) change
the latest  date that the  Company  could set as the  record  date for a special
meeting of its stockholders to vote upon the Asset Sale from January 13, 2006 to
April 21, 2006, and (ii) change the date on which Laurus Master Fund,  Ltd. will
cease to be bound by its  agreements  under the Voting  Agreement from March 31,
2006 to May 31, 2006.


                                      -8-


      Laurus Master Fund, Ltd. also entered into a stock  redemption  agreement,
dated as of January 12, 2006 (the "Redemption Agreement"), pursuant to which the
Company  agreed to  purchase  the  Existing  Shares  and the Note  Shares  for a
purchase price per share to be determined pursuant to a formula set forth in the
Redemption Agreement, which purchase price shall not be less than $.20 per share
or more than $.34 per share.  Such  purchase  is subject  to  customary  closing
conditions,  including,  among other things, the consummation of the Asset Sale.
Under the Redemption Agreement,  Laurus Master Fund similarly agreed, subject to
a number of limited exceptions, to not (i) directly or indirectly, sell, assign,
transfer,  encumber, pledge or otherwise dispose of, or enter into any contract,
option or other  agreement,  arrangement  or  understanding  with respect to the
direct or indirect  sale,  assignment,  transfer,  encumbrance,  pledge or other
disposition  of,  any of its  shares of  Company  common  stock and (ii) seek or
solicit any sale, assignment transfer,  encumbrance, pledge or other disposition
of its shares of Company common stock to any third party.

      Under the Redemption  Agreement,  Laurus Master Fund,  Ltd. also agreed to
the  cancellation,  as of the  closing  date  of the  Asset  Sale,  of the  then
unexercised  portion of the following  warrants that it holds:  (i) the warrant,
dated  November 25, 2003, to purchase up to 4,250,000  shares of common stock of
the Company at an exercise  price of $0.30 per share,  which warrant  expires on
November 24, 2010 and (ii) the warrant,  dated November 26, 2004, to purchase up
to 500,000  shares of common stock of the Company at an exercise  price of $0.30
per share,  which  warrant  expires on  November  26,  2011  (collectively,  the
"Warrants").  Laurus  Master  Fund,  Ltd.  further  agreed not to  exercise  the
Warrants  before the earlier of (x) March 31, 2006 and (y) the date on which the
Purchase Agreement is terminated.

      On February 28, 2006, Laurus Master Fund, Ltd. and the Company amended the
Redemption Agreement (the "Redemption Agreement  Amendment"),  pursuant to which
Laurus  Master  Fund,  Ltd.  agreed to change the date before which it would not
exercise the Warrants from March 31, 2006 to May 31, 2006.  In addition,  on May
31, 2006, the agreements can be terminated by either party if the Asset Sale has
not occurred.

      Concurrently,  with the execution of the Voting Agreement,  the Redemption
Agreement and the Conversion  Agreement,  Laurus Master Fund,  Ltd. also entered
into (i) a letter agreement,  dated as of January 12, 2006 (the "Cash Collateral
Deposit  Letter"),  with the Company and its  subsidiaries,  Tidel  Engineering,
L.P., Tidel Cash Systems, Inc., Tidel Services,  Inc. and AnyCard International,
Inc., and (ii) a reaffirmation,  ratification and confirmation agreement,  dated
as of  January  12,  2006 (the  "Reaffirmation  Agreement"),  with the  Company.
Pursuant to the Cash Collateral  Deposit Letter, the parties thereto agreed that
a portion of the $8,200,000 of proceeds (the "Deposit  Amount") from the January
2006  sale of the  Company's  automated  teller  machine  business  that were on
deposit with Laurus  Master  Fund,  Ltd. for  repayment of  outstanding  Company
indebtedness  to Laurus Master Fund,  Ltd. would be applied to repay all amounts
owing to  Laurus  Master  Fund,  Ltd.  under  (i) the  portion  of the 2003 Note
remaining after the Conversion, (ii) a convertible term note, dated November 26,
2004 in the aggregate  principal amount of $600,000,  which was convertible into
shares of common stock of the Company at a  conversion  price of $0.30 per share
and (iii) a  convertible  term note,  dated  November 26, 2004, in the aggregate
principal  amount of  $1,500,000,  which was  convertible  into shares of common
stock of the Company at a conversion price of $3.00 per share (collectively, the
"Notes"). Thereafter, the Notes shall be deemed to have been indefeasibly repaid
and the Deposit Amount will be reduced to $5,330,507.  Under the Cash Collateral
Deposit Letter,  such remaining  Deposit Amount together with an cash additional
deposit of $69,493  from the Company  will be used as  collateral  to secure the
Company's obligations to Laurus Master Fund, Ltd. under, among other things, the
Redemption Agreement and the Conversion Agreement.

      Pursuant to the Reaffirmation  Agreement, the Company, among other things,
acknowledged  and reaffirmed  its obligation to pay to Laurus Master Fund,  Ltd.
simultaneously  with the closing of the Asset Sale the amounts payable to Laurus
Master  Fund,  Ltd.  pursuant  to  Section  4 of  the  Agreement  Regarding  NCR
Transaction  and Other Asset Sales,  dated as of November 26, 2004,  between the
Company  and Laurus  Master  Fund,  Ltd.,  which  amount will be  determined  in
accordance  with the  provisions  of such  section  and  shall  not be less than
$5,000,000 nor more than $11,000,000.

                                      -9-


      The parties are currently in  discussions  to extend the record date,  the
mailing date and the date upon which the Asset Sale must occur.

      This  summary of the terms of the  Conversion  Agreement,  the  Conversion
Agreement Amendment,  the Voting Agreement,  the Voting Agreement Amendment, the
Redemption  Agreement,  the Redemption Agreement  Amendment,  the 2003 Note, the
2004 Note, the 2003 Warrant and the 2004 Warrant is qualified in its entirety by
reference to the forms of such agreements filed as exhibits hereto.

Item 7.     Material to be Filed as Exhibits.

            Item 7 of this  Schedule 13D is amended by adding at the end thereof
            the following:

Exhibit 11  Amendment  to the  Exercise and  Conversion  Agreement,  dated as of
            February 28, 2006 by and among the Company,  Sentinel  Technologies,
            Inc.,  Sentinel  Operating,  L.P.,  and  Laurus  Master  Fund,  Ltd.
            (incorporated by reference to Exhibit 10.1 to the Company's  Current
            Report on Form 8-K filed with the Securities and Exchange Commission
            on March 7, 2006)

Exhibit 12  Amendment to the Stock  Redemption  Agreement,  dated as of February
            28,  2006,   between  the  Company  and  Laurus  Master  Fund,  Ltd.
            (incorporated by reference to Exhibit 10.1 to the Company's  Current
            Report on Form 8-K filed with the Securities and Exchange Commission
            on March 7, 2006)

Exhibit 13  Amendment to the Voting Agreement, dated as of February 28, 2006, by
            and  among  the  Company,  Sentinel  Technologies,   Inc.,  Sentinel
            Operating,  L.P.,  and Laurus  Master Fund,  Ltd.  (incorporated  by
            reference to Exhibit 10.1 to the  Company's  Current  Report on Form
            8-K filed with the  Securities  and Exchange  Commission on March 7,
            2006)


                                      -10-



                                    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.


May 15, 2006

                                            LAURUS MASTER FUND, LTD.


                                             /s/ Eugene Grin
                                            ------------------------
                                            Eugene Grin
                                            Director





ATTENTION:  INTENTIONAL  MISSTATEMENTS  OR OMISSIONS OF FACT CONSTITUTE  FEDERAL
CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).


                                      -11-



                                   APPENDIX A

A.     Name of business,
       state of
       organization,
       principal business
       and address thereof,
       and address of its
       principal office:                    Laurus Capital Management, LLC,
                                            Delaware limited liability company
                                            controls Laurus Master Fund, Ltd.
                                            c/o Laurus Capital Management, LLC
                                            825 Third Avenue, 14th Floor
                                            New York, New York  10022

B.     Name:                                Eugene Grin
       Business
       Address:                             825 Third Avenue, 14th Floor
                                            New York, New York 10022

       Principal           Director of Laurus Master Fund, Ltd.
       Occupation:         Principal of Laurus Capital Management, LLC

       Name of business,
       principal business
       and address of
       corporation or other
       organization in
       which such
       employment is
       conducted:                           Laurus Master Fund, Ltd.,
                                            direct investments in companies
                                            c/o Laurus Capital Management, LLC
                                            825 Third Avenue, 14th floor
                                            New York, New York 10022

C.     Name: David Grin
       Business
       Address:            825 Third Avenue, 14th Floor
                           New York, New York  10022

       Principal           Director of Laurus Master Fund, Ltd.
       Occupation:         Principal of Laurus Capital Management, LLC

       Name of business,
       principal business
       and address of
       corporation or other
       organization in
       which such
       employment is
       conducted:                           Laurus Master Fund, Ltd., direct
                                            investments in companies
                                            c/o Laurus Capital Management, LLC
                                            825 Third Avenue, 14th Floor
                                            New York, New York 10022

                                      -12-




Each of Laurus Capital Management, LLC, Eugene Grin and David Grin hereby agree,
by their execution below, that the Schedule 13D Amendment to which this Appendix
A is attached is filed on behalf of each of them, respectively.


                  LAURUS CAPITAL MANAGEMENT, LLC

                   /s/ Eugene Grin
                  --------------------------
                  Eugene Grin
                  Principal
                  May 15, 2006




                   /s/ Eugene Grin
                  --------------------------
                  Eugene Grin, individually
                  May 15, 2006




                   /s/ David Grin
                  --------------------------
                  David Grin, individually
                  May 15, 2006


                                      -13-


                                  EXHIBIT INDEX


Exhibit No.                         Description
-----------                         -----------

Exhibit 11     Amendment to the Exercise and Conversion  Agreement,  dated as of
               February   28,   2006  by  and   among  the   Company,   Sentinel
               Technologies,  Inc., Sentinel Operating,  L.P., and Laurus Master
               Fund,  Ltd.  (incorporated  by  reference  to Exhibit 10.1 to the
               Company's  Current  Report on Form 8-K filed with the  Securities
               and Exchange Commission on March 7, 2006)

Exhibit 12     Amendment to the Stock Redemption Agreement, dated as of February
               28,  2006,  between  the  Company and Laurus  Master  Fund,  Ltd.
               (incorporated  by  reference  to  Exhibit  10.1 to the  Company's
               Current Report on Form 8-K filed with the Securities and Exchange
               Commission on March 7, 2006)

Exhibit 13     Amendment to the Voting Agreement, dated as of February 28, 2006,
               by and among the Company,  Sentinel Technologies,  Inc., Sentinel
               Operating,  L.P., and Laurus Master Fund, Ltd.  (incorporated  by
               reference to Exhibit 10.1 to the Company's Current Report on Form
               8-K filed with the Securities and Exchange Commission on March 7,
               2006)