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

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 2)*


                                 SPACEDEV, INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                    Common Stock, par value $0.001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    846241107
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 31, 2006
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
13G is filed:

      |_|   Rule 13d-1(b)
      |X|   Rule 13d-1(c)
      |_|   Rule 13d-1(d)

*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).


CUSIP No. 846241107

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

     Laurus Master Fund, Ltd.
     98-0337673
--------------------------------------------------------------------------------
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

     Cayman Islands
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    0 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,305,878 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           0 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,305,878 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,305,878 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     7.81%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     CO
--------------------------------------------------------------------------------

----------
      * Based on 29,507,191 shares of common stock of SpaceDev, Inc., a Colorado
corporation (the "Company") outstanding as disclosed in the Company's Quarterly
Report on Form 10-QSB for the quarterly period ended September 30, 2006. As of
December 31, 2006, Laurus Master Fund, Ltd. (the "Fund") held (i) a warrant (the
"June Warrant") to acquire 200,000 Shares at an exercise price of $0.6095 per
Share for the first 125,000 Shares acquired thereunder, $0.6625 per Share for
the next 50,000 Shares acquired thereunder and $0.7685 per Share for the
remaining Shares acquired thereunder, subject in each case to certain
adjustments, (ii) a warrant (the "Second June Warrant") to acquire 50,000 Shares
at an exercise price of $0.6625 per share, (iii) 248,460 Series C Preferred
Shares, par value $0.001 and stated value $10 per share (the "Series C
Preferred") of the Company convertible into Shares at a fixed conversion price
of $1.54 per Share, (iv) 257,778 Series D Preferred Shares (the "Series D
Preferred" and together with the Series C Preferred, the "Preferred") of the
Company convertible into Shares at a fixed conversion price of $1.48 per share;
(v) a warrant (the "August Warrant") to acquire 487,000 Shares at an exercise
price of $1.77 per share, (vi) a warrant (the "October Warrant" and together
with the June Warrant, the August Warrant and the October Warrant, the "Early
Warrants") to acquire 450,000 Shares at an exercise price of $1.93 per Share;
(vii) a warrant (the "January Warrant") to acquire 639,203 Shares at an exercise
prices of $1.51 per Share and (viii) 2,305,878 Shares. Each of the Early
Warrants and the Preferred contains an issuance limitation prohibiting the Fund
from exercising those securities to the extent that such exercise would result
in beneficial ownership by the Fund of more than 4.99% of the Shares then issued
and outstanding (the "4.99% Issuance Limitation"). The January Warrant contains
an issuance limitation currently prohibiting the Fund from exercising that
Security to the extent that such exercise would result in beneficial ownership
by the Fund of more than 9.99% of the Shares then issued and outstanding (the
"9.99% Issuance Limitation" and together with the 4.99% Issuance Limitation, the
"Issuance Limitations"). The Issuance Limitations may be waived by the Fund upon
at least 61 days prior notice to the Company and shall automatically become null
and void upon the occurrence and/or continuance of an event of default (as
defined in and pursuant to the terms of the applicable instrument). The Fund 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 the Fund
reported in this Schedule 13G, as amended.



CUSIP No. 846241107

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

     Laurus Capital Management, LLC
     13-4150669
--------------------------------------------------------------------------------
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

     Delaware
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    0 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,305,878 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           0 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,305,878 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,305,878 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     7.81%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     OO
--------------------------------------------------------------------------------

----------
      * Based on 29,507,191 shares of common stock of SpaceDev, Inc., a Colorado
corporation (the "Company") outstanding as disclosed in the Company's Quarterly
Report on Form 10-QSB for the quarterly period ended September 30, 2006. As of
December 31, 2006, Laurus Master Fund, Ltd. (the "Fund") held (i) a warrant (the
"June Warrant") to acquire 200,000 Shares at an exercise price of $0.6095 per
Share for the first 125,000 Shares acquired thereunder, $0.6625 per Share for
the next 50,000 Shares acquired thereunder and $0.7685 per Share for the
remaining Shares acquired thereunder, subject in each case to certain
adjustments, (ii) a warrant (the "Second June Warrant") to acquire 50,000 Shares
at an exercise price of $0.6625 per share, (iii) 248,460 Series C Preferred
Shares, par value $0.001 and stated value $10 per share (the "Series C
Preferred") of the Company convertible into Shares at a fixed conversion price
of $1.54 per Share, (iv) 257,778 Series D Preferred Shares (the "Series D
Preferred" and together with the Series C Preferred, the "Preferred") of the
Company convertible into Shares at a fixed conversion price of $1.48 per share;
(v) a warrant (the "August Warrant") to acquire 487,000 Shares at an exercise
price of $1.77 per share, (vi) a warrant (the "October Warrant" and together
with the June Warrant, the August Warrant and the October Warrant, the "Early
Warrants") to acquire 450,000 Shares at an exercise price of $1.93 per Share;
(vii) a warrant (the "January Warrant") to acquire 639,203 Shares at an exercise
prices of $1.51 per Share and (viii) 2,305,878 Shares. Each of the Early
Warrants and the Preferred contains an issuance limitation prohibiting the Fund
from exercising those securities to the extent that such exercise would result
in beneficial ownership by the Fund of more than 4.99% of the Shares then issued
and outstanding (the "4.99% Issuance Limitation"). The January Warrant contains
an issuance limitation currently prohibiting the Fund from exercising that
Security to the extent that such exercise would result in beneficial ownership
by the Fund of more than 9.99% of the Shares then issued and outstanding (the
"9.99% Issuance Limitation" and together with the 4.99% Issuance Limitation, the
"Issuance Limitations"). The Issuance Limitations may be waived by the Fund upon
at least 61 days prior notice to the Company and shall automatically become null
and void upon the occurrence and/or continuance of an event of default (as
defined in and pursuant to the terms of the applicable instrument). The Fund 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 the Fund
reported in this Schedule 13G, as amended.



CUSIP No. 846241107

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

     David Grin
--------------------------------------------------------------------------------
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

     Israel
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    0 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,305,878 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           0 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,305,878 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,305,878 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     7.81%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IN
--------------------------------------------------------------------------------

----------
      * Based on 29,507,191 shares of common stock of SpaceDev, Inc., a Colorado
corporation (the "Company") outstanding as disclosed in the Company's Quarterly
Report on Form 10-QSB for the quarterly period ended September 30, 2006. As of
December 31, 2006, Laurus Master Fund, Ltd. (the "Fund") held (i) a warrant (the
"June Warrant") to acquire 200,000 Shares at an exercise price of $0.6095 per
Share for the first 125,000 Shares acquired thereunder, $0.6625 per Share for
the next 50,000 Shares acquired thereunder and $0.7685 per Share for the
remaining Shares acquired thereunder, subject in each case to certain
adjustments, (ii) a warrant (the "Second June Warrant") to acquire 50,000 Shares
at an exercise price of $0.6625 per share, (iii) 248,460 Series C Preferred
Shares, par value $0.001 and stated value $10 per share (the "Series C
Preferred") of the Company convertible into Shares at a fixed conversion price
of $1.54 per Share, (iv) 257,778 Series D Preferred Shares (the "Series D
Preferred" and together with the Series C Preferred, the "Preferred") of the
Company convertible into Shares at a fixed conversion price of $1.48 per share;
(v) a warrant (the "August Warrant") to acquire 487,000 Shares at an exercise
price of $1.77 per share, (vi) a warrant (the "October Warrant" and together
with the June Warrant, the August Warrant and the October Warrant, the "Early
Warrants") to acquire 450,000 Shares at an exercise price of $1.93 per Share;
(vii) a warrant (the "January Warrant") to acquire 639,203 Shares at an exercise
prices of $1.51 per Share and (viii) 2,305,878 Shares. Each of the Early
Warrants and the Preferred contains an issuance limitation prohibiting the Fund
from exercising those securities to the extent that such exercise would result
in beneficial ownership by the Fund of more than 4.99% of the Shares then issued
and outstanding (the "4.99% Issuance Limitation"). The January Warrant contains
an issuance limitation currently prohibiting the Fund from exercising that
Security to the extent that such exercise would result in beneficial ownership
by the Fund of more than 9.99% of the Shares then issued and outstanding (the
"9.99% Issuance Limitation" and together with the 4.99% Issuance Limitation, the
"Issuance Limitations"). The Issuance Limitations may be waived by the Fund upon
at least 61 days prior notice to the Company and shall automatically become null
and void upon the occurrence and/or continuance of an event of default (as
defined in and pursuant to the terms of the applicable instrument). The Fund 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 the Fund
reported in this Schedule 13G, as amended.



CUSIP No. 846241107

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

     Eugene Grin
--------------------------------------------------------------------------------
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

     United States
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    0 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,305,878 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           0 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,305,878 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,032,520 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     7.81%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IN
--------------------------------------------------------------------------------

----------
      * Based on 29,507,191 shares of common stock of SpaceDev, Inc., a Colorado
corporation (the "Company") outstanding as disclosed in the Company's Quarterly
Report on Form 10-QSB for the quarterly period ended September 30, 2006. As of
December 31, 2006, Laurus Master Fund, Ltd. (the "Fund") held (i) a warrant (the
"June Warrant") to acquire 200,000 Shares at an exercise price of $0.6095 per
Share for the first 125,000 Shares acquired thereunder, $0.6625 per Share for
the next 50,000 Shares acquired thereunder and $0.7685 per Share for the
remaining Shares acquired thereunder, subject in each case to certain
adjustments, (ii) a warrant (the "Second June Warrant") to acquire 50,000 Shares
at an exercise price of $0.6625 per share, (iii) 248,460 Series C Preferred
Shares, par value $0.001 and stated value $10 per share (the "Series C
Preferred") of the Company convertible into Shares at a fixed conversion price
of $1.54 per Share, (iv) 257,778 Series D Preferred Shares (the "Series D
Preferred" and together with the Series C Preferred, the "Preferred") of the
Company convertible into Shares at a fixed conversion price of $1.48 per share;
(v) a warrant (the "August Warrant") to acquire 487,000 Shares at an exercise
price of $1.77 per share, (vi) a warrant (the "October Warrant" and together
with the June Warrant, the August Warrant and the October Warrant, the "Early
Warrants") to acquire 450,000 Shares at an exercise price of $1.93 per Share;
(vii) a warrant (the "January Warrant") to acquire 639,203 Shares at an exercise
prices of $1.51 per Share and (viii) 2,305,878 Shares. Each of the Early
Warrants and the Preferred contains an issuance limitation prohibiting the Fund
from exercising those securities to the extent that such exercise would result
in beneficial ownership by the Fund of more than 4.99% of the Shares then issued
and outstanding (the "4.99% Issuance Limitation"). The January Warrant contains
an issuance limitation currently prohibiting the Fund from exercising that
Security to the extent that such exercise would result in beneficial ownership
by the Fund of more than 9.99% of the Shares then issued and outstanding (the
"9.99% Issuance Limitation" and together with the 4.99% Issuance Limitation, the
"Issuance Limitations"). The Issuance Limitations may be waived by the Fund upon
at least 61 days prior notice to the Company and shall automatically become null
and void upon the occurrence and/or continuance of an event of default (as
defined in and pursuant to the terms of the applicable instrument). The Fund 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 the Fund
reported in this Schedule 13G, as amended.


Item 1(a). Name of Issuer: SPACEDEV, INC.

Item 1(b). Address of Issuer's Principal Executive Offices:
           13855 Stowe Drive, Poway, CA 92064

Item 2(a). Name of Person Filing: Laurus Master Fund, Ltd.

            This Schedule 13G, as amended, is also filed on behalf of Laurus
            Capital Management, LLC, a Delaware limited liability company,
            Eugene Grin and David Grin. Laurus Capital Management, LLC manages
            Laurus Master Fund, Ltd. 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. Information related to each
            of Laurus Capital Management, LLC, Eugene Grin and David Grin is set
            forth on Appendix A hereto.

Item 2(b). Address of  Principal  Business  Office or if none,  Residence:  c/o
           Laurus Capital  Management,  LLC, 825 Third Avenue,  14th Floor, New
           York, NY 10022

Item 2(c). Citizenship: Cayman Islands

Item 2(d). Title of Class of Securities: Common Stock

Item 2(e). CUSIP Number: 846241107

Item 3. Not Applicable

Item 4. Ownership:

      (a) Amount Beneficially Owned: 2,305,878 shares of Common Stock*

      (b) Percent of Class: 7.81%*



      (c) Number of shares as to which such person has:

            (i)   sole power to vote or to direct the vote: 0 shares of Common
                  Stock*

            (ii)  shared power to vote or to direct the vote: 2,305,878 shares
                  of Common Stock*

            (iii) sole power to dispose or to direct the disposition of: 0
                  shares of Common Stock*

            iv)   shared power to dispose or to direct the disposition of:
                  2,305,878 shares of Common Stock*

Item 5. Ownership of Five Percent or Less of a Class: Not applicable

Item 6. Ownership  of More than Five Percent on Behalf of Another  Person:  Not
        applicable

Item 7. Identification  and  Classification  of Subsidiary  Which  Acquired the
        Securities: Not applicable

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.

----------
      * Based on 29,507,191 shares of common stock of SpaceDev, Inc., a Colorado
corporation (the "Company") outstanding as disclosed in the Company's Quarterly
Report on Form 10-QSB for the quarterly period ended September 30, 2006. As of
December 31, 2006, Laurus Master Fund, Ltd. (the "Fund") held (i) a warrant (the
"June Warrant") to acquire 200,000 Shares at an exercise price of $0.6095 per
Share for the first 125,000 Shares acquired thereunder, $0.6625 per Share for
the next 50,000 Shares acquired thereunder and $0.7685 per Share for the
remaining Shares acquired thereunder, subject in each case to certain
adjustments, (ii) a warrant (the "Second June Warrant") to acquire 50,000 Shares
at an exercise price of $0.6625 per share, (iii) 248,460 Series C Preferred
Shares, par value $0.001 and stated value $10 per share (the "Series C
Preferred") of the Company convertible into Shares at a fixed conversion price
of $1.54 per Share, (iv) 257,778 Series D Preferred Shares (the "Series D
Preferred" and together with the Series C Preferred, the "Preferred") of the
Company convertible into Shares at a fixed conversion price of $1.48 per share;
(v) a warrant (the "August Warrant") to acquire 487,000 Shares at an exercise
price of $1.77 per share, (vi) a warrant (the "October Warrant" and together
with the June Warrant, the August Warrant and the October Warrant, the "Early
Warrants") to acquire 450,000 Shares at an exercise price of $1.93 per Share;
(vii) a warrant (the "January Warrant") to acquire 639,203 Shares at an exercise
prices of $1.51 per Share and (viii) 2,305,878 Shares. Each of the Early
Warrants and the Preferred contains an issuance limitation prohibiting the Fund
from exercising those securities to the extent that such exercise would result
in beneficial ownership by the Fund of more than 4.99% of the Shares then issued
and outstanding (the "4.99% Issuance Limitation"). The January Warrant contains
an issuance limitation currently prohibiting the Fund from exercising that
Security to the extent that such exercise would result in beneficial ownership
by the Fund of more than 9.99% of the Shares then issued and outstanding (the
"9.99% Issuance Limitation" and together with the 4.99% Issuance Limitation, the
"Issuance Limitations"). The Issuance Limitations may be waived by the Fund upon
at least 61 days prior notice to the Company and shall automatically become null
and void upon the occurrence and/or continuance of an event of default (as
defined in and pursuant to the terms of the applicable instrument). The Fund 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 the Fund
reported in this Schedule 13G, as amended.



                                    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.

                                              February 14, 2007
                                              ---------------------------
                                              Date


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



                                   APPENDIX A


A.    Name:                         Laurus Capital Management, LLC, a
                                    Delaware limited liability company
      Business Address:             825 Third Avenue, 14th Floor
                                    New York, New York 10022
      Place of Organization:        Delaware


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

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


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

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


Each of Laurus Capital Management, LLC, Eugene Grin and David Grin hereby
agrees, by their execution below, that the Schedule 13G, as amended, 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
    February 14, 2007


/s/ Eugene Grin
-------------------------------------
    Eugene Grin, on his individual behalf
    February 14, 2007


/s/ David Grin
-------------------------------------
    David Grin, on his individual behalf
    February 14, 2007