Exhibit 1 Amended Joint Filing Agreement In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of the Schedule 13D (and further amendment...

CUSIP No. 000000000               SCHEDULE 13D               Page 14 of 14 Pages

                                   Exhibit 1

                         Amended Joint Filing Agreement

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934,
as amended, the persons named below agree to the joint filing on behalf of each
of them of the Schedule 13D (and further amendment filed by them) with respect
to the Common Shares (as defined in the Schedule 13D filed with the Securities
and Exchange Commission on August 15, 2000).

                                    Southwest Securities, Inc.

                                    By: /s/ Xxxxx Xxxxxxxxx
                                        ----------------------------------------
                                            Xxxxx Xxxxxxxxx, President and CEO

                                    /s/ Xxxxx Xxxxxxxxx
                                    --------------------------------------------
                                            Xxxxx Xxxxxxxxx, Individually


                                    Xxxxxx X. Xxxxxxxxx Trust

                                    By: /s/ Xxxxx Xxxxxxxxx
                                        ----------------------------------------
                                            Xxxxx Xxxxxxxxx, Trustee


                                    Fiduciary Financial Services
                                            of the Southwest, Inc.

                                    By: /s/ Xxxx X. Xxxxx
                                        ----------------------------------------
                                            Xxxx X. Xxxxx, President


                                    EQSF Advisers, Inc.

                                    By: X. Xxxxx Xxxx
                                        ----------------------------------------
                                            X. Xxxxx Xxxx, Secretary


                                    X.X. Xxxxxxx Advisers, Inc.

                                    By: X. Xxxxx Xxxx
                                        ----------------------------------------
                                            X. Xxxxx Xxxx, Secretary

Dated: August 25, 2000