<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>3
<FILENAME>a2059574zex-23.txt
<DESCRIPTION>EXHIBIT 23
<TEXT>
<PAGE>





                                                                      Exhibit 23



                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
report dated July 24, 2001 included in this Form 10-KSB, into the Company's
previously filed Registration Statements on Form S-3, File Numbers 333-35884,
333-87977 and 333-66297 and on Form S-8, File Numbers 333-89989, 333-94125 and
33-72108.

                                                     /s/ Arthur Andersen LLP

                                                     ARTHUR ANDERSEN LLP

Boston, Massachusetts
September 20, 2001




</TEXT>
</DOCUMENT>
