The Company accounts for its investments in affiliated companies under the equity method of accounting. In July 1994, the Company acquired a 50% general partnership interest in Eleven Hurley Street Associates (EHSA), a real estate partnership, which owns the Company’s principal office and research and development facilities. The Company’s lease with EHSA requires annual rental payments of $239,000 through 2002 and $262,000 from 2003 through 2007. The partnership’s income was not significant for any of the periods presented. At October 31, 2001 and 2000, the Company’s proportionate share of EHSA’s net equity was approximately $32,000 and $66,000, respectively.