EXHIBIT 15.1 ACKNOWLEDGMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We acknowledge the incorporation by reference in this Registration Statement on Form S-3 of our report dated May 12, 2004, which appears on page 3 of the Quarterly Report on Form 10-Q of Equitex, Inc. for the quarter ended March 31, 2004. GELFOND HOCHSTADT PANGBURN, P.C. Denver, Colorado June 8, 2004 II-23