EX-23.1 2 v042207_ex23-1.htm

Exhibit 23.1
 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
 
 
We consent to the use in this registration statement on Form SB-2 of our report dated February 10, 2006, except for Note 18, as to which the date is March 21, 2006 which appears on page F-2, for the year ended December 31, 2005 and to reference to our Firm under the heading “Experts” in the registration statement.
 

 
/s/ VIRCHOW, KRAUSE & COMPANY, LLP

Minneapolis, Minnesota
May 5, 2005