Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Sam Lindsey with power of substitution, as his attorney-in-fact for him, in all capacities, to sign any amendments to this registration statement and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-in-fact or his substitutes may do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the date indicated. Signature Title Date --------- ----- ---- /s/ Sam Lindsey Chairman of the Board and Chief Executive September 11, 2000 Officer and Director /s/ Greggory J. Kaiser President, Secretary and Director September 11, 2000 /s/ Mark A. Thomas Director September 11, 2000