From the 2012 Annual Report (March 2013):
http://www.otcmarkets.com/financialReportViewer?symbol=MDMN&id=101076
NOTE 3—LOANS FROM STOCKHOLDERS
In 2002, the Board of Directors passed a resolution that the stockholder loans would bear an interest rate of 10%, with no specific terms of repayment. The stockholder loans consist of the following: Juan Jose Quijano Fernandez, president, director, and stockholder, as to $73,000; Greg Chapin, director and stockholder, as to $335,963; and GXK Venture, Inc. (Les Price), stockholder, as to $1,142,336. During 2012, by Board resolution, the Company issued some of its newly authorized preferred shares to these stockholders to satisfy these obligations.
From the Cash Flow Statement of the same report:
The Company issued 7,350 of its preferred shares in repayment of shareholder loans: $ 1,551,299