Item 5.02. Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Departure of Chief Financial Officer, Treasurer and Secretary

On February 21, 2013, Eduardo Altamirano, our Chief Financial Officer, Treasurer and Secretary, informed us that he was resigning from all his positions at the company effective April 15, 2013. A copy of his letter of resignation is attached as an exhibit to this report and is incorporated by reference herein. The Chairman of our Audit Committee and each other non-management member of our Board of Directors spoke with Mr. Altamirano about the reasons for his departure. Following these discussions, our Board of Directors accepted Mr. Altamirano's resignation.

We have begun a search for a new chief financial officer.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

The following exhibit is furnished with this Current Report on Form 8-K:

Exhibit No. Description

99.1 Letter of Resignation of Eduardo Altamirano., dated as of February 21, 2013.