JOINT FILING AGREEMENT
Exhibit B
This Agreement is filed as an exhibit to Schedule 13G/A being filed by Potomac Capital Management LLC, Potomac Capital Management Inc., and Xxxx X. Xxxxx in compliance with Rule 13d-1(k) of the Securities and Exchange Commission, which requires an agreement in writing indicating that the Schedule 13G/A to which this Agreement is attached is filed on behalf of the below-named entities, that they are each responsible for the timely filing of the Schedule 13G/A and any amendments thereto and for the completeness and accuracy of the information concerning such persons contained therein.
Dated: February 16, 2011
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx, Managing Member
POTOMAC CAPITAL MANAGEMENT INC.
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx, President
XXXX X. XXXXX
By: /s/ Xxxx X. Xxxxx
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Xxxx X. Xxxxx
