Exhibit B JOINT FILING AGREEMENT The undersigned hereby agree that the Statement on Schedule 13G/A, and any further amendments thereto executed by each and any of us shall be filed on behalf of each of us pursuant to and in accordance with the...Joint Filing Agreement • March 2nd, 2009 • Potomac Capital Management LLC • Investment advice
This Agreement may be executed in separate counterparts, each of which shall be deemed an original, but all of which shall constitute one and the same instrument.
