Exhibit B JOINT FILING AGREEMENT The undersigned hereby agree that the Statement on Schedule 13G, 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 • September 7th, 2007 • Potomac Capital Management LLC • Services-personal services
Contract Type FiledSeptember 7th, 2007 Company IndustryThis 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.