Exhibit B
JOINT FILING AGREEMENT
This Agreement is filed as an exhibit to Schedule 13G/A being filed by
Potomac Capital Management LLC, Potomac Capital Management II 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: July 29th, 2010
POTOMAC CAPITAL MANAGEMENT LLC
By: /s/ Xxxx X. Xxxxx
--------------------------------
Xxxx X. Xxxxx, Managing Member
POTOMAC CAPITAL MANAGEMENT II LLC
By: /s/ Xxxx X. Xxxxx
--------------------------------
Xxxx X. Xxxxx, Managing Member
XXXX X. XXXXX
By: /s/ Xxxx X. Xxxxx
--------------------------------
Xxxx X. Xxxxx
