Exhibit B
JOINT FILING AGREEMENT
This Agreement is filed as an exhibit to Schedule 13G being filed by
Potomac Capital Management LLC, Potomac Capital Management II LLC,
Potomac Capital Management Inc., and ▇▇▇▇ ▇. ▇▇▇▇▇ in compliance with
Rule 13d-1(k) of the Securities and Exchange Commission, which requires
an agreement in writing indicating that the Schedule 13G 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 and any amendments thereto and for the completeness and accuracy of
the information concerning such persons contained therein.
Dated: September 3, 2008
POTOMAC CAPITAL MANAGEMENT LLC
By: /s/ ▇▇▇▇ ▇. ▇▇▇▇▇
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▇▇▇▇ ▇. ▇▇▇▇▇, Managing Member
POTOMAC CAPITAL MANAGEMENT INC.
By: /s/ ▇▇▇▇ ▇. ▇▇▇▇▇
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▇▇▇▇ ▇. ▇▇▇▇▇, President
POTOMAC CAPITAL MANAGEMENT II LLC
By: /s/ ▇▇▇▇ ▇. ▇▇▇▇▇
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▇▇▇▇ ▇. ▇▇▇▇▇, Managing Member
▇▇▇▇ ▇. ▇▇▇▇▇
By: /s/ ▇▇▇▇ ▇. ▇▇▇▇▇
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▇▇▇▇ ▇. ▇▇▇▇▇