Exhibit B
JOINT FILING AGREEMENT
The undersigned hereby agree that the Statement on Schedule 13G, dated
February 27, 2007 with respect to the shares of Common Stock of Ardent
Acquisition Corporation 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 provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of
1934, as amended.
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.
Dated: February 27, 2007
POTOMAC CAPITAL MANAGEMENT LLC
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
