Item 5 of the Schedule 13D
is hereby amended to read in its entirety as follows:
The information concerning
percentages of ownership set forth below is based on 19,732,863 shares of
Common Stock reported outstanding as of July 31, 2008 in the Companys most
recent Quarterly Report on Form 10-Q, for the period ended June 30, 2008.
Discovery Equity Partners
beneficially owns 1,595,756 shares of Common Stock as of October 17, 2008,
which represents 8.1% of the outstanding Common Stock.
Discovery Group
beneficially owns 1,854,097 shares of Common Stock as of October 17, 2008,
which represents 9.4% of the outstanding Common Stock.
Mr. Donoghue beneficially
owns 1,854,097 shares of Common Stock as of October 17, 2008, which
represents 9.4% of the outstanding Common Stock.
Mr. Murphy beneficially
owns 1,854,097 shares of Common Stock as of October 17, which represents 9.4%
of the outstanding Common Stock.
Discovery Group is the
sole general partner of Discovery Equity Partners and has sole discretionary
investment authority with respect to the other Partnerships investment in
the Common Stock. Messrs. Donoghue and
Murphy are the sole managing members of Discovery Group. As a consequence, Discovery Group and
Messrs. Donoghue and Murphy may be deemed to share beneficial ownership of
all of the shares of Common Stock owned by both of the Partnerships, while
Discovery Equity Partners shares beneficial ownership with Discovery Group
and Messrs. Donoghue and Murphy of only the shares of Common Stock owned by
it.
The transactions in Common
Stock effected by the Reporting Persons since the date of the most recent
filing on Schedule 13D are set out in
Exhibit 1
hereto.
No person other than the
Partnerships is known to any Reporting Person to have the right to receive or
the power to direct the receipt of dividends from, or the proceeds from the
sale of, any of the shares of Common Stock reported herein.
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