Exhibit 99.1



                            Explanation of Responses


(1)  The reported shares are owned directly by Standard General Master Fund
     L.P., a Cayman Islands exempted limited partnership ("Standard General
     Master Fund"). The reporting person, Mr. Nicholas Singer, a United States
     citizen ("Mr. Singer"), is a co-managing member of Standard General
     Management LLC, a Delaware limited liability company. Standard General
     Management LLC is the managing member of Standard General GP LLC, a
     Delaware limited liability company, which is the general partner of
     Standard General Master Fund. In addition, Mr. Singer has a controlling
     interest in Standard General S Corp., a Delaware corporation, which is the
     general partner of Standard General Holdings, L.P., a Delaware limited
     partnership. Standard General Holdings, L.P. is the general partner of
     Standard General L.P., a Delaware limited partnership, and pursuant to an
     investment management agreement, Standard General L.P. has all investment
     and voting power with respect to the securities held by Standard General
     Master Fund. Mr. Singer may be deemed to beneficially own the securities by
     virtue of the foregoing relationships. In accordance with instruction
     4(b)(iv), the entire number of the securities that may be deemed to be
     beneficially owned by Mr. Singer is reported herein. Mr. Singer hereby
     disclaims beneficial ownership of the reported securities for purposes of
     Section 16 of the Securities Exchange Act of 1934 except to the extent of
     his pecuniary interest therein.