| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FEINBERG, STEPHEN A. | 1,559,268 | 8.48 | $5,317,103 | 30-Sep-09 | | CLOUGH CAPITAL PARTNERS, LP | 1,298,496 | 7.06 | $4,427,871 | 30-Sep-09 | | Portolan Capital Management, LLC | 1,228,345 | 6.68 | $4,188,656 | 30-Sep-09 | | DEERFIELD MANAGEMENT | 1,098,061 | 5.97 | $3,744,388 | 30-Sep-09 | | Rmb Capital Management, LLC | 1,048,891 | 5.70 | $3,576,718 | 30-Sep-09 | | Black River Asset Management LLC | 828,900 | 4.51 | $2,826,549 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 366,081 | 1.99 | $1,248,336 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 323,016 | 1.76 | $1,101,484 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 275,445 | 1.50 | $939,267 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 114,500 | .62 | $390,445 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. MICRO CAP SERIES | 183,566 | 1.00 | $688,372 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 152,070 | .83 | $363,447 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 130,695 | .71 | $312,361 | 30-Jun-09 | | Clough Global Equity Fund | 121,100 | .66 | $412,951 | 30-Sep-09 | | Clough Global Opportunities Fund | 109,500 | .60 | $373,395 | 30-Sep-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 28,751 | .16 | $107,816 | 31-Jul-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 27,770 | .15 | $78,589 | 31-Oct-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 27,491 | .15 | $65,703 | 30-Jun-09 | | DFA U.S. SMALL CAP SERIES | 19,500 | .11 | $73,125 | 31-Jul-09 | | VANGUARD BALANCED INDEX FUND | 10,860 | .06 | $25,955 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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