| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | RENAISSANCE TECHNOLOGIES, LLC | 303,800 | 6.31 | $5,286,120 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 300,799 | 6.24 | $5,233,902 | 30-Sep-09 | | ADVISORY RESEARCH, INC. | 265,294 | 5.51 | $4,616,115 | 30-Sep-09 | | AXA | 150,383 | 3.12 | $2,616,664 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 122,200 | 2.54 | $2,126,280 | 30-Sep-09 | | Murphy, Michael R. | 680,092 | 14.12 | $11,833,600 | 30-Sep-09 | | KENNEDY CAPITAL MANAGEMENT, INC. | 87,942 | 1.83 | $1,530,190 | 30-Sep-09 | | NUMERIC INVESTORS, LLC | 80,248 | 1.67 | $1,396,315 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 78,297 | 1.63 | $1,362,367 | 30-Sep-09 | | LSV ASSET MANAGEMENT | 64,507 | 1.34 | $1,122,421 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 111,500 | 2.31 | $1,204,200 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 61,473 | 1.28 | $547,109 | 30-Apr-09 | | DFA U.S. MICRO CAP SERIES | 43,304 | .90 | $385,405 | 30-Apr-09 | | DFA Tax Managed U.S. Targeted Value Port | 24,013 | .50 | $363,556 | 31-Jul-09 | | HIGHMARK COGNITIVE VALUE FUND | 23,900 | .50 | $361,846 | 31-Jul-09 | | DFA U.S. Targeted Value Portfolio | 21,305 | .44 | $189,614 | 30-Apr-09 | | TAMARACK MICRO CAP VALUE FD | 21,000 | .44 | $226,800 | 30-Jun-09 | | DFA U.S. SMALL CAP SERIES | 17,006 | .35 | $151,353 | 30-Apr-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 12,894 | .27 | $195,215 | 31-Jul-09 | | LAUDUS TR-LAUDUS/ROSENBERG U.S. SMALL CAPITALIZATION FD | 12,892 | .27 | $139,233 | 30-Jun-09 |
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*
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Value shown is computed using the security's price on the report date given.
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