| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | HEARTLAND ADVISORS INC. | 1,714,080 | 9.93 | $6,084,984 | 30-Sep-09 | | KOPP INVESTMENT ADVISORS. INC. | 930,605 | 5.39 | $3,303,647 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 403,330 | 2.34 | $1,431,821 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 356,705 | 2.07 | $1,266,302 | 30-Sep-09 | | PERKINS CAPITAL MANAGEMENT, INC. | 2,064,354 | 11.95 | $7,328,456 | 30-Sep-09 | | ASHFORD CAPITAL MANAGEMENT INC. | 152,778 | .88 | $542,361 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 111,700 | .65 | $396,535 | 30-Sep-09 | | WOOD & COMPANY | 88,667 | .51 | $314,767 | 30-Sep-09 | | FIRST NEW YORK SECURITIES L.L.C. | 50,000 | .29 | $177,500 | 30-Sep-09 | | STEPHENS INVESTMENT MANAGEMENT LLC | 42,957 | .25 | $152,497 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | HEARTLAND VALUE FUND | 1,380,000 | 7.99 | $3,381,000 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 151,690 | .88 | $285,177 | 30-Apr-09 | | PROFESSIONALLY MANAGED PORTF-PERKINS DISCOVERY FUND | 90,000 | .52 | $319,500 | 30-Sep-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 29,865 | .17 | $106,020 | 30-Sep-09 | | DFA U.S. Targeted Value Portfolio | 27,500 | .16 | $51,700 | 30-Apr-09 | | DFA Tax Managed U.S. Targeted Value Port | 17,800 | .10 | $53,934 | 31-Jul-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 12,977 | .08 | $39,320 | 31-Jul-09 | | DFA U.S. Core Equity 2 Portfolio | 8,754 | .05 | $16,457 | 30-Apr-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 6,055 | .04 | $21,495 | 30-Sep-09 | | DFA U.S. Core Equity 1 Portfolio | 3,323 | .02 | $6,247 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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