| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | GRUBER & MCBAINE CAPITAL MANAGEMENT LLC | 556,362 | 6.34 | $5,285,439 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 479,955 | 5.47 | $4,559,572 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 260,762 | 2.97 | $2,477,239 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 184,522 | 2.10 | $1,752,959 | 30-Sep-09 | | True Bearing Asset Management LP | 93,179 | 1.06 | $885,200 | 30-Sep-09 | | PERKINS CAPITAL MANAGEMENT, INC. | 71,000 | .81 | $674,500 | 30-Sep-09 | | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 50,900 | .58 | $483,550 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 37,195 | .42 | $270,035 | 30-Jun-09 | | Bank of New York Mellon Corporation | 29,112 | .33 | $276,564 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 23,636 | .27 | $171,597 | 30-Jun-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. SMALL CAP VALUE SERIES | 140,989 | 1.61 | $1,008,071 | 30-Apr-09 | | DFA Tax Managed U.S. Targeted Value Port | 89,545 | 1.02 | $693,078 | 31-Jul-09 | | DFA U.S. MICRO CAP SERIES | 71,370 | .81 | $510,295 | 30-Apr-09 | | PROFESSIONALLY MANAGED PORTF-PERKINS DISCOVERY FUND | 65,000 | .74 | $617,500 | 30-Sep-09 | | DFA U.S. SMALL CAP SERIES | 23,698 | .27 | $169,440 | 30-Apr-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 22,928 | .26 | $177,462 | 31-Jul-09 | | TAMARACK MICRO CAP VALUE FD | 20,313 | .23 | $147,472 | 30-Jun-09 | | DFA U.S. Targeted Value Portfolio | 18,511 | .21 | $132,353 | 30-Apr-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 12,500 | .14 | $118,750 | 30-Sep-09 | | DFA U.S. Core Equity 2 Portfolio | 8,605 | .10 | $61,525 | 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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