| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | KENNEDY CAPITAL MANAGEMENT, INC. | 696,086 | 7.87 | $1,670,606 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 199,283 | 2.25 | $478,279 | 30-Sep-09 | | PERRITT CAPITAL MANAGEMENT, INC. | 126,203 | 1.43 | $302,887 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 106,896 | 1.21 | $256,550 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 67,100 | .76 | $161,040 | 30-Sep-09 | | ARTIS CAPITAL MANAGEMENT, LLC | 42,710 | .48 | $102,504 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 25,800 | .29 | $53,148 | 30-Jun-09 | | COLORADO PUBLIC EMPLOYEES RETIREMENT ASSN (PERA) | 25,100 | .28 | $60,240 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 20,416 | .23 | $42,056 | 30-Jun-09 | | UBS AG | 1,735 | .02 | $4,164 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | PERRITT EMERGING OPPORTUNITIES FUND | 126,203 | 1.43 | $302,887 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 105,888 | 1.20 | $218,129 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 97,820 | 1.11 | $138,904 | 30-Apr-09 | | DFA Tax Managed U.S. Targeted Value Port | 18,266 | .21 | $40,002 | 31-Jul-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 9,439 | .11 | $22,653 | 30-Sep-09 | | DFA U.S. MICRO CAP SERIES | 6,461 | .07 | $9,174 | 30-Apr-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 5,749 | .06 | $12,590 | 31-Jul-09 | | DFA U.S. Core Equity 2 Portfolio | 2,386 | .03 | $3,388 | 30-Apr-09 | | DFA U.S. Vector Equity Portfolio | 1,600 | .02 | $2,272 | 30-Apr-09 | | Principal Small Cap Value Fd II | 1,112 | .01 | $2,290 | 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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