| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Robeco Investment Management, Inc. | 440,470 | 2.28 | $537,373 | 30-Sep-09 | | Camden Partners Holdings, LLC | 2,453,288 | 12.72 | $2,993,011 | 30-Sep-09 | | Marathon Capital Management | 1,955,700 | 10.14 | $2,385,954 | 30-Sep-09 | | Tokum Capital Management, LP | 328,610 | 1.70 | $400,904 | 30-Sep-09 | | PERRITT CAPITAL MANAGEMENT, INC. | 300,000 | 1.56 | $366,000 | 30-Sep-09 | | FIRST WILSHIRE SECURITIES MANAGEMENT INC | 272,287 | 1.41 | $332,190 | 30-Sep-09 | | Portolan Capital Management, LLC | 200,080 | 1.04 | $244,097 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 120,838 | .63 | $147,422 | 30-Sep-09 | | TRANSAMERICA INVESTMENT MANAGEMENT LLC | 94,600 | .49 | $115,412 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 60,400 | .31 | $84,560 | 30-Jun-09 |
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| Holder | Shares | % Out | Value* | Reported | | Robeco Inv fds-Robeco Boston Partners Long/Short Equity Fd | 302,535 | 1.57 | $435,650 | 31-Aug-09 | | PERRITT EMERGING OPPORTUNITIES FUND | 270,000 | 1.40 | $329,400 | 30-Sep-09 | | CLEARWATER SMALL CAP FUND | 34,430 | .18 | $48,202 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 26,839 | .14 | $24,155 | 30-Apr-09 | | DFA U.S. SMALL CAP SERIES | 26,048 | .14 | $23,443 | 30-Apr-09 | | DFA U.S. Core Equity 2 Portfolio | 13,963 | .07 | $12,566 | 30-Apr-09 | | DFA U.S. Vector Equity Portfolio | 6,105 | .03 | $5,494 | 30-Apr-09 | | SA FDS INV TR-U.S. SMALL COMPANY FD | 4,300 | .02 | $6,020 | 30-Jun-09 | | DFA U.S. Core Equity 1 Portfolio | 1,400 | .01 | $1,260 | 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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