| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PERKINS CAPITAL MANAGEMENT, INC. | 1,175,000 | 3.24 | $2,585,000 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 779,394 | 2.15 | $1,714,666 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 717,848 | 1.98 | $1,579,265 | 30-Sep-09 | | LSV ASSET MANAGEMENT | 589,500 | 1.63 | $1,296,900 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 536,100 | 1.48 | $1,179,420 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 527,100 | 1.45 | $1,159,620 | 30-Sep-09 | | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 478,131 | 1.32 | $1,051,888 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 400,500 | 1.10 | $881,100 | 30-Sep-09 | | WHITEBOX ADVISORS, LLC | 396,796 | 1.09 | $872,951 | 30-Sep-09 | | DUBUQUE BANK & TRUST COMPANY | 347,591 | .96 | $764,700 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 335,197 | .92 | $553,075 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 246,157 | .68 | $108,309 | 30-Apr-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 112,691 | .31 | $185,940 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 62,418 | .17 | $27,463 | 30-Apr-09 | | DFA U.S. SMALL CAP SERIES | 59,110 | .16 | $26,008 | 30-Apr-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 50,065 | .14 | $110,143 | 30-Sep-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 32,814 | .09 | $14,438 | 31-Mar-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 32,600 | .09 | $53,790 | 30-Jun-09 | | LOTSOFF CAPITAL MANAGEMENT EQUITY TR-MICRO CAP FD | 30,400 | .08 | $70,224 | 31-Oct-09 | | Principal Small Cap Value Fd II | 18,400 | .05 | $30,360 | 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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