| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 1,080,412 | 4.26 | $8,589,275 | 30-Sep-09 | | FMR LLC | 721,620 | 2.84 | $5,736,879 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 542,132 | 2.14 | $4,309,949 | 30-Sep-09 | | MARSHALL & ILSLEY CORPORATION | 525,728 | 2.07 | $4,179,537 | 30-Sep-09 | | ALYDAR PARTNERS, LLC | 500,000 | 1.97 | $3,975,000 | 30-Sep-09 | | PERRITT CAPITAL MANAGEMENT, INC. | 490,000 | 1.93 | $2,714,600 | 31-Dec-09 | | DRIEHAUS CAPITAL MANAGEMENT, INC. | 488,199 | 1.92 | $3,881,182 | 30-Sep-09 | | STATE STREET CORPORATION | 318,380 | 1.25 | $2,531,121 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 296,006 | 1.17 | $2,353,247 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 272,400 | 1.07 | $2,165,580 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | MARSHALL SMALL-CAP GROWTH FUND | 787,200 | 3.10 | $4,117,056 | 30-Nov-09 | | ISHARES RUSSELL 2000 INDEX FD | 278,566 | 1.10 | $1,456,900 | 30-Nov-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 239,097 | .94 | $1,047,244 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 222,741 | .88 | $1,189,436 | 31-Jul-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 191,306 | .75 | $1,520,882 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 155,497 | .61 | $813,249 | 30-Nov-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 121,397 | .48 | $531,718 | 30-Jun-09 | | PERRITT EMERGING OPPORTUNITIES FUND | 110,000 | .43 | $874,500 | 30-Sep-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY FD | 102,000 | .40 | $810,900 | 30-Sep-09 | | Jennison Blend Fund | 87,800 | .35 | $459,194 | 30-Nov-09 |
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*
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Value shown is computed using the security's price on the report date given.
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