| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | STEPHENS INVESTMENT MANAGEMENT LLC | 1,664,437 | 5.58 | $9,071,181 | 30-Sep-09 | | SMITH (THOMAS W.) | 1,438,399 | 4.82 | $7,839,274 | 30-Sep-09 | | MARXE, AUSTIN W. & GREENHOUSE, DAVID M. | 767,222 | 2.57 | $4,181,359 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 280,900 | .94 | $1,530,905 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 251,478 | .84 | $1,370,555 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 145,900 | .49 | $795,155 | 30-Sep-09 | | STATE STREET CORPORATION | 128,688 | .43 | $701,349 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 122,558 | .41 | $667,941 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 98,800 | .33 | $538,460 | 30-Sep-09 | | Blackrock Investment Management LLC | 76,194 | .26 | $415,257 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE MICRO CAP TRUST | 302,599 | 1.01 | $1,140,798 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 143,748 | .48 | $783,426 | 30-Sep-09 | | ISHARES RUSSELL 2000 VALUE INDEX FD | 76,953 | .26 | $419,393 | 30-Sep-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 67,316 | .23 | $253,781 | 30-Jun-09 | | PROFESSIONALLY MANAGED PORTF-PERKINS DISCOVERY FUND | 45,000 | .15 | $245,250 | 30-Sep-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 28,450 | .10 | $155,052 | 30-Sep-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 15,373 | .05 | $57,956 | 30-Jun-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 14,907 | .05 | $81,243 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 9,085 | .03 | $49,513 | 30-Sep-09 | | Valic Company I-Small Cap Index Fd | 7,974 | .03 | $43,458 | 31-Aug-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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