| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,257,656 | 8.18 | $27,316,288 | 30-Sep-09 | | GILDER, GAGNON, HOWE & CO. | 707,814 | 4.60 | $15,373,720 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 631,902 | 4.11 | $13,724,911 | 30-Sep-09 | | KENNEDY CAPITAL MANAGEMENT, INC. | 427,751 | 2.78 | $9,290,751 | 30-Sep-09 | | Wellspring Management, LLC | 390,000 | 2.54 | $8,470,800 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 305,248 | 1.98 | $6,629,986 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 267,354 | 1.74 | $5,806,928 | 30-Sep-09 | | STATE STREET CORPORATION | 247,602 | 1.61 | $5,377,915 | 30-Sep-09 | | American Century Companies, Inc. | 227,657 | 1.48 | $4,944,710 | 30-Sep-09 | | MORGAN STANLEY | 215,612 | 1.40 | $4,683,092 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ISHARES RUSSELL 2000 INDEX FD | 190,832 | 1.24 | $4,144,871 | 30-Sep-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY FD | 165,200 | 1.07 | $1,893,192 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 136,948 | .89 | $1,569,424 | 30-Jun-09 | | AMERICAN CENTURY NEW OPPORTUNITIES II FUND | 128,003 | .83 | $2,780,225 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 100,005 | .65 | $2,172,108 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 91,966 | .60 | $1,374,891 | 31-Jul-09 | | CLEARWATER SMALL CAP FUND | 84,971 | .55 | $973,767 | 30-Jun-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 73,799 | .48 | $845,736 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 72,729 | .47 | $833,474 | 30-Jun-09 | | AMERICAN CENTURY VEEDOT FUND | 61,500 | .40 | $1,335,780 | 30-Sep-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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