| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIMENSIONAL FUND ADVISORS LP | 1,613,833 | 7.82 | $23,432,855 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 1,099,947 | 5.33 | $15,971,230 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,060,927 | 5.14 | $15,404,660 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 797,354 | 3.87 | $11,577,580 | 30-Sep-09 | | KENNEDY CAPITAL MANAGEMENT, INC. | 760,080 | 3.69 | $11,036,361 | 30-Sep-09 | | AXA | 732,180 | 3.55 | $10,631,253 | 30-Sep-09 | | PUTNAM INVESTMENT MANAGEMENT, LLC | 614,417 | 2.98 | $8,921,334 | 30-Sep-09 | | PRAESIDIUM INVESTMENT MANAGEMENT COMPANY LLC | 587,889 | 2.85 | $8,536,148 | 30-Sep-09 | | KOPP INVESTMENT ADVISORS. INC. | 442,883 | 2.15 | $6,430,661 | 30-Sep-09 | | PRINCIPAL FINANCIAL GROUP, INC. | 412,401 | 2.00 | $5,988,062 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE OPPORTUNITY FUND | 850,367 | 4.12 | $9,694,183 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 690,269 | 3.35 | $7,620,569 | 30-Apr-09 | | ISHARES RUSSELL 2000 INDEX FD | 300,536 | 1.46 | $4,363,782 | 30-Sep-09 | | PERRITT MICROCAP OPPORTUNITIES FUND | 250,000 | 1.21 | $3,630,000 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 249,051 | 1.21 | $2,839,181 | 30-Jun-09 | | PUTNAM VARIABLE TRUST-SMALL CAP VALUE FUND | 204,500 | .99 | $2,331,300 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 183,863 | .89 | $2,096,038 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 157,685 | .76 | $1,797,609 | 30-Jun-09 | | PUTNAM SMALL CAP VALUE FUND | 140,095 | .68 | $1,944,518 | 31-Aug-09 | | DFA Tax Managed U.S. Targeted Value Port | 129,469 | .63 | $1,646,845 | 31-Jul-09 |
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Value shown is computed using the security's price on the report date given.
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