| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 1,040,016 | 5.22 | $11,180,172 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 957,300 | 4.80 | $10,290,975 | 30-Sep-09 | | AXA | 885,727 | 4.44 | $9,521,565 | 30-Sep-09 | | RIMA MANAGEMENT LLC | 871,046 | 4.37 | $9,363,744 | 30-Sep-09 | | DISCIPLINED GROWTH INVESTORS, INC. | 795,994 | 3.99 | $8,556,935 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 707,573 | 3.55 | $7,606,409 | 30-Sep-09 | | MASSACHUSETTS FINANCIAL SERVICES CO - OTHER | 609,050 | 3.05 | $6,547,287 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 587,455 | 2.95 | $6,315,141 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 2,366,300 | 11.87 | $25,437,725 | 30-Sep-09 | | MARXE, AUSTIN W. & GREENHOUSE, DAVID M. | 2,327,277 | 11.67 | $25,018,227 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE LOW-PRICED STOCK FUND | 1,281,400 | 6.43 | $11,122,552 | 30-Jun-09 | | ROYCE MICRO-CAP FUND | 695,000 | 3.49 | $6,032,600 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 446,563 | 2.24 | $3,916,357 | 31-Jul-09 | | ROYCE CAPITAL FUND-MICRO-CAP PORTFOLIO | 379,500 | 1.90 | $3,294,060 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 285,604 | 1.43 | $3,070,243 | 30-Sep-09 | | DFA U.S. SMALL CAP VALUE SERIES | 267,028 | 1.34 | $2,202,981 | 30-Apr-09 | | DFA U.S. MICRO CAP SERIES | 187,703 | .94 | $1,548,549 | 30-Apr-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 186,900 | .94 | $1,622,292 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 156,697 | .79 | $1,360,129 | 30-Jun-09 | | VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH | 147,500 | .74 | $1,280,300 | 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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