| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 2,433,422 | 6.19 | $16,449,932 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 2,378,215 | 6.05 | $16,076,733 | 30-Sep-09 | | ESSEX INVESTMENT MANAGEMENT CO INC | 1,868,002 | 4.75 | $12,627,693 | 30-Sep-09 | | FRIESS ASSOCIATES INC | 1,502,449 | 3.82 | $10,156,555 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1,326,730 | 3.37 | $8,968,694 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,229,676 | 3.13 | $8,312,609 | 30-Sep-09 | | HEARTLAND ADVISORS INC. | 7,905,005 | 20.11 | $53,437,833 | 30-Sep-09 | | PERRITT CAPITAL MANAGEMENT, INC. | 896,100 | 2.28 | $6,057,636 | 30-Sep-09 | | STATE STREET CORPORATION | 795,963 | 2.02 | $5,380,709 | 30-Sep-09 | | ROXBURY CAPITAL MANAGEMENT | 738,670 | 1.88 | $4,993,409 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | HEARTLAND VALUE FUND | 3,895,000 | 9.91 | $23,058,400 | 30-Jun-09 | | PERRITT MICROCAP OPPORTUNITIES FUND | 850,000 | 2.16 | $5,746,000 | 30-Sep-09 | | DFA U.S. SMALL CAP SERIES | 651,738 | 1.66 | $2,072,526 | 30-Apr-09 | | Managers AMG Funds-Essex Small/Micro Cap Growth Fund | 626,545 | 1.59 | $3,684,084 | 31-Aug-09 | | DFA U.S. SMALL CAP VALUE SERIES | 622,521 | 1.58 | $1,979,616 | 30-Apr-09 | | ISHARES RUSSELL 2000 INDEX FD | 570,617 | 1.45 | $3,857,370 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 491,070 | 1.25 | $2,907,134 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 356,462 | .91 | $1,133,549 | 30-Apr-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 300,282 | .76 | $2,029,906 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 254,304 | .65 | $1,505,479 | 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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