| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WADDELL & REED FINANCIAL INC. | 2,314,242 | 8.65 | $13,723,455 | 30-Sep-09 | | Harvest Capital Strategies LLC | 1,983,762 | 7.42 | $11,763,708 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 1,798,320 | 6.72 | $10,664,037 | 30-Sep-09 | | VOYAGEUR ASSET MANAGEMENT INC | 1,352,253 | 5.06 | $8,018,860 | 30-Sep-09 | | NORTHPOINTE CAPITAL LLC | 1,247,070 | 4.66 | $7,395,125 | 30-Sep-09 | | S SQUARED TECHNOLOGY CORP. | 1,134,100 | 4.24 | $6,725,213 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,083,839 | 4.05 | $6,427,165 | 30-Sep-09 | | TODD-VEREDUS ASSET MANAGEMENT LLC | 1,073,850 | 4.01 | $6,367,930 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 993,283 | 3.71 | $5,890,168 | 30-Sep-09 | | HARRIS (WILLIAM) INVESTORS, INC. | 692,080 | 2.59 | $4,104,034 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | WADDELL & REED ADVISORS FDS-SMALL CAP FUND | 1,427,300 | 5.34 | $4,181,989 | 30-Jun-09 | | BLAIR (WILLIAM) MUTUAL FUNDS, INC.-SMALL CAP GROWTH FUND | 1,300,786 | 4.86 | $7,713,660 | 30-Sep-09 | | IVY SMALL CAP GROWTH FUND | 804,100 | 3.01 | $2,356,013 | 30-Jun-09 | | TAMARACK ENTERPRISE FD | 716,311 | 2.68 | $2,098,791 | 30-Jun-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 347,457 | 1.30 | $1,688,641 | 31-Oct-09 | | DFA U.S. SMALL CAP VALUE SERIES | 335,336 | 1.25 | $737,739 | 30-Apr-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 251,277 | .94 | $736,241 | 30-Jun-09 | | Columbia Fds Ser Tr I-Columbia Small Cap Core Fd | 248,744 | .93 | $728,819 | 30-Jun-09 | | Tamarack Small Cap Core Fd | 159,242 | .60 | $466,579 | 30-Jun-09 | | IShares S&P Small Cap 600 Growth Index Fund | 125,643 | .47 | $610,624 | 31-Oct-09 |
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Value shown is computed using the security's price on the report date given.
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