| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | GRUBER & MCBAINE CAPITAL MANAGEMENT LLC | 1,382,600 | 7.56 | $6,456,742 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 793,048 | 4.34 | $3,703,534 | 30-Sep-09 | | KALMAR INVESTMENTS INC. | 602,390 | 3.29 | $2,813,161 | 30-Sep-09 | | Cortina Asset Management, LLC | 520,350 | 2.85 | $2,430,034 | 30-Sep-09 | | WALL STREET ASSOCIATES | 509,100 | 2.78 | $2,377,497 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 2,530,424 | 13.84 | $11,817,080 | 30-Sep-09 | | CROSSLINK CAPITAL. INC. | 360,083 | 1.97 | $1,681,587 | 30-Sep-09 | | RICE, HALL, JAMES & ASSOCIATES | 268,408 | 1.47 | $1,253,465 | 30-Sep-09 | | True Bearing Asset Management LP | 214,589 | 1.17 | $1,002,130 | 30-Sep-09 | | PERKINS CAPITAL MANAGEMENT, INC. | 154,037 | .84 | $719,352 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) NEW HORIZONS FUND | 1,332,720 | 7.29 | $6,223,802 | 30-Sep-09 | | PRICE (T.ROWE) MEDIA & TELECOMMUNICATIONS FUND | 987,004 | 5.40 | $4,609,308 | 30-Sep-09 | | Underlying Fds Trs-Distressed Securities & Special Situation | 161,670 | .88 | $612,729 | 30-Jun-09 | | KALMAR POOLED INVESTMENT TR-GROWTH-WITH-VALUE-SMALLCAP F | 144,105 | .79 | $672,970 | 30-Sep-09 | | ADVISORS INNER CIRCLE FUND-RICE,HALL&JAMES MICRO CAP POR | 124,160 | .68 | $530,163 | 31-Jul-09 | | BRAZOS MICRO CAP PORTFOLIO | 107,357 | .59 | $501,357 | 30-Sep-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 73,266 | .40 | $277,678 | 30-Jun-09 | | Ivy Fds VIP-Micro Cap Growth Port | 54,600 | .30 | $206,934 | 30-Jun-09 | | Robeco Inv fds-Robeco Boston Partners Long/Short Equity Fd | 53,631 | .29 | $214,524 | 31-Aug-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 49,507 | .27 | $187,631 | 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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