| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIKER MANAGEMENT, LLC | 692,700 | 6.84 | $1,856,436 | 30-Sep-09 | | MARXE, AUSTIN W. & GREENHOUSE, DAVID M. | 1,990,348 | 19.66 | $5,334,132 | 30-Sep-09 | | SAND HILL ADVISORS, INC. | 104,206 | 1.03 | $279,272 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 3,853 | .04 | $10,326 | 30-Sep-09 | | AXA | 3,700 | .04 | $9,916 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,492 | .01 | $3,998 | 30-Sep-09 | | MERRILL LYNCH & CO., INC. | 1,180 | .01 | $3,162 | 30-Sep-09 | | UBS AG | 1,061 | .01 | $2,843 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1 | .00 | $2 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXPLORER FUND, INC. | 3,800 | .04 | $12,806 | 31-Jul-09 |
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*
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Value shown is computed using the security's price on the report date given.
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