| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DBD Investors V, L. L. C. | 2,607,335 | 9.09 | $7,300,538 | 30-Sep-09 | | CROSSLINK CAPITAL. INC. | 1,939,600 | 6.77 | $5,430,880 | 30-Sep-09 | | GRANAHAN INVESTMENT MANAGEMENT INC. | 1,204,870 | 4.20 | $3,373,636 | 30-Sep-09 | | THOMSON HORSTMANN & BRYANT, INC. | 936,300 | 3.27 | $2,621,640 | 30-Sep-09 | | JP MORGAN CHASE & COMPANY | 749,028 | 2.61 | $2,097,278 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 628,900 | 2.19 | $1,760,920 | 30-Sep-09 | | MindShare Capital Management, LLC | 281,155 | .98 | $787,234 | 30-Sep-09 | | FIRSTHAND CAPITAL MANAGEMENT, INC. | 244,129 | .85 | $436,990 | 30-Jun-09 | | RENAISSANCE TECHNOLOGIES, LLC | 239,506 | .84 | $670,616 | 30-Sep-09 | | LINDVALL CAPITAL MANAGEMENT, LLC | 211,744 | .74 | $592,883 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXPLORER FUND, INC. | 986,100 | 3.44 | $2,406,084 | 31-Jul-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 533,200 | 1.86 | $954,428 | 30-Jun-09 | | FIRSTHAND FUNDS-TECHNOLOGY VALUE FUND | 197,829 | .69 | $354,113 | 30-Jun-09 | | VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH | 156,800 | .55 | $280,672 | 30-Jun-09 | | Valic Company I-Small Cap Fd | 79,200 | .28 | $225,720 | 31-Aug-09 | | FIDELITY SELECT PORTFOLIOS - NETWORKING & INFRASTRUCTURE | 64,700 | .23 | $113,225 | 31-May-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 64,580 | .23 | $115,598 | 30-Jun-09 | | Alger Fds II-Alger Green Fund | 46,785 | .16 | $114,155 | 31-Jul-09 | | FIRSTHAND FUNDS-E-COMMERCE FUND | 46,300 | .16 | $82,877 | 30-Jun-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 39,722 | .14 | $111,221 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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