| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | OBERWEIS ASSET MANAGEMENT INC. | 187,700 | 6.27 | $1,445,290 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 170,922 | 5.71 | $1,316,099 | 30-Sep-09 | | BRYN MAWR TRUST COMPANY | 59,525 | 1.99 | $504,176 | 30-Jun-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 51,300 | 1.71 | $395,010 | 30-Sep-09 | | PA COMMONWEALTH OF PUBLIC SCHOOL EMPLOYEES RETIREMENT SY | 44,200 | 1.48 | $340,340 | 30-Sep-09 | | RAFFLES ASSOCIATES LP | 22,319 | .75 | $171,856 | 30-Sep-09 | | COLORADO PUBLIC EMPLOYEES RETIREMENT ASSN (PERA) | 14,900 | .50 | $114,730 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 7,725 | .26 | $65,430 | 30-Jun-09 | | AXA | 5,333 | .18 | $41,064 | 30-Sep-09 | | OHIO-STATE TEACHERS RETIREMENT SYSTEM | 1,300 | .04 | $10,010 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. SMALL CAP VALUE SERIES | 40,915 | 1.37 | $153,022 | 30-Apr-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 30,200 | 1.01 | $255,794 | 30-Jun-09 | | OBERWEIS MICRO-CAP PORTFOLIO | 21,100 | .71 | $178,717 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 20,512 | .69 | $76,714 | 30-Apr-09 | | DFA U.S. SMALL CAP SERIES | 12,771 | .43 | $47,763 | 30-Apr-09 | | SEI INSTITUTIONAL INVESTMENT TR-SMALL CAP FUND | 12,200 | .41 | $135,664 | 31-May-09 | | DFA Tax Managed U.S. Targeted Value Port | 11,871 | .40 | $100,309 | 31-Jul-09 | | SEI INSTITUTIONAL MANAGED TR-SMALL CAP VALUE FUND | 10,100 | .34 | $85,547 | 30-Jun-09 | | SEI INSTITUTIONAL MANAGED TR-TAX MANAGED SMALL CAP FUND | 4,200 | .14 | $35,574 | 30-Jun-09 | | DFA TAX MANAGED U.S. MARKETWIDE VALUE SERIES | 2,600 | .09 | $9,724 | 30-Apr-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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