| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | ASHFORD CAPITAL MANAGEMENT INC. | 1,375,658 | 9.18 | $3,989,408 | 30-Sep-09 | | MARSHALL & ILSLEY CORPORATION | 283,001 | 1.89 | $820,702 | 30-Sep-09 | | OBERWEIS ASSET MANAGEMENT INC. | 231,900 | 1.55 | $672,510 | 30-Sep-09 | | PA COMMONWEALTH OF PUBLIC SCHOOL EMPLOYEES RETIREMENT SY | 59,600 | .40 | $172,840 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 48,699 | .32 | $182,621 | 30-Jun-09 | | VERITABLE, LP | 40,600 | .27 | $117,740 | 30-Sep-09 | | STEPHENS INVESTMENT MANAGEMENT LLC | 15,109 | .10 | $43,816 | 30-Sep-09 | | CORNERSTONE CAPITAL MANAGEMENT, INC. | 12,017 | .08 | $34,849 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 7,200 | .05 | $27,000 | 30-Jun-09 | | ESSEX INVESTMENT MANAGEMENT CO INC | 3,869 | .03 | $11,220 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | OBERWEIS MICRO-CAP PORTFOLIO | 35,000 | .23 | $131,250 | 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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