| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | POTOMAC CAPITAL MANAGEMENT, INC. | 325,005 | 2.82 | $494,007 | 30-Sep-09 | | BMI CAPITAL CORPORATION | 2,216,783 | 19.25 | $3,369,510 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 72,755 | .63 | $110,587 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 62,600 | .54 | $95,152 | 30-Sep-09 | | GRANAHAN INVESTMENT MANAGEMENT INC. | 29,120 | .25 | $44,262 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 27,286 | .24 | $41,474 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 6,600 | .06 | $12,408 | 30-Jun-09 | | UBS AG | 4,171 | .04 | $6,339 | 30-Sep-09 | | FIRST NATIONAL BANK IN SIOUX FALLS | 2,000 | .02 | $3,040 | 30-Sep-09 | | Ameriprise Financial, Inc. | 200 | .00 | $304 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE MICRO CAP TRUST | 62,600 | .54 | $117,688 | 30-Jun-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 16,119 | .14 | $31,432 | 31-Jul-09 | | DFA U.S. Core Equity 1 Portfolio | 2,600 | .02 | $5,226 | 30-Apr-09 | | SA FDS INV TR-U.S. SMALL COMPANY FD | 2,529 | .02 | $4,754 | 30-Jun-09 | | DFA TAX MANAGED U.S. EQUITY SERIES | 1,900 | .02 | $3,819 | 30-Apr-09 | | DFA U.S. MICRO CAP SERIES | 997 | .01 | $2,003 | 30-Apr-09 | | DFA U.S. SMALL CAP SERIES | 106 | .00 | $213 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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