| Minerva Advisors LLC | 846,851 | $8,172 | 5.71% |
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| Meros Investment Management, LP | 880,381 | $8,486,873 | 4.62% |
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| HARBERT FUND ADVISORS, INC. | 618,085 | $5,958,339 | 4.36% |
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| AWM Investment Company, Inc. | 2,000,000 | $19,280,000 | 2.85% |
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| Cove Street Capital, LLC | 458,567 | $4,484,785 | 1.52% |
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| WHITE PINE CAPITAL LLC | 154,381 | $1,488,233 | 0.60% |
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| Teton Advisors, Inc. | 200,000 | $1,928,000 | 0.60% |
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| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 939,918 | $9,060,810 | 0.58% |
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| Ranger Investment Management | 659,007 | $6,352,827 | 0.42% |
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| HEARTLAND ADVISORS INC | 500,000 | $4,820,000 | 0.27% |
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| BARD ASSOCIATES INC | 52,775 | $508,751 | 0.21% |
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| GREENWOOD CAPITAL ASSOCIATES LLC | 98,220 | $946,841 | 0.14% |
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| PERRITT CAPITAL MANAGEMENT INC | 14,293 | $137,785 | 0.08% |
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| WASATCH ADVISORS LP | 818,728 | $7,892,538 | 0.05% |
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| ARS Investment Partners, LLC | 35,406 | $341,314 | 0.04% |
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| GABELLI FUNDS LLC | 202,000 | $1,947,280 | 0.02% |
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| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 57,600 | $555,264 | 0.01% |
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| First Eagle Investment Management, LLC | 468,400 | $4,515,376 | 0.01% |
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| WINTON GROUP Ltd | 10,489 | $101,114 | 0.01% |
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| Russell Investments Group, Ltd. | 414,601 | $3,996,752 | 0.01% |
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