| Minerva Advisors LLC | 846,851 | $8,129 | 5.62% |
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| Meros Investment Management, LP | 885,945 | $8,531,650 | 4.23% |
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| HARBERT FUND ADVISORS, INC. | 618,085 | $5,952,159 | 3.34% |
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| AWM Investment Company, Inc. | 2,000,000 | $19,260,000 | 2.61% |
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| Cove Street Capital, LLC | 465,801 | $4,485,663 | 1.39% |
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| WHITE PINE CAPITAL LLC | 156,661 | $1,508,645 | 0.56% |
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| Teton Advisors, Inc. | 200,000 | $1,926,000 | 0.54% |
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| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 911,111 | $8,773,999 | 0.54% |
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| Ranger Investment Management | 696,827 | $6,710,444 | 0.40% |
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| HEARTLAND ADVISORS INC | 425,000 | $4,092,750 | 0.23% |
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| BARD ASSOCIATES INC | 48,660 | $468,596 | 0.18% |
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| GREENWOOD CAPITAL ASSOCIATES LLC | 99,298 | $956,240 | 0.13% |
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| PERRITT CAPITAL MANAGEMENT INC | 14,293 | $137,642 | 0.08% |
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| ARS Investment Partners, LLC | 36,491 | $351,408 | 0.04% |
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| WASATCH ADVISORS LP | 690,444 | $6,648,976 | 0.04% |
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| Legato Capital Management LLC | 15,299 | $147,329 | 0.02% |
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| GABELLI FUNDS LLC | 202,000 | $1,945,260 | 0.02% |
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| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 57,600 | $554,688 | 0.01% |
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| First Eagle Investment Management, LLC | 361,399 | $3,480,272 | 0.01% |
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| Russell Investments Group, Ltd. | 407,684 | $3,925,996 | 0.01% |
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