| Edenbrook Capital, LLC | 5,952,016 | $81,245,018 | 15.14% |
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| P.A.W. CAPITAL CORP | 400,000 | $5,460,000 | 11.21% |
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| Kopion Asset Management, LLC | 603,231 | $8,234 | 6.97% |
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| Meros Investment Management, LP | 717,666 | $9,796,141 | 4.86% |
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| Millrace Asset Group, Inc. | 299,588 | $4,089 | 4.28% |
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| S Squared Technology, LLC | 540,746 | $7,381,183 | 3.65% |
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| Granahan Investment Management | 7,552,994 | $103,098,368 | 3.17% |
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| Engle Capital Management, L.P. | 622,000 | $8,490,300 | 2.63% |
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| G2 Investment Partners Management LLC | 756,036 | $10,319,891 | 2.50% |
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| Cannell Capital | 646,404 | $8,823,415 | 1.76% |
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| PERKINS CAPITAL MANAGEMENT INC | 133,325 | $1,820 | 1.59% |
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| Lapides Asset Management, LLC | 172,400 | $2,353,260 | 1.54% |
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| Rubric Capital Management LP | 2,214,022 | $30,221,400 | 1.29% |
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| Penn Capital Management Company, LLC | 918,093 | $12,531,969 | 1.22% |
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| Lisanti Capital Growth, LLC | 601,430 | $8,209,520 | 1.14% |
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| Manatuck Hill Partners, LLC | 163,500 | $2,231,775 | 1.06% |
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| KENNEDY CAPITAL MANAGEMENT LLC | 2,618,004 | $35,735,755 | 0.83% |
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| Connacht Asset Management LP | 35,493 | $484,479 | 0.66% |
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| 1492 Capital Management LLC | 78,974 | $1,077,995 | 0.63% |
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| OBERWEIS ASSET MANAGEMENT INC/ | 340,700 | $4,650,555 | 0.56% |
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