| JACOB ASSET MANAGEMENT OF NEW YORK LLC | 659,039 | $2,260,504 | 2.64% |
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| Cannell Capital | 2,905,696 | $9,966,537 | 1.93% |
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| Private Capital Management, LLC | 4,349,003 | $14,917,080 | 1.74% |
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| AWM Investment Company, Inc. | 1,579,956 | $5,419,249 | 0.73% |
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| Potomac Capital Management, Inc. | 170,000 | $583,100 | 0.61% |
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| Lynrock Lake LP | 3,604,466 | $12,363,318 | 0.58% |
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| BARD ASSOCIATES INC | 353,590 | $1,212,814 | 0.50% |
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| PERRITT CAPITAL MANAGEMENT INC | 239,188 | $820,415 | 0.46% |
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| OPTIONS SOLUTIONS, LLC | 62,266 | $213,572 | 0.24% |
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| OAK FAMILY ADVISORS, LLC | 101,152 | $346,951 | 0.17% |
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| ArrowMark Colorado Holdings LLC | 1,604,108 | $5,502,090 | 0.06% |
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| INNOVIS ASSET MANAGEMENT LLC | 29,416 | $100,897 | 0.04% |
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| EQUITABLE TRUST CO | 151,918 | $521,079 | 0.04% |
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| Y.D. More Investments Ltd | 53,020 | $181,859 | 0.04% |
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| ROYCE & ASSOCIATES LP | 996,925 | $3,419,453 | 0.03% |
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| Brandywine Global Investment Management, LLC | 2,299,274 | $7,886,510 | 0.03% |
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| Worth Venture Partners, LLC | 13,932 | $47,787 | 0.02% |
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| CONNORS INVESTOR SERVICES INC | 41,000 | $141 | 0.02% |
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| CHICAGO TRUST Co NA | 10,965 | $37,609 | 0.01% |
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| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 75,700 | $259,651 | 0.01% |
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