| Archon Capital Management LLC | 3,452,030 | $11,046,496 | 2.90% |
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| AIGH Capital Management LLC | 1,895,231 | $6,064,739 | 2.87% |
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| Taylor Frigon Capital Management LLC | 621,147 | $1,987,670 | 1.10% |
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| Worth Venture Partners, LLC | 462,606 | $1,480,339 | 0.88% |
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| PERKINS CAPITAL MANAGEMENT INC | 211,800 | $678 | 0.67% |
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| PURA VIDA INVESTMENTS, LLC | 836,990 | $2,678,368 | 0.51% |
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| ESSEX INVESTMENT MANAGEMENT CO LLC | 372,106 | $1,190,739 | 0.19% |
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| GREENWOOD CAPITAL ASSOCIATES LLC | 301,809 | $965,789 | 0.14% |
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| RTW INVESTMENTS, LP | 1,777,194 | $5,687,021 | 0.12% |
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| Legato Capital Management LLC | 140,062 | $448,198 | 0.06% |
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| ROYCE & ASSOCIATES LP | 2,009,600 | $6,430,720 | 0.06% |
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| SCHOLTZ & COMPANY, LLC | 20,000 | $64 | 0.04% |
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| HORIZON KINETICS ASSET MANAGEMENT LLC | 615,000 | $1,968,000 | 0.04% |
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| Strategic Financial Concepts, LLC | 14,198 | $45,434 | 0.02% |
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| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 163,100 | $521,920 | 0.01% |
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| Divisadero Street Capital Management, LP | 12,146 | $38,867 | 0.01% |
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| Caprock Group, LLC | 20,635 | $66,032 | 0.01% |
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| Trexquant Investment LP | 40,863 | $130,762 | 0.00% |
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| SALEM INVESTMENT COUNSELORS INC | 21,510 | $68,832 | 0.00% |
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| Tower Research Capital LLC (TRC) | 15,943 | $51,018 | 0.00% |
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