| Divisadero Street Capital Management, LP | 970,000 | $24,182,100 | 6.99% |
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| Kent Lake Capital LLC | 325,000 | $8,102,250 | 3.72% |
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| Tamarack Advisers, LP | 300,000 | $7,479,000 | 2.31% |
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| PERKINS CAPITAL MANAGEMENT INC | 83,350 | $2,078 | 1.81% |
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| First Light Asset Management, LLC | 711,345 | $17,733,831 | 1.39% |
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| AWM Investment Company, Inc. | 361,489 | $9,011,921 | 1.22% |
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| NEXT CENTURY GROWTH INVESTORS LLC | 483,625 | $12,056,771 | 1.16% |
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| Millrace Asset Group, Inc. | 37,909 | $945 | 0.99% |
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| OBERWEIS ASSET MANAGEMENT INC/ | 294,950 | $7,353,104 | 0.89% |
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| 1492 Capital Management LLC | 60,140 | $1,499,290 | 0.87% |
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| EAM Investors, LLC | 140,102 | $3,492,743 | 0.65% |
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| PETRA FINANCIAL ADVISORS INC | 26,703 | $665,706 | 0.59% |
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| Lisanti Capital Growth, LLC | 170,130 | $4,241,341 | 0.59% |
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| Intrinsic Edge Capital Management LLC | 264,282 | $6,588,550 | 0.47% |
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| Perceptive Advisors | 602,377 | $15,017,259 | 0.44% |
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| GLOBEFLEX CAPITAL L P | 131,471 | $3,277,572 | 0.37% |
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| Range Financial Group LLC | 22,302 | $555,989 | 0.35% |
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| Numerai GP LLC | 64,505 | $1,608,110 | 0.33% |
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| Harvest Investment Services, LLC | 22,465 | $560,052 | 0.32% |
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| RICE HALL JAMES & ASSOCIATES, LLC | 199,998 | $4,985,952 | 0.28% |
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