| FIL Ltd | 2,370,000 | $15.8m | 0.0% |
| GAGNON SECURITIES LLC | 1,960,074 | $13.0m | 2.5% |
| ROYCE & ASSOCIATES LP | 1,199,564 | $8.0m | 0.1% |
| Timelo Investment Management Inc. | 1,114,967 | $7.4m | 2.1% |
| Gagnon Advisors, LLC | 962,186 | $6.4m | 4.1% |
| First Eagle Investment Management, LLC | 880,414 | $5.9m | 0.0% |
| Rosalind Advisors, Inc. | 828,118 | $5.5m | 2.0% |
| Z3 Capital Partners, LLC | 820,941 | $5.5m | 1.1% |
| LETKO, BROSSEAU & ASSOCIATES INC | 935,725 | $5.4m | 0.1% |
| MMCAP International Inc. SPC | 671,356 | $4.5m | 0.4% |
| ARDSLEY ADVISORY PARTNERS LP | 575,000 | $3.8m | 0.4% |
| Ring Mountain Capital, LLC | 511,917 | $3.4m | 1.4% |
| Lagoda Investment Management, L.P. | 501,325 | $3.3m | 1.8% |
| ROYAL BANK OF CANADA | 491,495 | $3.3m | 0.0% |
| DAFNA Capital Management LLC | 260,360 | $1.7m | 0.3% |
| Bleichroeder LP | 254,753 | $1.7m | 0.3% |
| FORMULA GROWTH LTD | 240,088 | $1.6m | 0.6% |
| THOMPSON DAVIS & CO., INC. | 216,535 | $1.4m | 0.9% |
| Dauntless Investment Group, LLC | 208,369 | $1.4m | 1.1% |
| RAYMOND JAMES FINANCIAL INC | 189,116 | $1.3m | 0.0% |
| NATIONAL BANK OF CANADA /FI/ | 218,698 | $1.2m | 0.0% |
| CM Management, LLC | 175,000 | $1.2m | 0.7% |
| Velan Capital Investment Management LP | 170,278 | $1.1m | 0.7% |
| TD Waterhouse Canada Inc. | 138,110 | $933,554 | 0.0% |
| PERKINS CAPITAL MANAGEMENT INC | 114,280 | $759,962 | 0.6% |