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v3.3.1.900

Consolidated Statements of Operations - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Grant revenue | $ 428,081 | $ 882,956 | $ 2,417,550
Operating expenses: |  |  |
Research and development | 1,693,102 | 1,812,969 | 2,914,878
General and administrative | 1,429,731 | 1,807,605 | 1,792,160
Total operating expenses | 3,122,833 | 3,620,574 | 4,707,038
Loss from operations | (2,694,752) | (2,737,618) | (2,289,488)
Other income: |  |  |
Interest income | 5,465 | 4,063 | 4,545
Total other income | 5,465 | 4,063 | 4,545
Net loss | $ (2,689,287) | $ (2,733,555) | $ (2,284,943)
Basic and diluted: |  |  |
Loss per common share (in dollars per share) | $ (0.08) | $ (0.10) | $ (0.11)
Weighted average shares outstanding (in shares) | 31,950,813 | 26,645,140 | 21,212,327

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