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v2.4.0.8

Condensed Consolidated Statements of Operations (Unaudited) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Revenue: |  |  |  |
Revenue from licensing agreements, grants and other | $ 23,479 | $ 31,333 | $ 47,063 | $ 106,975
Revenue from product sales | 218,725 | 250,364 | 534,621 | 458,922
Total revenue | 242,204 | 281,697 | 581,684 | 565,897
Cost of product sales | 78,097 | 77,573 | 165,373 | 144,414
Gross profit | 164,107 | 204,124 | 416,311 | 421,483
Operating expenses: |  |  |  |
Research and development | 6,092,284 | 4,804,890 | 10,996,578 | 9,368,780
Selling, general and administrative | 2,175,797 | 1,581,521 | 4,423,397 | 3,469,278
Wind-down expenses |  | 38,978 |  | 61,837
Total operating expenses | 8,268,081 | 6,425,389 | 15,419,975 | 12,899,895
Loss from operations | (8,103,974) | (6,221,265) | (15,003,664) | (12,478,412)
Other income (expense): |  |  |  |
Change in fair value of warrant liability | (3,654,470) | 757,688 | (3,981,094) | 569,081
Interest income | 1,689 | 1,790 | 3,874 | 8,636
Interest expense | (343,224) | (392,855) | (723,712) | (403,003)
Other income (expense), net | (15,245) | (14,040) | (30,884) | 18,569
Total other expense, net | (4,011,250) | 352,583 | (4,731,816) | 193,283
Net loss | $ (12,115,224) | $ (5,868,682) | $ (19,735,480) | $ (12,285,129)
Basic and diluted net loss per share | $ (0.22) | $ (0.15) | $ (0.36) | $ (0.32)
Weighted average number of common shares outstanding, basic and diluted | 55,711,717 | 39,661,934 | 55,529,818 | 38,966,547

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