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Consolidated Statements of Operations (Unaudited) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Revenues: |  |  |
License fee and milestone revenue | $ 82,536 | $ 156,397 | $ 213,916
License fee and milestone revenue from affiliated entity | 425,000 | 411,459 | 313,306
Revenue under collaborative research and development arrangements with affiliated entity | 152,467 | 0 | 0
Grants and miscellaneous revenue | 3,458,649 | 9,227,401 | 5,549,583
Miscellaneous revenue from affiliated entity | 0 | 0 | 67,900
Total revenues | 4,118,652 | 9,795,257 | 6,144,705
Operating expenses: |  |  |
Research and development | 17,984,825 | 20,032,001 | 13,256,606
General and administrative | 10,778,359 | 11,988,796 | 12,108,261
Gain on sale of intangible assets | (1,151,000) | (587,000) | 0
Total operating expenses | 27,612,184 | 31,433,797 | 25,364,867
Loss from operations | (23,493,532) | (21,638,540) | (19,220,162)
Other income (expense): |  |  |
Interest and other income, net | 166,113 | 34,285 | 147,406
Change in fair value of common stock warrants | 1,982,620 | 8,690,658 | 2,403,924
Gain (Loss) on investment in affiliated entity | 1,631,819 | (2,390,498) | (969,914)
Net gain (loss) | (19,712,980) | (15,304,095) | (17,638,746)
Net loss attributable to non-controlling interest | 44,025 | 51,150 | 24,950
Net gain (loss) attributable to Inovio Pharmaceuticals, Inc. | $ (19,668,955) | $ (15,252,945) | $ (17,613,796)
Loss per common share—basic and diluted: |  |  |
Net loss per share attributable to Inovio Pharmaceuticals, Inc. stockholders | $ (0.14) | $ (0.12) | $ (0.17)
Weighted average number of common shares outstanding—basic and diluted | 136,509,247 | 126,239,336 | 103,201,880

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