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v3.20.1

Quarterly Financial Information (Unaudited) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 279,488 | $ 866,863 | $ 135,673 | $ 2,829,905 | $ 2,502,624 | $ 2,000,868 | $ 24,448,761 | $ 1,529,644 | $ 4,111,930 | $ 30,481,897 | $ 42,220,086
Research and development | 22,003,955 | 19,137,209 | 22,486,266 | 24,389,888 | 26,365,647 | 21,851,858 | 22,462,620 | 24,577,751 | 88,017,319 | 95,257,876 | 98,572,618
General and administrative | 8,696,586 | 5,681,441 | 5,850,101 | 6,975,029 | 5,636,141 | 6,791,693 | 7,189,310 | 9,698,015 | 27,203,156 | 29,315,159 | 28,290,369
Total operating expenses | 30,700,541 | 24,818,650 | 28,336,367 | 31,364,917 | 32,001,788 | 28,643,551 | 29,651,930 | 34,275,766 | 115,220,475 | 124,573,035 | 125,862,987
Loss from operations | (30,421,053) | (23,951,787) | (28,200,694) | (28,535,012) | (29,499,164) | (26,642,683) | (5,203,169) | (32,746,122) | (111,108,545) | (94,091,138) | (83,642,901)
Interest income | 587,679 | 637,438 | 755,330 | 625,535 |  |  |  |  | 2,605,981 | 2,264,747 | 1,836,451
Interest expense | (2,668,837) | (2,428,671) | (2,194,783) | (656,248) |  |  |  |  | (7,948,539) | 0 | (25,933)
Interest and other income, net |  |  |  |  | (169,300) | 380,987 | 396,681 | 312,523 |  |  |
Change in fair value of common stock warrants |  |  |  |  | 0 | 228,665 | 259,971 | (127,841) | 0 | 360,795 | 806,819
Change in fair value of derivative liability | (4,315,105) | 2,551,453 | 0 | 0 |  |  |  |  | (1,763,652) | 0 | 0
Loss on investment in affiliated entities | (1,681,401) | (485,841) | (173,212) | (750,103) | (3,293,741) | 1,017,359 | (2,092,608) | 2,380,423 | (3,090,557) | (1,988,567) | (6,982,664)
Other income (expense), net | 263,571 | 140,956 | 127,512 | (35,839) |  |  |  |  | 496,200 | (1,343,856) | (197,544)
Net loss before income tax benefit/(provision for income tax) | (38,235,146) | (23,536,452) | (29,685,847) | (29,351,667) | (32,962,205) | (25,015,672) | (6,639,125) | (30,181,017) | (120,809,112) | (94,798,019) | (88,205,772)
Income tax benefit | 87,764 | 0 | 106,771 | 62,800 | 0 | 0 | 0 | (2,169,811) | 257,335 | (2,169,811) | 0
Net loss | (38,147,382) | (23,536,452) | (29,579,076) | (29,288,867) | $ (32,962,205) | $ (25,015,672) | $ (6,639,125) | $ (32,350,828) | (120,551,777) | (96,967,830) | (88,205,772)
Net loss attributable to non-controlling interest | 485,344 | 445,759 | 191,850 | 69,605 |  |  |  |  | 1,192,558 | 0 | 0
Net loss attributable to Inovio Pharmaceuticals, Inc. | $ (37,662,038) | $ (23,090,693) | $ (29,387,226) | $ (29,219,262) |  |  |  |  | $ (119,359,219) | $ (96,967,830) | $ (88,205,772)
Net loss per share |  |  |  |  |  |  |  |  |  |  |
Basic ($ per share) | $ (0.38) | $ (0.23) | $ (0.30) | $ (0.30) | $ (0.34) | $ (0.27) | $ (0.07) | $ (0.36) | $ (1.21) | $ (1.05) | $ (1.08)
Diluted ($ per share) | $ (0.38) | $ (0.25) | $ (0.30) | $ (0.30) | $ (0.34) | $ (0.27) | $ (0.08) | $ (0.36) | $ (1.21) | $ (1.05) | $ (1.09)
Revenue under collaborative research and development arrangements |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 184,523 | $ 617,427 | $ 64,283 | $ 2,770,712 | $ 2,372,600 | $ 1,813,287 | $ 24,385,852 | $ 1,289,046 | $ 3,636,945 | $ 29,860,785 | $ 28,407,388
Revenue under collaborative research and development arrangements with affiliated entities |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | 55,665 | 53,014 | 71,390 | 55,579 | 56,207 | 184,990 | 60,319 | 148,008 | $ 235,649 | $ 449,524 | $ 765,828
Miscellaneous revenue, including from affiliated entities |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 39,300 | $ 196,422 | $ 0 | $ 3,614 | $ 73,817 | $ 2,591 | $ 2,590 | $ 92,590 |  |  |

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