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Geneos Therapeutics, Inc. - Narrative (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 7 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 01, 2020 | Nov. 30, 2020 | Feb. 28, 2019 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2020
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire additional interest in subsidiaries |  |  |  |  |  |  |  |  | $ 1,399,999 | $ 0 | $ 0 |
Gain on deconsolidation of Geneos |  |  |  | $ 0 | $ 0 | $ 4,121,075 | $ 0 |  | 4,121,075 | 0 | 0 |
Share in net loss of Geneos |  |  |  | 1,923,179 | $ 1,759,674 | $ 901,757 | $ 0 |  | 4,584,610 | 0 | $ 0 |
Investment in Geneos |  |  |  | $ 434,387 |  |  |  | $ 434,387 | $ 434,387 | $ 0 |  |
Series A-1 Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Investment in Geneos | $ 1,399,999 |  |  |  |  |  |  |  |  |  |  |
Geneos Therapeutics, Inc. |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest, ownership percentage by parent |  | 36.00% | 61.00% |  |  | 47.00% | 52.00% |  |  |  |  |
Percentage of ownership |  |  |  | 47.00% |  |  |  | 47.00% | 47.00% |  |  |
Geneos Therapeutics, Inc. |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire additional interest in subsidiaries |  | $ 1,400,000 | $ 1,200,000 |  |  |  |  |  |  |  |  |
Stock purchase agreement, commitment of additional investment |  |  |  |  |  | $ 800,000 |  |  |  |  |  | $ 800,000
Gain on deconsolidation of Geneos | 4,121,075 |  |  |  |  |  |  |  |  |  |  |
Deconsolidation gain, remeasurement of retained noncontrolling investment to fair value | 2,400,000 |  |  |  |  |  |  |  |  |  |  |
Share in net loss of Geneos |  |  |  |  |  |  |  | $ 4,584,610 |  |  |  |
Investment in Geneos | 3,618,998 |  |  | $ 434,387 |  |  |  | 434,387 | $ 434,387 |  |  |
Geneos Therapeutics, Inc. | Common stock |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Share in net loss of Geneos |  |  |  |  |  |  |  | 819,000 |  |  |  |
Investment in Geneos | $ 819,000 |  |  | 0 |  |  |  | 0 | 0 |  |  |
Geneos Therapeutics, Inc. | Series A-1 Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Share in net loss of Geneos |  |  |  |  |  |  |  | 3,800,000 |  |  |  |
Investment in Geneos |  |  |  | $ 434,000 |  |  |  | $ 434,000 | $ 434,000 |  |  |

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