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Geneos Therapeutics, Inc. - Investment in Geneos (Details) - USD ($) | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 01, 2020
--- | --- | --- | --- | --- | ---
Noncontrolling Interest [Line Items] |  |  |  |  |
Fair Value | $ 0 |  |  | $ 434,387 |
Geneos Therapeutics, Inc. |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Shares (in shares) |  |  |  |  | 5,113,206
Fair Value | $ 0 | $ 0 | $ 0 |  | $ 3,618,998
Geneos Therapeutics, Inc. | Common |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Shares (in shares) |  |  |  |  | 3,000,000
Price per Share (in USD per share) |  |  |  |  | $ 0.273
Fair Value |  |  | $ 0 |  | $ 819,000
Geneos Therapeutics, Inc. | Preferred |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Shares (in shares) |  |  |  |  | 2,113,206
Price per Share (in USD per share) |  |  |  |  | $ 1.325
Fair Value |  |  |  |  | $ 2,799,998

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