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Geneos Therapeutics, Inc. - Investment In Geneos (Details) - USD ($)
Sep. 30, 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   $ 3,618,998
Geneos Therapeutics, Inc. | Common stock          
Noncontrolling Interest [Line Items]          
Shares (in shares)         3,000,000
Price per Share (in dollars per share)         $ 0.273
Fair Value   $ 0     $ 819,000
Geneos Therapeutics, Inc. | Preferred stock          
Noncontrolling Interest [Line Items]          
Shares (in shares)         2,113,206
Price per Share (in dollars per share)         $ 1.325
Fair Value   $ 0     $ 2,799,998