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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	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 28, 2021	Jun. 30, 2020	Jan. 31, 2020	Jan. 01, 2020
Noncontrolling Interest [Line Items]
Payments to acquire additional interest in subsidiaries			$ 1,999,998	$ 0
Share of net loss in Geneos			$ 2,165,213	434,387
Geneos Therapeutics, Inc.
Noncontrolling Interest [Line Items]
Noncontrolling interest, ownership percentage by parent		36.00%	24.00%			61.00%	35.00%			52.00%
Ownership percentage								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 investment	$ 4,100,000
Loss from equity method investment, recorded and allocated to investment				(1,500,000)
Remeasurement of Geneos Series A-1 preferred stock	$ 2,400,000
Share of net loss in Geneos			$ 434,000
Investment in equity method investments			0	0
Geneos Therapeutics, Inc. | Series A One Preferred Stock
Noncontrolling Interest [Line Items]
Share of net loss in Geneos					$ 819,000
Geneos Therapeutics, Inc. | Common stock
Noncontrolling Interest [Line Items]
Investment in equity method investments				0
Geneos Therapeutics, Inc. | Preferred stock
Noncontrolling Interest [Line Items]
Share of net loss in Geneos					$ 4,200,000
Investment in equity method investments			$ (2,000,000)	$ 0

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