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Intangible Assets (Details Narrative)	3 Months Ended
	Mar. 31, 2022 USD ($)
IPR and D Drug Technology Platforms [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	$ 0
IPR and D Drug Technology Platforms [Member] | Ovarian Cancer [Member]
Restructuring Cost and Reserve [Line Items]
Finite-lived intangible assets acquired	13,300,000
EGEN Inc [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill	2,000,000.0
EGEN Inc [Member] | Purchase Agreement [Member]
Restructuring Cost and Reserve [Line Items]
Finite-lived intangible assets acquired	$ 1,600,000
Finite-lived intangible asset, useful life	7 years
Amortization	$ 56,829
EGEN Inc [Member] | Glioblastoma Multiforme Brain Cancer [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	2,000,000.0
Non-cash charge	2,000,000.0
EGEN Inc [Member] | IPR and D Drug Technology Platforms [Member]
Restructuring Cost and Reserve [Line Items]
Indefinite-lived intangible assets acquired	$ 24,200,000

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