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Fair Values of Financial Instruments - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Investment securities, available for sale	$ 15,000,045
Earn-out milestone liability	7,169,000	7,018,000
Corporate Debt Securities [Member]
Investment securities, available for sale	15,000,045
Fair Value, Measurements, Recurring [Member]
Earn-out milestone liability	7,169,000	7,018,000
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member]
Earn-out milestone liability
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Earn-out milestone liability
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Earn-out milestone liability	7,169,000	7,018,000
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
Investment securities, available for sale	15,000,045
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member]
Investment securities, available for sale
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Investment securities, available for sale	15,000,045
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Investment securities, available for sale
Fair Value, Measurements, Non Recurring [Member] | In-process R&D [Member]
Investment securities, available for sale	13,366,234	13,366,234
Fair Value, Measurements, Non Recurring [Member] | In-process R&D [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member]
Investment securities, available for sale
Fair Value, Measurements, Non Recurring [Member] | In-process R&D [Member] | Significant Other Observable Inputs (Level 2) [Member]
Investment securities, available for sale
Fair Value, Measurements, Non Recurring [Member] | In-process R&D [Member] | Significant Unobservable Inputs (Level 3) [Member]
Investment securities, available for sale	$ 13,366,234	$ 13,366,234

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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