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Related Party Transactions (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 30, 2016	Mar. 31, 2016	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Related-Party Transactions (Textual) [Abstract]
Revenue from related parties			$ 291,698	$ 236,178	$ 935,643	$ 1,830,639
Director
Related-Party Transactions (Textual) [Abstract]
Accounts receivable			2,100,000		2,100,000		$ 425,000
Expenses to reimburse		$ 3,100,000			$ 1,900,000
Term		5 years			2 years
Awarded amount	$ 6,100,000
Contra-research and development expense			1,500,000	1,000,000	$ 2,100,000	1,700,000
Operating expenses related to affiliated entity			914,000	411,000	2,500,000	1,200,000
Accounts payable/accrued liabilities			492,000		492,000		643,000
Deferred grant funding, from affiliate			69,000		69,000
The Wistar Institute
Related-Party Transactions (Textual) [Abstract]
Awarded amount							10,700,000
Awarded option amount							6,000,000
Plumbline Life Sciences
Related-Party Transactions (Textual) [Abstract]
Revenue from related parties			95,000	$ 83,000	220,000	$ 1,300,000
Accounts receivable			$ 139,000		$ 139,000		$ 67,000
Plumbline Life Sciences | Available-for-sale Securities
Related-Party Transactions (Textual) [Abstract]
Investment owned (in shares)			597,808		597,808
Ownership percentage			19.70%		19.70%

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