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Related Party Transactions (Details) - USD ($)	1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 31, 2024	Dec. 31, 2022	Mar. 31, 2016	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2023
Related Party Transaction [Line Items]
Research and development expenses				$ 18,733,584	$ 15,503,032	$ 62,734,891	$ 69,423,513
Accounts receivable				1,862,739		1,862,739				$ 2,405,228
The Wistar Institute
Related Party Transaction [Line Items]
Collaborative agreement, amended amount								$ 13,600,000
Affiliated Entity
Related Party Transaction [Line Items]
Expenses to reimburse			$ 3,100,000
Collaborative arrangement, term (in years)			5 years
Contra-research and development expense				153,000	316,000	302,000	705,000
Affiliated Entity | The Wistar Institute
Related Party Transaction [Line Items]
Awarded amount		$ 1,200,000				2,400,000			$ 10,700,000
Collaborative agreement, amended amount	$ 12,500,000
Awarded option amount						4,200,000
Research and development expenses				296,000	$ 407,000	1,300,000	$ 1,300,000
Accounts receivable				1,900,000		1,900,000				2,400,000
Accounts payable and accrued liabilities, current				1,800,000		1,800,000				1,100,000
Deferred grant funding, from affiliate				$ 0		$ 0				$ 22,000
Plumbline Life Sciences
Related Party Transaction [Line Items]
Investment owned (in shares)				597,808		597,808
Non-controlling interest (in percent)				17.80%		17.80%

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