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Collaboration and License Agreements - Visirna Therapeutics, Inc. (Details) - USD ($)	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenue	$ 3,551,000	$ 62,546,000
Deferred revenue	0		$ 866,000
Visirna Therapeutics, Inc. | Visirna License Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenue	85,989	$ 749,262
Contract assets	0
Deferred revenue	$ 0

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