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+ Details

Collaboration and License Agreements - Visirna Therapeutics, Inc. (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenue	$ 0	$ 146,267	$ 3,551	$ 208,813
Deferred revenue	0		0		$ 866
Visirna Therapeutics, Inc. \| Visirna License Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenue	100	$ 900
Contract assets	0		0
Deferred revenue	$ 0		$ 0