Summary of Significant Accounting Policies - Additional Information (Detail) € in Millions	1 Months Ended		12 Months Ended
	Jan. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2024 EUR (€)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jul. 01, 2013 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses			$ 0				$ 0
Purchase of available-for-sale securities			$ 7,006,000	$ 5,000,000
Percentage of future royalties			1.00%
Loss on purchase commitments | €					€ 55.2
MidCap Credit Facility
Summary Of Significant Accounting Policies [Line Items]
Principal amount							33,300,000
Milestone Rights Liability | Deerfield
Summary Of Significant Accounting Policies [Line Items]
Contingent liability remain payable			$ 800,000				900,000		$ 50,000,000
Contingent liability for milestone payments						$ 5,000,000		$ 5,000,000
Convertible Promissory Note | Thirona Bio, Inc.
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses				$ 900,000			200,000
Purchase of available-for-sale securities	$ 5,000,000	$ 3,000,000
Interest rate		6.00%
Investment securities			6,300,000				6,900,000
Principal amount						$ 8,000,000
Insulin
Summary Of Significant Accounting Policies [Line Items]
Loss on purchase commitments			$ 58,200,000				$ 64,800,000
Tyvaso DPI
Summary Of Significant Accounting Policies [Line Items]
Percentage of royalty on net sales			10.00%
Percentage of royalty on net revenue			10.00%
Percentage of future royalties			9.00%
Minimum | AFREZZA product sales
Summary Of Significant Accounting Policies [Line Items]
Sales return right following product expiration in months			6 months
Maximum | Milestone Rights Liability | Deerfield
Summary Of Significant Accounting Policies [Line Items]
Contingent liability for milestone payments									$ 90,000,000.0
Maximum | AFREZZA product sales
Summary Of Significant Accounting Policies [Line Items]
Sales return right following product expiration in months			12 months