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Description of Business - Additional Information (Detail)
1 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2024
USD ($)
Segment
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of operating segment | Segment   1
Intra-entity sales or transfers | $   $ 0
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]   srt:ChiefExecutiveOfficerMember, srt:ChiefFinancialOfficerMember
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description   The key metric utilized by the CODM to assess resource allocation and performance is the Company’s segment net income (loss), which is the same as the consolidated net income (loss) reported in the consolidated statements of operations. The CODM also analyzes the Company's consolidated net income (loss) to evaluate its return on segment assets and to establish budgets and forecasts. The table below shows the details of the Company’s segment revenues and significant expense categories regularly provided to and reviewed by the CODM and other significant segment items included in consolidated net income (loss) in the consolidated statements of operations:
Sagard    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Percentage of royalty on net sales   1.00%
Percentage of royalty on future net sales 1.00%  
Tyvaso DPI    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Percentage of royalty on net sales   10.00%
Percentage of royalty on future net sales   9.00%