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Collaboration, Licensing and Other Arrangements - Additional Information (Detail 1) - USD ($)
$ in Millions
Sep. 30, 2021
May 31, 2018
Co-Promotion Agreement | Vertice Pharma LLC    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]    
Allocation $ 6.3  
Co-Promotion Agreement | Vertice Pharma LLC | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]    
Deferred revenue recognition period 2 years  
License and Distribution Agreement | Cipla Ltd | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2018-06-01    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]    
Deferred revenue recognition period   15 years
Allocation   $ 2.2