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Commitments and Contingencies (Details)
Aug. 04, 2021
USD ($)
item
Sep. 30, 2021
USD ($)
Loss Contingencies [Line Items]    
Number Of Business Days 2  
Zealand Pharma    
Loss Contingencies [Line Items]    
Loss contingency accrual   $ 0
Zealand Pharma | Arbitration Resolution Agreement    
Loss Contingencies [Line Items]    
Additional milestone payment $ 1,500,000  
Litigation Settlement, Collaborative Arrangement Milestone Payment Reduction Percentage 50.00%  
Percentage of reduction in royalty payable 50.00%  
Percentage of sales milestone reductions 50.00%  
Future development milestone payable $ 2,750,000  
Registration proposal payable 1,000,000.0  
Commercial launch expenses $ 1,750,000  
Number of geographic territories | item 3  
Zealand Pharma | Arbitration Resolution Agreement | Phase 2 clinical trial    
Loss Contingencies [Line Items]    
Milestone payment $ 1,000,000.0  
Zealand Pharma | Arbitration Resolution Agreement | Phase 3 clinical trial    
Loss Contingencies [Line Items]    
Milestone payment $ 1,500,000