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Commitments and Contingencies (Details) - USD ($)
$ in Millions
3 Months Ended
May 30, 2018
Jun. 30, 2022
Jun. 30, 2021
Mar. 31, 2022
Takeda Commercial Supply Agreement        
Supply Commitment [Line Items]        
Agreement term after first commercial sale   10 years    
Agreement term 5 years      
Automatic renewal term   1 year    
Termination notice term   12 months    
Termination notice term, uncured material breach   90 days    
Termination notice term, open purchase orders filed   180 days    
Takeda License Agreement        
Supply Commitment [Line Items]        
Royalty expense   $ 3.1 $ 0.9  
Royalties payable   $ 3.1   $ 2.5