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Commitments and Contingencies - Additional Information (Details) - USD ($)
 3 Months Ended
Oct. 09, 2020
Aug. 10, 2020
Mar. 31, 2021
Arctic Vision License Agreement      
Upfront payment received   $ 4,000,000  
Deferred license fees     $ 2,000,000
Maximum additional payments receivable   41,750,000  
Royalty payments earned     0
Bausch License Agreement      
Upfront payment received $ 10,000,000    
Maximum additional payments receivable $ 35,000,000    
Royalty payments earned     0
Milestone payments earned     0
Senju License Agreement [Member]      
Deferred license fees   $ 4,000,000  
Deferred license cost     $ 800,000