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Collaboration Agreements, License Agreement and Revenues - Eluminex Agreement - Additional Information 2 (Detail) - Eluminex [Member] - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended
Jul. 31, 2021
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Mar. 31, 2022
Sep. 30, 2024
Dec. 31, 2023
Apr. 30, 2023
Revenue Recognition, Milestone Method [Line Items]                
Aggregate consideration received for milestone and upfront payments $ 8.0         $ 4.0 $ 4.0  
Future manufacturing clinical regulatory and commercial milestone payments 64.0              
Commercial milestone $ 36.0              
Additional upfront payments               $ 1.5
Upfront payment   $ 0.5 $ 1.0          
Cornea Products [Member]                
Revenue Recognition, Milestone Method [Line Items]                
Percentage of product manufacturing costs until manufacturing technology fully transferred         10.00%      
China [Member] | Biosynthetic Cornea [Member]                
Revenue Recognition, Milestone Method [Line Items]                
Milestone Payments       $ 3.0        
Manufacturing related milestone payments       $ 3.0