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COLLABORATION AND LICENSE AGREEMENTS - Additional Information (Detail) - USD ($)
6 Months Ended
Apr. 30, 2023
Feb. 01, 2023
Mar. 18, 2022
Feb. 01, 2022
Mar. 29, 2021
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Mar. 01, 2022
Mar. 31, 2021
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Common stock shares issued (in shares)           70,602,793   70,466,885    
Common stock, par value (in dollars per share)           $ 0.001   $ 0.001    
Unrealized gain (loss) on equity securities           $ 847,995 $ (348,812)      
Collaborative Arrangement, Co-promotion | Takeda Pharmaceutical Company Limited                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Upfront payment under royalty and termination agreement         $ 196,000,000          
Aggregate milestone payments         $ 660,000,000          
Additional payment on sales percentage (up to)         20.00%          
Up-front fee           196,000,000        
Collaborative Arrangement, Co-promotion | Takeda Pharmaceutical Company Limited | Related Party                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Related party transaction expenses recognized           $ 0        
Healx License and Option Agreement                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Upfront payment       $ 500,000            
Development and commercial milestone payments       $ 2,000,000            
Granted option extension period   4 months                
Percentage of development costs           50.00%        
Total revenue           $ 0 500,000      
Marinus License Agreement | Marinus Pharmaceuticals, Inc                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Common stock shares issued (in shares)                 123,255  
Common stock, par value (in dollars per share)                 $ 0.001  
Takeda Pharmaceutical Company Limited | Collaborative Arrangement, Co-promotion                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Agreement ownership share                   50.00%
Marinus Pharmaceuticals, Inc | Marinus License Agreement                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Unrealized gain (loss) on equity securities           $ 800,000 $ (300,000)      
Marinus Pharmaceuticals, Inc | Patent License Agreement                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Total revenue     $ 900,000              
Graviton Bioscience Corporation | Series A Convertible Preferred Stock                    
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                    
Purchase of preferred stock $ 10,000,000