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Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 12 Months Ended 36 Months Ended
Jul. 11, 2025
USD ($)
Jul. 11, 2024
USD ($)
Jul. 11, 2023
USD ($)
Jul. 11, 2022
USD ($)
Jul. 31, 2023
shares
Dec. 31, 2024
USD ($)
Segment
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Jul. 11, 2025
USD ($)
Mar. 31, 2021
USD ($)
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Maximum maturity period of cash and cash equivalent           three months        
Maximum amortization period of compensation cost on straight line basis           3 years        
Stock option exercise price range, Minimum | $ / shares           $ 1.13 $ 0.79 $ 0.79    
Stock option exercise price range, Maximum | $ / shares           $ 14.23 $ 7.1 $ 7.07    
Potential equivalent common stock excluded | shares           6,700,000 4,500,000 1,000,000    
Number of operating segments | Segment           1        
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]           President and Chief Executive Officer [Member]        
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description           The CODM uses consolidated operating margin (operating income divided by product revenue, net) and net income to assess financial performance and allocate resources.        
Asset acquisition equity interests issued or issuable number of shares issued | shares         1,414,688          
Asset acquisition percentage of outstanding ordinary shares         11.26%          
Allowance for expected credit losses, written off           $ 0 $ 0      
Share Purchase Program [Member] | Common Stock [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Share repurchase program, authorised                   $ 40,000,000
License Agreement For RUZURGI [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Minimum royalty $ 3,000,000 $ 3,000,000 $ 3,000,000 $ 3,000,000         $ 3,000,000  
Selling, General and Administrative Expenses [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Advertising expense           $ 10,000,000 $ 9,100,000 $ 3,300,000    
Minimum [Member] | Furniture and Equipment [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Useful life of assets           5 years        
Minimum [Member] | Computer Equipment [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Useful life of assets           3 years        
Minimum [Member] | Leasehold Improvements [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Useful life of assets           5 years        
Maximum [Member] | Furniture and Equipment [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Useful life of assets           7 years        
Maximum [Member] | Computer Equipment [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Useful life of assets           5 years        
Maximum [Member] | Leasehold Improvements [Member]                    
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                    
Useful life of assets           10 years