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Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 3 Months Ended 6 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
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2025
USD ($)
Segment
shares
Jun. 30, 2024
USD ($)
shares
Dec. 31, 2024
USD ($)
Jul. 11, 2025
USD ($)
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        
Potential equivalent common stock excluded | shares           2,200,000 5,200,000 2,500,000 5,200,000      
Number of operating segments | Segment               1        
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    
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.        
Common Stock [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Shares repurchased | shares           0 0 0 0      
Share Purchase Program [Member] | Common Stock [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Shares repurchased | shares           0 0 0 0      
Share repurchase program, authorized | $                       $ 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 | $           $ 3,700,000 $ 1,200,000 $ 6,300,000 $ 5,100,000      
Minimum [Member] | Furniture and Equipment [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Useful life of assets           5 years   5 years        
Minimum [Member] | Computer Equipment [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Useful life of assets           3 years   3 years        
Minimum [Member] | Leasehold Improvements [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Useful life of assets           5 years   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   7 years        
Maximum [Member] | Computer Equipment [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Useful life of assets           5 years   5 years        
Maximum [Member] | Leasehold Improvements [Member]                        
Summary Of Basis Of Presentation And Significant Accounting Policies [Line Items]                        
Useful life of assets           10 years   10 years