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Commitments and Contingencies - Additional Information (Detail)
¥ in Millions
 1 Months Ended 6 Months Ended
May 31, 2024
CNY (¥)
Jun. 30, 2025
USD ($)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2024
USD ($)
Commitments And Contingencies Disclosure [Line Items]        
Purchase of property and equipment   $ 378,000   $ 1,687,000
Property and Equipment        
Commitments And Contingencies Disclosure [Line Items]        
Purchase of property and equipment   4,000,000    
Research and Development        
Commitments And Contingencies Disclosure [Line Items]        
Committed to allocate   $ 22,000,000    
Etorel IP Rights        
Commitments And Contingencies Disclosure [Line Items]        
Contingent royalty minimum payment | ¥ ¥ 35.0      
Contingent royalty payment description   The contingent payment in the first year will be 5% of sales for that year minus RMB 10 million, or approximately $1.4 million, based on the June 30, 2025 spot exchange rate. The contingent payment in the second year will be 4% of sales for that year minus RMB 10 million, or approximately $1.4 million, based on the June 30, 2025 spot exchange rate. The contingent payments in the third year through the eighth year will be 3%, 2%, 2%, 1%, 1%, and 1% of sales in each year, respectively. The contingent payment in the first year will be 5% of sales for that year minus RMB 10 million, or approximately $1.4 million, based on the June 30, 2025 spot exchange rate. The contingent payment in the second year will be 4% of sales for that year minus RMB 10 million, or approximately $1.4 million, based on the June 30, 2025 spot exchange rate. The contingent payments in the third year through the eighth year will be 3%, 2%, 2%, 1%, 1%, and 1% of sales in each year, respectively.  
Contingent royalty payment sales for first year | ¥     ¥ 10.0  
Contingent royalty payment sales for second year | ¥     ¥ 10.0  
Contingent royalty payment sales spot exchange rate for first year   $ 1,400,000    
Contingent royalty payment sales spot exchange rate for second year   $ 1,400,000    
Contingent royalty payment percentage of sale for first year   5.00%    
Contingent royalty payment percentage of sale for second year   4.00%    
Contingent royalty payments percentage of sale for third year   3.00%    
Contingent royalty payments percentage of sale for fourth year   2.00%    
Contingent royalty payments percentage of sale for fifth year   2.00%    
Contingent royalty payments percentage of sale for sixth year   1.00%    
Contingent royalty payments percentage of sale for seventh year   1.00%    
Contingent royalty payments percentage of sale for eighth year   1.00%    
Minimum payments based on spot exchange rate   $ 4,900,000    
Hydronidone | GNI        
Commitments And Contingencies Disclosure [Line Items]        
Committed to allocate   12,700,000    
Hydronidone | Gyre Pharmaceuticals        
Commitments And Contingencies Disclosure [Line Items]        
Payments for exchange of intellectual property rights   0    
Hydronidone | Gyre Pharmaceuticals | Submission of the New Drug Application        
Commitments And Contingencies Disclosure [Line Items]        
Obligation to pay in exchange for the intellectual property rights   4,600,000    
Hydronidone | Gyre Pharmaceuticals | NDA Passes the NMPA's Review and Inspection        
Commitments And Contingencies Disclosure [Line Items]        
Obligation to pay in exchange for the intellectual property rights   1,200,000    
Hydronidone | Gyre Pharmaceuticals | NMPA's Approval of the NDA        
Commitments And Contingencies Disclosure [Line Items]        
Obligation to pay in exchange for the intellectual property rights   $ 6,900,000