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Nature of Operations and Liquidity - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Organization And Nature Of Operations [Line Items]                    
Net Income (Loss) $ 5,936 $ 1,576 $ 3,734 $ 2,856 $ 4,538 $ 9,935   $ 11,200    
Net cash provided by operating activities               6,635 $ (883)  
Accumulated deficit 66,703             66,703   $ 73,453
Cash and cash equivalents $ 40,402             $ 40,402   $ 11,813
Gyre | Gyre Pharmaceuticals                    
Organization And Nature Of Operations [Line Items]                    
Minority interest ownership indirectly holds 69.70%           65.20% 69.70%