v3.25.4
Stock-Based Compensation - Stock based compensation expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Stock based compensation expense    
Total stock-based compensation expense $ 2,986 $ 6,335
Research and development    
Stock based compensation expense    
Total stock-based compensation expense 1,345 2,756
General and administrative    
Stock based compensation expense    
Total stock-based compensation expense $ 1,641 $ 3,579