v3.26.1
Segment Reporting - Summary of Research and Development Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
External costs    
Other clinical related expenses $ 784 $ 2,487
Preclinical activities related expenses 69 1,956
Expenses related to manufacturing of clinical and research material 819 848
Other external costs 682 2,572
Internal costs:    
Personnel-related expenses (including stock-based compensation) 3,364 7,827
Facilities and other allocated expenses 374 2,109
Total research and development expenses 9,120 22,897
COVALENT - 101    
External costs    
Clinical research organization expenses   1,001
COVALENT - 102    
External costs    
Clinical research organization expenses   614
COVALENT - 103    
External costs    
Clinical research organization expenses 298 739
COVALENT - 111    
External costs    
Clinical research organization expenses   2,242
COVALENT - 112    
External costs    
Clinical research organization expenses   $ 502
COVALENT - 211    
External costs    
Clinical research organization expenses 743  
COVALENT - 212    
External costs    
Clinical research organization expenses 562  
GLP - 131    
External costs    
Clinical research organization expenses $ 1,425