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Property and Equipment
6 Months Ended
Jun. 30, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment
6. Property and Equipment
Property and equipment consists of the following (in thousands):
 
    
June 30,
    
December 31,
 
    
2023
    
2022
 
Laboratory equipment
   $ 6,263      $ 6,001  
Computer equipment and software
     702        697  
Leasehold improvements
     61        57  
Furniture and fixtures
     453        453  
Office equipment
     196        192  
Construction in process
     492        599  
  
 
 
    
 
 
 
Total property and equipment
     8,167        7,999  
Less: Accumulated depreciation
     (5,574      (5,205
  
 
 
    
 
 
 
Property and equipment, net
   $ 2,593      $ 2,794  
  
 
 
    
 
 
 
Depreciation expense was $0.2 million for each of the three months ended June 30, 2023 and 2022 and $0.4 million and $0.3 million for the six months ended June 30, 2023 and 2022, respectively.