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Property and Equipment, Net
12 Months Ended
Dec. 31, 2021
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

5.  Property and Equipment, Net

Property and equipment, net consist of the following (in thousands):

 

 

 

December 31,

 

 

 

2021

 

 

2020

 

Laboratory equipment

 

$

2,245

 

 

$

1,916

 

Furniture and office equipment

 

 

520

 

 

 

747

 

Computer equipment

 

 

54

 

 

 

56

 

Software

 

 

139

 

 

 

132

 

Leasehold improvements

 

 

4,393

 

 

 

4,774

 

Property and equipment, gross

 

 

7,351

 

 

 

7,625

 

Less: Accumulated depreciation and amortization

 

 

(2,802

)

 

 

(1,983

)

Property and equipment, net

 

$

4,549

 

 

$

5,642

 

 

Depreciation and amortization expense for the years ended December 31, 2021, 2020, and 2019 was $1.4 million, $1.0 million, and $0.4 million, respectively. All of the Company’s long-lived assets are located in the United States.