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Property and Equipment, Net
9 Months Ended
Sep. 30, 2021
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

4. Property and Equipment, Net

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

 

 

 

September 30, 2021

 

 

December 31, 2020

 

Assets under construction

 

$

1,741

 

 

$

1,154

 

IT equipment

 

 

73

 

 

 

 

Leasehold improvements

 

 

13

 

 

 

 

Lab equipment

 

 

5,085

 

 

 

4,708

 

Office furniture

 

 

63

 

 

 

64

 

Total property and equipment

 

$

6,975

 

 

$

5,926

 

Less—accumulated depreciation

 

 

(2,533

)

 

 

(2,352

)

Property and equipment, net

 

$

4,442

 

 

$

3,574

 

 

Depreciation expense was $0.2 million for the three months ended September 30, 2021 and 2020, and was $0.6 million for the nine months ended September 30, 2021 and 2020.