v3.24.1.1.u2
Property, Plant, and Equipment
 3 Months Ended
Mar. 31, 2024
Property, Plant, and Equipment  
Property, Plant, and Equipment

4. Property, Plant, and Equipment

Property, plant and equipment consisted of the following:

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March 31, 

    

December 31, 

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​

2024

​

2023

Lab and build-to-suit equipment

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$

6,756

​

$

6,834

Office equipment

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19

​

 

19

Furniture and fixtures

​

 

241

​

 

241

Computer equipment

​

 

487

​

 

487

Leasehold improvements

​

 

11,374

​

 

11,409

Construction-in-progress

​

 

1,966

​

 

804

Total property, plant and equipment

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20,843

​

 

19,794

Accumulated depreciation and amortization

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(15,267)

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(15,314)

Property, plant and equipment, net

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$

5,576

​

$

4,480

​

We recorded depreciation and amortization expense related to property, plant and equipment of $0.2 million and $0.3 million for the three months ended March 31, 2024 and 2023, respectively.