v3.26.1
Property, Plant and Equipment
3 Months Ended
Mar. 31, 2026
Property, Plant and Equipment  
Property, Plant and Equipment

7. Property, Plant and Equipment

Property, plant and equipment consist of the following at March 31, 2026 and December 31, 2025 (in thousands):

  ​ ​ ​

March 31, 

  ​ ​ ​

December 31, 

  ​ ​ ​

Estimated

2026

2025

Useful Life

Leasehold improvements

$

18,915

$

19,079

 

Lesser of lease term or estimated useful life

Office furniture and equipment

 

604

 

604

 

3-5 years

Computer and manufacturing equipment and software

 

5,307

 

5,311

 

3-5 years

Land in the United Kingdom

 

90

 

91

 

NA

 

24,916

 

25,085

 

NA

Less: accumulated depreciation

 

(8,145)

 

(7,679)

 

  ​

Total property, plant and equipment, net

$

16,771

$

17,406

 

  ​

Depreciation expense was approximately $0.6 million and $0.4 million for the three months ended March 31, 2026, and 2025, respectively.