v3.25.3
PROPERTY, PLANT AND EQUIPMENT
9 Months Ended
Sep. 30, 2025
PROPERTY, PLANT AND EQUIPMENT  
PROPERTY, PLANT AND EQUIPMENT

4.    PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

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September 30, 

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December 31, 

(in thousands)

    

2025

​

2024

Plant and equipment

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$

1,777

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$

1,562

Furniture and fixtures

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113

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106

Computer hardware and software

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106

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98

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1,996

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1,766

Less: Accumulated depreciation

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(1,775)

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(1,497)

Property, plant and equipment, net

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$

221

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$

269

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Depreciation expense was $170.6 thousand and $194.4 thousand for the nine months ended September 30, 2025 and 2024, respectively and is classified as research and development expense.