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Note 5 - Property, Plant and Equipment
 9 Months Ended
Sep. 30, 2024
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

5. PROPERTY, PLANT AND EQUIPMENT

 

The Company’s property, plant and equipment at September 30, 2024 and  December 31, 2023 consisted of the following (in thousands):

 

   

September 30,

    

December 31,

  
   

2024

    

2023

  

Liquefaction plants and systems

   $ 55,932     $ 48,523  

Real property and buildings

     2,066       2,066  

Vehicles and tanker trailers and equipment

     49,504       49,689  

Computer and office equipment

     545       458  

Construction in progress

     8,058       9,879  

Leasehold improvements

     32       31  
      116,137       110,646  

Less: accumulated depreciation

     (63,727 )     (61,167 )
    $ 52,410     $ 49,479  

 

Depreciation expense totaled $1.8 million and $2.0 million for the three months ended  September 30, 2024 and September 30, 2023, respectively. Depreciation expense totaled $5.3 million and $6.0 million for the nine months ended September 30, 2024 and 2023, respectively, all of which is included in the Condensed Consolidated Statements of Operations as a separate line item.